Trucking Glossary

Common Glossary in the Trucking Industry 

Welcome to our handy trucking glossary. It will take you through all the basic terminology and slang you need to know.
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3PL (Third-Party Logistics) – A service that allows businesses to outsource elements of their distribution, warehousing, and fulfillment services.

5th Wheel – The coupling device used on a semi-truck to attach it to the trailer.

8-2 Split – A sleeper berth provision allowing drivers to split their required 10 hours off duty into two periods: an 8-hour period in the sleeper berth and a separate 2-hour period either off duty or in the sleeper berth.

10-4 – CB radio slang for Acknowledged or Understood.

11-Hour Rule – A U.S. federal regulation allowing truck drivers to drive up to 11 hours within a 14-hour workday, followed by 10 consecutive hours of rest.

14-Hour Rule – A regulation stating that once a truck driver starts a shift, they have 14 hours in which they are allowed to drive 11 hours before they must take 10 consecutive hours off.

18-Wheeler: A common term for a semi-truck, referencing its total number of wheels.

34-Hour Restart – A regulation allowing drivers to reset their 60/70-hour clock by taking 34 consecutive hours off duty.

48 or All 48 States – Refers to the 48 contiguous U.S. states located on the North American continent south of the U.S. border with Canada.

53-Footer – Refers to a trailer that is 53 feet in length, the standard maximum for trailers on many U.S. highways.

Accounting – the department responsible for handling all the financials in the brokerage or trucking company. 

Additional Charges – Accessorial or additional charges are fees added to the base rate of freight transport. They are incurred for additional services or requirements that go beyond standard pickup and delivery.

Additional Stop – Refers to any stop that a truck makes beyond the initial pickup and final delivery points. Might be required for various reasons, including picking up or delivering freight to multiple locations

Alligator – A piece of a tire on the road, usually a recap from a blown tire, which looks somewhat like an alligator’s back. It can be dangerous if hit or run over.

APU (Auxiliary Power Unit) – A unit that provides power to the truck’s cab and sometimes the main engine, allowing drivers to use heating, air conditioning, and other comforts without idling the main engine.

Appointment – Refers to a scheduled time for either picking up or delivering freight at a specific location.

Authority – The government-issued right for a trucker or trucking company to transport freight over public highways. It indicates that the carrier has insurance and meets all regulations for operation.

Axle Weight – The weight of the truck transmitted to the ground by one axle (front or rear). It’s important for compliance with state and federal regulations regarding maximum load weight.

Air Ride Suspension – A suspension system that uses air bags to provide a smooth ride. It’s particularly useful for transporting fragile or sensitive cargo.

ATA (American Trucking Associations) – A large trade association for the trucking industry that represents truck drivers, carriers, and other related entities within the industry.

Automatic Transmission – A type of transmission in trucks that automatically shifts gears, reducing driver fatigue and often improving fuel efficiency.

Anchor Points – Specific locations on a trailer or cargo where chains, straps, or other securing devices are attached to prevent cargo from shifting during transport.

ABS (Anti-lock Braking System) – A safety system that prevents the wheels from locking up during braking, allowing the driver to maintain steering control during an emergency stop.

Ace – A term used to describe a driver who is exceptionally skilled or competent.

Air Lines – Hoses that connect a tractor to its trailer for the purpose of supplying air to the trailer’s brake system.

Anchor Load – A very heavy load that secures itself due to its weight, requiring minimal tie-downs.

Anteater – Slang for a Kenworth T600 truck, referring to its aerodynamic shape and extended front end that looks somewhat like an anteater’s snout.

Apple Parking – Slang for parking at an Applebee’s restaurant, often used when truckers park their rigs nearby to grab a meal.

ASAP – As soon as possible.

Asphalt Cowboy – A trucker who primarily drives on paved roads as opposed to off-road or in rough terrain.

ATL (Above The Line) – Expenses or income that are part of the core operations of a trucking business.

Axle Grease – Slang for money, implying its necessity for keeping the wheels turning and the business moving.

Air Dump – A switch that allows the driver to quickly lower the air suspension, usually to facilitate loading or unloading.

Armored Cow – Humorous slang for a cattle hauler’s truck.

Authority Line – The legal name or information under which a trucking company operates, as authorized by the Federal Motor Carrier Safety Administration (FMCSA).

Authorization Letter – A document that grants a carrier or driver permission to transport cargo on behalf of a company or individual.

Axle Add-on – An additional axle installed on a truck to increase its load-carrying capacity.

Ag Hauler – A trucker specialized in transporting agricultural products.

Air Freight – Cargo that is transported via an air carrier, but can also refer to the fast transportation of freight by trucking companies offering expedited services.

Alignment – The adjustment of a vehicle’s suspension, which is the system that connects a vehicle to its wheels.

Adjustable Fifth Wheel – A fifth wheel that can be moved forward or backward to adjust the weight distribution and handling of the load.

Annual Overhaul – General maintenance check that occurs once a year, where major components of the truck are inspected and serviced to prevent breakdowns.

Background Check – As a truck driver, especially if you transport hazardous materials, you’re likely to encounter the Transportation Security Administration’s (TSA) security threat assessment background check.

Backhaul – A return load or trip, where the trucker picks up a load for the return journey to the original departure point, often at a reduced rate.

Bobtail – Driving the tractor without a trailer attached.

Breaker – A term used on CB radios to indicate that someone wants to start a conversation.

Bridge Law – Regulations that determine the maximum weight that can be carried on a truck’s axles over a specific distance, to prevent damage to bridges.

Bulkhead – A barrier placed in a trailer to separate or secure cargo loads.

Bunk – The sleeping compartment behind the truck’s cab.

Belly Dump – A type of trailer that unloads its cargo through the bottom.

Big Rig – Another term for semi truck. 

Big Road – Slang for the interstate or a major highway.

Blind Side – The right side of the truck, which is harder for the driver to see, making it more challenging to maneuver or change lanes.

Blind Shipment – Freight shipping arrangement where the shipper or the receiver of the freight does not have access to the other’s contact information, typically the address and the identity.

Block and Brace – Refers to the methods and materials used to secure cargo within a trailer or container to prevent movement during transit. 

Broker – An individual or company that arranges for the transportation of cargo, without owning any trucks.

Bill of Lading (BOL) – A legal document between the shipper and carrier detailing the type, quantity, and destination of the freight being carried.

Bear – CB slang for a police officer, particularly highway patrol.

Bear Bait – A speeding vehicle that attracts police attention away from truckers.

Bear Cave – Slang for a police station or highway patrol headquarters.

Bear in the Air – Police surveillance from a helicopter or airplane.

Bumper Sticker – A vehicle that’s driving too closely behind a truck.

Black Ice – A thin, nearly invisible layer of ice on the road surface that can cause hazardous driving conditions.

Brake Check – A sudden application of brakes by a vehicle in front, requiring others to brake rapidly. Also used to describe a spot check of a truck’s brake system by authorities.

Bogie – The assembly of wheels and axles on a trailer.

Box Truck – A truck with a cuboid-shaped cargo area, smaller than a semi truck.

Bulldog – Slang for a Mack truck, referencing the bulldog hood ornament.

Back Door – The position behind a truck or a convoy of trucks on the highway.

Back Out – To decrease speed or prepare to stop.

Bridge Formula – A formula used to determine the appropriate load limit for a vehicle based on its axle length, ensuring the protection of bridges and roadways from heavy trucks.

Ballast – Additional weight added to a truck for traction or to meet minimum weight requirements for certain roads.

Blowout – A sudden bursting of a tire while the vehicle is in motion.

Bobtailing – Operating a tractor without a trailer attached. Similar to “Bobtail,” but often used specifically to describe the act of driving in this manner.

Bogie Weight – The total weight of the drive and trailer axles of a truck.

Brake Fade – A reduction in the braking power of a vehicle, often caused by overheating of the brakes during prolonged use.

Cab-Over Engine (COE): A type of truck design where the cab sits over the engine, allowing for a shorter overall length. This is advantageous in urban settings for ease of maneuverability.

Cargo – Freight or goods contained in the shipment. 

Carrier – The company that transports freight – trucking company.

Cartage – The process of transporting freight over a short distance, typically within a local area or city.

CB Radio (Citizens Band Radio) – A radio system used by truckers for communication on the road.

Chicken Coop – Slang for a weigh station, where trucks are inspected and weighed.

Chicken Lights – Extra lights on a truck or trailer for decoration and visibility.

Chock – A wedge placed under the wheel of a trailer or truck to prevent it from moving.

City Kitty – Slang for a city police officer.

Comdata Card – A card used by truckers for fuel purchases and cash advances.

Commodity – Another term for freight.

Commercial Motor Vehicle (CMV) – Defined by the FMCSA as a vehicle used in commerce to transport passengers or cargo, such as semi trucks and buses.

Company Driver – Also known as fleet driver is an employee of the trucking company.

Compliance – Involves fulfilling the obligations set forth by the DOT and its sub-agency, the Federal Motor Carrier Safety Administration (FMCSA).

Conestoga Trailer – Is a type of semi-trailer characterized by a flexible, retractable tarp system that covers the load.

Consignee – The recipient of the shipped cargo.

Consignor – The sender of the shipped freight.

Container – A large standard-sized metal box used for transporting cargo.

Convoy – A group of trucks traveling together.

Covered Wagon – A flatbed trailer with sides and a tarpaulin cover.

Cradle – The part of the trailer that supports the neck of a container or machinery during transport.

Creeper Gear – The lowest gear in a truck, allowing it to move very slowly for maneuvers like parking or navigating tight spaces.

Cross-Docking – Moving cargo directly from one truck to another without storing it in a warehouse in between.

Cubing Out – Filling the trailer by volume before reaching the weight limit.

Curb Weight – The weight of an empty vehicle or trailer, including all standard equipment and full fluids.

Curtainside – A type of trailer with flexible sides (curtains) that can be opened for easy loading and unloading.

Cut Off – Being passed closely by another vehicle, forcing the need to slow down or change lanes.

Cutback – A maneuver where a driver quickly changes lanes in front of another vehicle after overtaking it.

Cycle (HOS) – Set period during which a truck driver can work before needing to take a mandatory rest period or reset.

C.B. Handle – A trucker’s nickname or call sign used over the CB radio.

Chain Up – Putting chains on tires for better traction in snow or ice conditions.

Checkerboard – A pattern of loading freight on a trailer to distribute weight evenly.

Cheese Wagon – Slang for a school bus, but sometimes used humorously to refer to a brightly colored truck.

Cherry Picker – A type of truck with a boom and bucket used for lifting a person to a high place.

Chrome Shop – A store that sells decorative accessories for trucks.

Circuitous Route – A longer route taken to avoid tolls, traffic, or other obstacles.

CDL Class A – A commercial driver’s license that allows the holder to operate vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more.

Clean Bill of Lading – A document stating that the freight was received in good condition.

Deadhead: Driving with an empty trailer. This usually happens after a driver has delivered a load and is traveling to pick up another load.

Detention Time – The time a driver waits at a shipper or receiver beyond the scheduled appointment time, often unpaid.

Dedicated Route – Dedicated contract carriage or dedicated trucking refers to a transportation arrangement in which a carrier provides long-term shipping services to a single client, known as the shipper.

Diesel Doctor – A mechanic specializing in diesel engines.

Dock – The platform where trucks are loaded and unloaded.

Department of Transportation (DOT): A federal government department responsible for regulating all aspects of transportation in the United States, including the trucking industry.

DOT Number: A unique identifier issued by the DOT to a commercial vehicle operator. It’s used for safety monitoring and compliance.

Double Drop – A type of trailer designed to haul oversized or tall freight by dropping the deck low between the wheels.

Double Nickel – Slang for 55 mph, referring to older national speed limits.

Downgrade – A decline on a road, often requiring careful speed management.

Draggin’ Wagon – Slang for a tow truck.

Drayage – The transport of goods over a short distance, particularly in the context of container shipping from a port to a rail yard or warehouse.

Drive-Away – A service where trucks are transported from one location to another by drivers rather than being hauled on trailers.

Drive Time – The time spent driving a truck, regulated by hours-of-service laws.

Dry Van or Dry Box – A dry van trailer or container used for shipping non-perishable goods.

Dry Bulk – Cargo that is shipped in bulk, such as grains or powders, but not liquid.

Dunnage – Material used to protect or secure cargo during transport.

D.O.T. Inspection – Roadside or DOT inspections are examinations of individual commercial vehicles and drivers conducted by law enforcement personnel.

Drop & Hook – Delivering a loaded trailer and picking up another without waiting for loading or unloading.

Drop Yard – A parking area where trailers are stored for later pickup or delivery.

Dolly – A trailer converter gear with one or two axles and a tongue that attaches to trailers to allow them to be towed in tandem.

Door Swinger – A dock worker or warehouse employee responsible for loading and unloading trailers.

Double Brokering – Double brokering occurs when a freight broker reassigns a shipment they have already contracted to a carrier to another carrier or broker without authorization.

Diesel Alley – A section of highway with a high concentration of truck stops and diesel fuel stations.

Decked Out – A truck that is equipped with lots of accessories and chrome.

Dead Man’s Curve – A dangerous curve on a road known for accidents.

Dispatcher – The person who coordinates and manages the dispatch of trucks to pick up and deliver loads.

Division – A segment of a transportation company that specializes in a particular type of freight or geographic area.

Department of Transportation (DOT) – A federal Cabinet department of the U.S. government concerned with transportation.

DOT Number – A unique identifier assigned by the Department of Transportation to a transportation company.

Drafting – Following closely behind a semi truck to reduce wind resistance and improve fuel efficiency. Very dangerous!

Driver’s Daily Log – A record that drivers are required to keep, detailing hours driven, rest periods, and other details.

Duals – A set of two tires mounted together on either side of an axle.

Dump Truck – A dump truck, also known as a dumper/tipper truck in some regions, is a robust vehicle specifically designed to transport loose materials across construction and mining sites.

ELD or E-Log (Electronic Logging Device) – A digital device that automatically records a driver’s driving hours and duty status to ensure compliance with hours of service (HOS) regulations.

Escort Vehicle – A vehicle that accompanies oversized loads, sometimes carrying signs or flags to warn other road users.

ETA (Estimated Time of Arrival) – The expected time a truck will arrive at its destination.

ETD (Estimated Time of Departure) – The expected time a truck will leave its current location.

Exempt Commodity – Freight or goods that are exempt from regulation by the Federal Motor Carrier Safety Administration (FMCSA).

Expedited Freight – Cargo that is shipped faster than normal, often for an additional fee.

End Dump – A trailer that unloads its cargo through a gate at the rear end.

Engine Brake (Jake Brake) – A braking system that uses the engine to slow the vehicle, particularly useful for controlling speed on downgrades.

Endorsements – CDL endorsements are additional certifications that allow drivers to operate specific types of commercial motor vehicles (CMVs) or to haul particular types of cargo.

Eaton Fuller – A brand of transmission commonly found in commercial trucks.

Empty Call – Reporting to dispatch that a truck has delivered its load and is now empty.

E-Track – A system of tracks mounted inside trailers that provides tie-down points for securing cargo.

Equipment Interchange Receipt (EIR) – A document that records the condition of equipment at the time of interchange between parties.

Extendable Flatbed – A type of flatbed trailer that can be extended to accommodate longer loads.

Entry-Level Driver Training (ELDT) – Required training for new drivers covering the basics of safe driving and operation of commercial motor vehicles.

Emergency Response Guidebook (ERG) – A guidebook for first responders dealing with hazardous materials incidents.

Elevated Idle – A setting that allows the engine to idle at a higher RPM to power auxiliary devices without stalling.

Economy Mode – A setting on some trucks designed to maximize fuel efficiency by altering engine performance.

Electronic Bill of Lading (eBOL) – A digital version of a bill of lading, which serves as a receipt for the goods being transported.

E-Permit – An electronic permit for oversized or overweight loads that can be obtained online.

E-ZPass – An electronic toll collection system used in many states, allowing vehicles to pay tolls automatically without stopping.

Enclosed Trailer – A trailer with a fully enclosed body to protect cargo from the elements.

Engine Retarder – Another term for an engine brake, used to slow down a vehicle without using the wheel brakes.

Entry-Level Driver – A driver who has less than one year of commercial driving experience.

Escrow – Refers to a financial arrangement where truck drivers or owner-operators set aside a portion of their income with their employing company. Usually kept in case of unreported accidents or tickets.

Equipment Number – A unique identifier for a piece of equipment, such as a trailer or container.

Expedite – Time-sensitive shipment that needs expedited handling. Usually done with a pickup as a hotshot or with a box truck.

Factoring – Financial transaction in which a business sells its outstanding invoices or accounts receivable to a third-party company, known as a factor. The factor pays off the invoice value upfront for a factoring fee.

Facility – Refers to a specific location such as a warehouse, distribution center, terminal, or dock, where loading, unloading, and storage of freight occur.

Flatbed – A type of trailer with a flat deck and no sides or roof, used for carrying oversized loads or equipment.

Flat Rate – Fixed charge for shipping freight, additional services or other costs regardless of variables.

Fleet – Trucking company’s collection of commercial vehicles, such as trucks and trailers, used for transporting freight.

Floor Loaded – Cargo that is loaded directly onto the floor of a trailer without pallets, maximizing space but often requiring manual loading and unloading.

Fifth Wheel – The coupling device that connectsco a trailer to the tractor.

First Come First Serve FCFS – Is a policy where truck drivers are attended to in the order they arrive, commonly applied at loading docks upon pickup or delivery.

Freight – Goods that are being transported from one place to another.

FTL (Full Truckload) – A shipment that fills the entire space or reaches the maximum weight limit of a trailer.

Fuel Surcharge – An additional charge to the freight rate to cover the fluctuating cost of fuel.

Fuel Tanker – A truck or trailer designed to carry liquid fuel.

Federal Motor Carrier Safety Administration (FMCSA): A branch of the DOT focused specifically on regulating and providing safety oversight of commercial motor vehicles.

Forced Dispatch – When a driver is assigned loads without the option to decline.

Freight Bill – The invoice for the transportation service performed by the carrier.

Freight Guard – Database of performance reports on carriers, brokers, factoring companies…

Forklift – A powered vehicle designed to lift and move heavy loads.

Fog Line – The white line on the right side of the highway that helps drivers stay in their lane during foggy conditions.

Freight Broker – An individual or company that acts as an intermediary between a shipper and a carrier to facilitate transportation of goods.

Freight Class – A classification system for freight that determines the carrier’s shipping charges, based on size, weight, and density.

Flip Axle – An extra axle that can be flipped down to support heavier loads or lifted up when not needed.

Float – To shift gears without using the clutch, a technique used by experienced drivers.

Fuel Island – The area at a truck stop where fuel pumps are located.

Forwarder – A person or company that organizes shipments for individuals or corporations to get goods from the manufacturer or producer to a market, customer, or final point of distribution.

Freight Forwarder – Similar to a forwarder, but specifically refers to a company that arranges the transport of cargo across multiple carriers.

Free Wheeling – When a truck is coasting down a hill with the clutch disengaged.

Fuller – A brand of manual transmission commonly found in heavy-duty trucks.

Flashers – Hazard lights used to indicate that a truck is parked or moving significantly below the speed limit.

Flat Rate – A predetermined, fixed fee for transportation services, regardless of the actual transportation time or costs incurred.

Fleet – A collection of vehicles owned or leased by a business or government agency, often referring to trucks in the context of transportation.

Food Grade Trailer – Type of trailer specifically designed to transport food products safely, ensuring they remain free from contamination during transit.

Freightliner – A popular make of trucks in the United States, known for their heavy-duty tractor units.

FRO (Fleet Registration Option) – A program that allows owners of large fleets of commercial vehicles to register all their vehicles in a single state.

Front-End Assembly – The part of the truck that includes the engine, transmission, and front suspension.

GCW (Gross Combination Weight) – The total weight of a powered unit, plus trailer(s), plus the cargo.

Gear Jammer – Slang for a truck driver, particularly one who prefers manual transmission.

General Freight – Refers to various types of goods and cargo that are transported by truck and can include a wide range of products such as consumer goods, industrial materials, or commercial supplies.

Governor – A device that limits the top speed of a truck for safety and fuel economy.

Granny Lane – The right-most lane on the highway, often the slowest lane.

Gross – Refers to the total amount or quantity of something, before any deductions or adjustments are made.

Gross Vehicle Weight Rating (GVWR) – The maximum total safe weight of a vehicle, including the weight of the vehicle itself plus fuel, passengers, cargo, and any trailers.

Gross Axle Weight Rating (GAWR) – The maximum weight that can be legally carried by a single axle.

Grade – The slope of a road, usually expressed as a percentage. A higher grade means a steeper slope.

Green Book – Informal name for “The Uniform Vehicle Code and Model Traffic Ordinance,” a guide used to standardize traffic laws.

Grease Monkey – Slang for a mechanic, especially those specializing in truck repairs.

Gravel Gertie – Slang for a dump truck.

Glider Kit – A truck frame equipped with a remanufactured engine and transmission, used to rebuild and update old trucks.

Goose Neck – A type of trailer hitch that connects to a ball in the bed of a pickup truck, used for hauling heavy loads.

Gross Weight – The total weight of the truck and the load it is carrying.

Gear Ratio – The ratio of the turns of the input shaft to the turns of the output shaft in a transmission, affecting speed and power.

GPS (Global Positioning System) – Technology used for navigation and vehicle tracking.

Gateway – A major port or terminal where freight is transferred from one mode of transportation to another.

Gearing Down – Shifting to a lower gear to increase power for climbing hills or to control speed when descending.

General Freight ( General Goods) – Cargo that is commonly hauled by dry vans and does not require special handling.

Glad Hands – Coupling devices used to connect the brake lines from a truck to a trailer.

Goldfish – Slang for a school bus, due to its color and shape resembling a goldfish.

GVW (Gross Vehicle Weight) – The actual weight of a vehicle when fully loaded with cargo, distinct from GVWR which is a limit.

HazMat: Hazardous Materials. These loads require special handling and adherence to strict regulations due to their potentially dangerous nature.

Headache Rack – A protective barrier mounted on the back of the truck cab to protect the driver from cargo in the event of a load shift or accident.

Hopper – A type of trailer used to haul bulk commodities, such as grain, that can be unloaded through the bottom.

Hot Shot – Expedited freight services, typically involving smaller, faster vehicles than traditional semi-trucks.

HOS (Hours of Service) – Regulations governing the driving hours of commercial drivers to ensure safety by limiting the amount of time spent driving without rest.

Hook Up – To connect a tractor to a trailer.

Hubometer – An odometer mounted on a trailer axle that measures the distance traveled by the trailer.

High Cube – A type of container or trailer that is taller than standard ones, offering more volume capacity.

Highway – The main public road system used for travel or transport.

Hot Load – A shipment that is urgent and needs immediate delivery.

Haul Road – A road specifically designed and used for heavy or industrial transport.

Heavy Haul – Transport of oversized or overweight loads that require special permits and equipment.

Hostler – A small truck that is used to move trailers within a shipping yard or warehouse facility.

Hydraulic Lift – Equipment used to raise and lower cargo for loading and unloading.

Height Stick – A tool used to measure the height of a vehicle to ensure it complies with road and bridge clearance limits.

Hitch – The device that connects a trailer to the towing vehicle.

Hundred Air – Slang for very cold weather, implying temperatures below freezing.

Half-Ton Truck – A classification of pickup truck, which historically referred to its payload capacity but now is more about its size and power.

Hand Truck – A two-wheel cart used for moving goods.

Heavy Duty Truck – A classification of trucks designed for carrying large loads or performing other heavy work.

Hazardous Waste Permit – A permit required for the transport of hazardous waste materials.

Hitch Pin – A pin used to secure the hitch of a trailer to a towing vehicle.

Hood Mirror – A mirror mounted on the hood of a truck to provide additional visibility for the driver.

Hopper Bottom – The underside opening of a hopper trailer, allowing for the contents to be dumped out.

Hazmat Class – A classification system for hazardous materials indicating the type of risk they pose.

Heads Up – A warning or notice given to other drivers about potential hazards or law enforcement ahead.

IFTA (International Fuel Tax Agreement) – An agreement among U.S. states and Canadian provinces to simplify the reporting of fuel use by motor carriers operating in more than one jurisdiction.

Intermodal – The use of more than one mode of transport to move goods from origin to destination, such as combining truck transport with rail or ship.

Idle Time – The period when a truck is running but not moving, often leading to unnecessary fuel consumption. Sometimes required in the absence of an APU unit.

Inbound Logistics – The transportation, storage, and delivery of freight coming into a business.

Independent Contractor – A truck driver who owns their own truck and operates as a separate business entity, contracting with companies to haul freight.

In-Cab Inspection – A routine check performed by the driver inside the cab to ensure all controls and equipment are in working order.

ICC (Interstate Commerce Commission) – A regulatory body in the United States that governed the operations of trucking companies. Although the ICC was dissolved, the term is still used colloquially to refer to federal trucking regulations.

Interstate – Conducting trucking business cross state lines, designed for high-speed, long-distance travel.

Inspection – The process of examining a commercial motor vehicle (CMV) to ensure it is safe and compliant with regulations.

Inspection Station – A designated area where commercial vehicles are checked for compliance with safety standards and regulations.

Invoice – A document issued by a carrier detailing the freight charges for transportation services.

IFTA Sticker – A decal that must be displayed on the cab of vehicles operating under the International Fuel Tax Agreement.

Intrastate – Conducting shipping business within a single state’s boundaries.

Inverter – A device that converts DC power from the truck’s battery to AC power to run electrical appliances.

Incident Report – A formal documentation of any accidents, safety violations, or unusual occurrences during the transport of freight.

Insurance Certificate – A document proving a vehicle’s insurance coverage, often required to be carried in commercial trucks.

Interchange Agreement – A contract between carriers that allows the exchange of equipment, such as trailers, for the purpose of completing a shipment.

Interline – The transfer of freight from one carrier to another to complete delivery.

Jackknife – A dangerous situation where the trailer skids and ends up at a sharp angle to the tractor.

JIT (Just-In-Time) – An inventory strategy companies use to increase efficiency and decrease waste by receiving goods only as they are needed in the production process.

Jockey – A person who moves trailers around a warehouse, terminal, or yard (also known as a yard jockey).

Jump Start – The act of starting a truck by using an external power source when the truck’s battery has failed.

J-Hook – A type of hook used in cargo control, shaped like the letter “J”.

Jake Brake – Another term for an engine brake, used to slow down a truck without using the wheel brakes.

Jostle – Minor collisions or movements of cargo due to inadequate securing or rough driving.

Jug Handle – A type of ramp or road design that loops in a semi-circle, used for making left turns in some parts of the United States.

Jobber – A wholesale distributor in the trucking industry, often dealing with parts and accessories.

Jumbo Trailer – A type of trailer designed to carry more volume with the same length as standard trailers, by being taller or having a double deck.

Joint Rate – A shipping rate over a route operated by two or more carriers but billed as one total charge.

Kingpin – A pin around which a trailer’s steering mechanism pivots; it also refers to the main coupling device between a trailer and a tractor.

Kerb Weight – The weight of a vehicle without any passengers, goods, or additional equipment, but with a full fuel tank.

Knucklebuster – Slang for a job or task that is particularly hard on the hands, often involving manual labor that can lead to scrapes or bruises.

Kickback – A return of a portion of the money received in a commercial transaction, often used in the context of illegal or unethical business practices.

K-Whopper – Slang for a Kenworth truck, a popular make among truckers.

Kingpin Lock – A security device that locks onto the kingpin to prevent unauthorized coupling of a trailer.

K-9 – CB radio slang for a police dog unit.

Keep the Left Door Closed – Advice often given to truckers, meaning to stay on the road and avoid returning home too frequently, which can affect earnings.

Kitty Litter – A colloquial term for absorbent materials used to soak up spills or leaks, especially oil or fuel on the ground.

Knock Off – To end work or stop driving, especially at the end of a shift or workday.

Kip – Slang for sleep or nap, especially in the cab of a truck during rest periods.

Knots – A term borrowed from maritime navigation, sometimes humorously used by truckers to refer to speed in miles per hour.

Key Fuel – A brand of fuel card services popular among trucking companies for managing fuel purchases and tracking expenses.

Kink – A sharp bend or twist in a road or route that requires careful navigation.

Kite – Slang for a check or written bill, especially in the context of payments for freight or services.

Kangaroo Juice – Humorous slang for diesel fuel, implying it makes trucks jump or run faster.

Kettle – CB slang for a speed trap set up by police, likened to a kettle that traps steam.

Kicker – An extra or additional fee, often unexpected, in the cost of shipping or services.

K-Rail – Concrete barrier used to separate lanes of traffic, often found in construction zones or on highways to prevent vehicles from crossing into oncoming traffic.

King of the Road – A term of respect or endearment for a highly experienced or skilled truck driver.

Kick Plate – A protective plate installed at the bottom of a door or on a trailer wall to prevent damage from kicks or impacts.

Kerb Hopper – A driver known for driving too close to or onto curbs, often resulting in tire or vehicle damage.

Kitty Hawk – CB slang for a truck carrying a light or empty load, making it faster and more nimble, much like the Wright brothers’ first airplane.

Layover – A situation when a truck driver must wait for one or more days or nights to unload.

LB / LBS (Pound) – Unit of mass.

Logbook – A record book used by truck drivers to track hours of service, distances traveled, and rest periods, as required by law.

LTL (Less Than Truckload) – Freight that does not require the full space of a truck, allowing for the shipment of smaller loads combined with other shipments.

Landing Gear – The support legs that hold up a trailer when it is not attached to a tractor.

Long Haul – Trucking routes that cover long distances, typically across states or the entire country.

Load – Term load in trucking refers to the cargo or shipment or freight that is transported by a truck from one location to another.

Load Board – An online matching system where shippers and freight brokers can post loads needing transportation, and carriers can post their availability.

Linehaul – The movement of freight between cities or terminals, excluding pickup and delivery service.

Lease Operator – A truck driver who leases their truck from a company and operates under that company’s authority, typically responsible for their operating expenses.

Lumper Fee – A person hired to help unload a truck, often at warehouses or grocery terminals.

Lowboy – A type of flatbed trailer with a drop deck, designed to haul heavy or oversized equipment and machinery.

Layover – A delay between scheduled deliveries, often resulting in the driver waiting for the next load.

Logistics – The management of the flow of goods between the point of origin and the point of consumption to meet the requirements of customers or corporations.

Lanes – Regular routes or corridors that trucks travel to deliver goods.

Liftgate – A hydraulic lift at the rear of a truck used for loading and unloading cargo without a loading dock.

Liquid Bulk – Cargo that involves the transportation of liquid goods, such as chemicals or food products, in tankers.

Liner – A type of service where a carrier offers transportation between fixed points on a regular schedule.

Leadfoot – A driver who tends to drive fast, often pushing the limits of speed regulations.

Light Load – A shipment that is below the weight capacity of the truck, potentially allowing for faster transit times.

Land Bridge – The transportation of goods by land (via rail or truck) to connect two seaports, often part of an intermodal shipment.

Load – refers to the cargo, shipment or freight that is transported by a truck from one location to another.

Load Securement – The process and methods used to secure cargo to a trailer to prevent shifting or falling during transport.

Logistics Provider – A company that offers logistics services to other companies, including transportation, warehousing, and supply chain management.

Local Run – A trucking route that is relatively short, usually within the same city or metropolitan area.

Lease Purchase Program – A program offered by some trucking companies allowing drivers to lease a truck with the option to purchase it at the end of the lease term.

Lane Departure Warning – A safety feature in some trucks that alerts the driver if the vehicle begins to move out of its lane without signaling.

Lug Wrench – A tool used for removing or tightening lug nuts on wheels.

Lift Axle – An auxiliary axle that can be lowered to the ground to distribute weight more evenly or raised when not needed.

Live Load/Unload – Live loads is the process of loading cargo directly onto a truck’s trailer in real-time.

Landline – Traditional wired telephone service, often used in contrast to mobile or satellite communication methods.

Load Balancing – The process of distributing the weight of cargo within a trailer to ensure stability and compliance with weight regulations.

Manifest – A document listing the cargo, passengers, or crew of a vehicle, used for regulatory, safety, and billing purposes.

Mile Marker – A sign along the highway indicating the distance in miles from a specific point, usually the state line or the start of a highway.

MC Number (Motor Carrier Number) – An identification number issued by the Federal Motor Carrier Safety Administration (FMCSA) to interstate trucking companies for hire.

Mud Flap – A flap hanging behind the tires of a truck to prevent mud, water, and debris from being thrown into the air by the tires.

Maxi – Slang for a trailer with a maximum number of axles, typically used to carry heavy loads.

MVR (Motor Vehicle Record) – A report of a driver’s history of traffic violations, accidents, and other driving-related information.

Mega Carrier – A very large trucking company, typically operating thousands of trucks.

Minimizer – A brand of truck accessories, known for floor mats and fenders designed to minimize mess and wear.

Moose Bumper – A heavy-duty bumper designed to protect a truck from collisions with large animals, such as moose or deer.

MT (Metric Ton) – A unit of weight equal to 1,000 kilograms, or approximately 2,204.6 pounds.

Mud Dog – A driver specializing in off-road or muddy conditions, often in the context of construction or resource extraction.

Move Over Law – Laws requiring drivers to slow down and change lanes to provide a safety buffer for stopped emergency vehicles, including tow trucks and roadside assistance vehicles.

Marker Lights – Small lights on the exterior of a truck or trailer used to indicate its dimensions and presence to other drivers, especially at night.

Mid-Trip Inspection – An inspection performed during a trip to check for any issues or potential problems with the vehicle or load.

Mountain Grade – A steep incline or decline on a mountain road, often requiring special driving skills and caution.

Motorcoach – A large, comfortable bus used for long-distance passenger transport.

Mandatory Break – A required rest period for drivers, as regulated by hours-of-service rules to ensure safety.

Mud Season – A term used in colder regions to describe the time of year when thawing snow and ice turn unpaved roads into muddy obstacles.

Mileage Consortium – A group of companies that share data on mileage for purposes of fuel tax reporting under IFTA regulations.

No-Zone – Areas around a truck where the driver has limited or no visibility, also known as blind spots.

Nose – The front of a truck or tractor.

Non-CDL (Commercial Driver’s License) – Refers to a type of trucking using vehicles that can be legally operated without a CDL, typically those under a certain weight limit.

National Highway System (NHS) – A network of roads important to the U.S. economy, defense, and mobility, including interstates and other key roads.

NAPTA (National Association of Publicly Funded Truck Driving Schools) – An organization representing publicly funded truck driving schools.

NLRB (National Labor Relations Board) – A federal agency that enforces US labor law in relation to collective bargaining and unfair labor practices.

Night Dispatch – The dispatch operations that work during the night to support drivers and manage freight movements.

NMFTA (National Motor Freight Traffic Association) – An organization that provides freight classification, packaging standards, and serves as an intermediary between carriers and shippers.

Non-Forced Dispatch – A policy that allows drivers to have a say in which loads they take, offering more flexibility in assignments.

Nifty Fifty – Slang for a $50 bill, sometimes referring to tips or bonuses.

Net Weight – The weight of the cargo excluding the weight of the trailer, container, or packaging.

NVH (Noise, Vibration, and Harshness) – Terms used to describe the ride and handling characteristics of a vehicle.

National Account – A customer who has a contract with a carrier for freight services across various locations, typically a large corporation.

Non-Recourse – A term in freight shipping that absolves the carrier from liability for certain causes of loss or damage to the cargo.

No Touch Freight – Touch freight requires driver to physically handle or assist in the loading and unloading process while no-touch freight means driver is not responsible for loading or unloading. 

Nylon Strap – A type of cargo securement strap made of nylon, used for tying down loads.

Nose Heavy – A condition where too much of a trailer’s weight is concentrated towards the front, potentially affecting handling and safety.

NOR (Not Otherwise Specified) – A term used in freight classification indicating that the cargo does not fall under a specific category listed in the NMFC.

Non-Operating Reefer (NOR) – A refrigerated container used as a dry van for shipping, without using its refrigeration unit.

New Entrant – A term used by the FMCSA for a carrier that has recently received its operating authority, subject to additional oversight.

Ninth Axle – A reference to a specific configuration in heavy haul trucking, indicating an additional axle to support heavy loads.

Next-Day Delivery – A shipping service that guarantees delivery of cargo by the next business day.

OTR (Over The Road) – Long-distance trucking, typically involving cross-country routes that keep drivers away from home for extended periods.

Owner-Operator – A truck driver who owns and operates their own truck(s), rather than driving a company-owned vehicle.

Out of Service (OOS) – A designation that a driver or vehicle is not allowed to operate due to safety violations or failure to comply with regulations.

Off-Duty Time – Time when a driver is not on duty or responsible for performing work-related activities, and can rest or engage in personal activities.

Overhang – The portion of a load that extends beyond the trailer’s length, often requiring special permits and flags for transport.

Overweight Permit – A permit allowing a truck to carry a load that exceeds standard legal weight limits, subject to specific route and travel time restrictions.

Overpass – A bridge that carries one roadway over another, with height clearances that trucks must be aware of to avoid collisions.

Outbound Logistics – The process related to the movement and storage of products from the end of the production line to the end user.

Odometer Fraud – The illegal act of rolling back the odometer on a vehicle to falsely represent its actual mileage.

Overdrive – A gear in a truck’s transmission that reduces engine RPMs at highway speeds, helping to save fuel and reduce engine wear.

Operating Authority – The government-granted permission for a carrier to move freight across state lines, identified by an MC (Motor Carrier) number.

Open-Deck – Refers to flatbed or platform trailers without sides or a roof, used for transporting oversized or irregularly shaped cargo.

Occupational Safety and Health Administration (OSHA) – A federal agency that ensures safe and healthy working conditions by setting and enforcing standards.

Over-the-Counter (OTC) – Non-prescription medications; relevant in trucking for regulations regarding driver health and medication use.

Overload – A load that exceeds the vehicle’s maximum allowable weight, which can lead to fines and safety issues.

Offset Backing – A maneuver used to align a trailer with a loading dock by backing up at an angle.

Oscillation – The side-to-side movement or sway of a trailer, which can be dangerous at high speeds or with improperly secured loads.

Outriggers – Extensions used on flatbed trailers to accommodate wider loads, providing additional stability.

On-Duty Time – The period when a driver is working but not driving, such as loading or unloading cargo, inspecting the vehicle, or waiting at a customer site.

Outsourcing – The practice of hiring third-party companies to handle certain business functions, such as logistics or maintenance.

Per Diem – A daily allowance for drivers to cover expenses while on the road, such as meals.

Pre-Trip Inspection – A mandatory check performed by drivers before starting a journey to ensure the vehicle is safe and compliant with regulations.

Placards – Signs placed on the outside of a vehicle indicating the presence of hazardous materials, required by regulations to warn others of potential dangers.

Pup Trailer – A short semi-trailer used in combination with a longer trailer for tandem towing, commonly seen in LTL (Less Than Truckload) freight.

Peterbilt – A popular brand of truck known for its durability and style.

Pneumatic Trailer – A type of trailer designed to transport dry bulk materials, such as cement or grain, using air pressure to unload.

POD (Proof of Delivery) – A document signed by the recipient confirming the delivery of goods.

Preventive Maintenance – Regularly scheduled maintenance activities designed to prevent unexpected equipment failures.

Port of Entry – A designated point at which goods or people may enter a country, subject to customs and other checks.

Power Only – Specialized freight transportation model where carriers provide the tractor (power unit) while leaving the responsibility of the trailer to another party.

Pulling Doubles/Triples – Operating a tractor with two or three trailers attached, requiring special endorsements on a driver’s license.

Pallet Jack – A tool used to lift and move pallets within warehouses and loading areas.

P&D Driver – A driver who performs pickup and delivery services, typically operating within a smaller, localized area.

Pintle Hook – A type of tow hitch used for connecting trailers, often seen in heavy-duty or military applications.

Permit Load – A load that exceeds standard legal size or weight limits and requires special authorization to transport.

Panic Stop – An emergency braking maneuver performed to avoid a sudden hazard.

Pusher Axle – An auxiliary axle placed in front of the drive axles to help distribute the weight of the load.

Pallet – A platform used for storing and transporting goods, which can be lifted by a forklift or pallet jack.

Pin Lock – A security device used to lock the kingpin of a trailer to prevent unauthorized coupling.

Qualcomm – A commonly used brand of onboard truck communications and tracking systems, providing services like GPS tracking, messaging, and electronic logging.

Quarter Fender – A small fender located over the top front portion of a truck’s drive tires to prevent road spray and debris.

Quad Axle – A configuration with four axles on a trailer or truck, enhancing its load-carrying capacity.

Quick Release Valve – A valve in the air brake system designed to speed up the release of air from the brakes, allowing them to release faster.

Quarterly Fuel Taxes – Taxes paid by trucking companies or owner-operators on the fuel used in commercial vehicles, calculated quarterly.

Queue – A line of trucks waiting for something, such as loading at a warehouse, inspection at a weigh station, or crossing at a border.

Q-Scale – A term sometimes used informally to refer to a scale house or weigh station.

Quick Connect Couplings – Fittings used on hoses or lines that can be connected and disconnected quickly without tools, common in hydraulic and air systems on trucks.

Quiet Zone – Areas, typically near residential neighborhoods, where the use of engine brakes or loud noises from trucks are prohibited or discouraged.

Quote – An estimate provided by carriers to shippers for the cost of transporting goods, based on the details of the load, distance, and other factors.

Quick Pay – A payment option offered by some freight brokers or shippers that allows truckers to receive payment for their services more quickly than standard terms.

Quota Share – In logistics and shipping, a part of a larger contractual agreement where cargo space or transport responsibility is shared among multiple carriers.

Queue Jumping – The act of bypassing a line of waiting trucks, often seen negatively by other drivers.

Reefer – A refrigerated trailer used for transporting perishable goods that require temperature control.

Rig – Slang for a truck or tractor-trailer.

Rate Confirmation – A document that confirms the rate to be paid for freight transportation, agreed upon by the carrier and shipper or broker.

Rolling CB Interview – Conversations between truck drivers over the CB radio while driving on the highway.

RGN (Removable Gooseneck Trailer) – A type of flatbed trailer with a detachable front, allowing vehicles to be driven onto it from the front.

Roadworthy – A term used to describe a vehicle that meets all safety standards and is legal to operate on public roads.

Relay Driving – A driving method where drivers swap trailers at designated points to keep freight moving while adhering to hours-of-service regulations.

Rooster Cruiser – Slang for a truck with many lights and chrome, often implying it’s flashy or showy.

Return Load – A load picked up by a driver on the return journey after delivering the original load, minimizing empty miles.

Road Check – An annual inspection event conducted by the Commercial Vehicle Safety Alliance (CVSA) focusing on commercial vehicle inspections.

Ratchet Strap – A type of strap used to secure cargo, which can be tightened with a ratcheting mechanism.

Rider Policy – A company’s policy regarding whether or not a driver is allowed to have a passenger or pet in the truck.

Regional Haul – Trucking routes that cover a specific region, typically allowing drivers to return home more frequently than long-haul routes.

Rated Capacity – The maximum load a vehicle or piece of equipment is designed to carry safely.

Roll-Up Door – A type of door on a trailer or cargo bay that rolls up into the roof rather than swinging out.

Runaway Ramp – An emergency escape route adjacent to steep downhill roads, allowing vehicles that have lost braking control to safely stop.

Rub Rail – A protective rail along the sides of a flatbed trailer to protect against minor impacts and secure cargo.

Reefer Fuel – Diesel fuel used specifically for the refrigeration unit of a reefer trailer.

Roadside Inspection – Inspections conducted by enforcement officers on vehicles and drivers to ensure compliance with safety and regulatory standards.

Route Planning – The process of determining the most efficient path for a vehicle to take to reach its destination, considering factors like traffic, weather, and legal restrictions.

Semi-Truck – A truck consisting of a tractor unit and one or more semi-trailers to carry freight.

Skateboard – Slang for a flatbed trailer.

Slip Seat – The practice of drivers sharing trucks, where one driver takes over the truck when the other is off duty.

Sleeper Cab – A compartment attached to the truck cab allowing the driver to rest or sleep between driving shifts.

Spotter Truck – A small truck used in warehouses and shipping yards to move trailers around a dock or yard.

Straight Truck – A single vehicle, as opposed to a combination of a tractor and trailer, used for carrying cargo.

Scale House – The facility at a weigh station where trucks are weighed to ensure they comply with weight regulations.

Setback Axle – A front axle positioned behind the front bumper to improve maneuverability and weight distribution.

Super Single – A wide tire designed to replace dual tires on a truck or trailer, improving fuel efficiency and reducing weight.

Sliding Tandem – A mechanism that allows the tandem axles under a trailer to be moved forward or backward to adjust weight distribution.

Short Haul – Trucking routes that are relatively short, allowing drivers to return home at the end of the workday.

Shipper – Company or individual who need to transport goods from one place to another.

Step Deck (or Drop Deck) Trailer – A trailer designed with two deck levels to accommodate taller cargo while staying within height restrictions.

Stale Green – A traffic light that has been green for a long time and is likely to turn yellow soon.

Seal – A device used to secure the doors of a trailer or container, providing evidence of tampering if broken.

Swing Door – A type of trailer door that opens outward on hinges, similar to conventional doors.

Sliding Fifth Wheel – An adjustable fifth wheel plate that can move forward or backward to balance the trailer’s weight distribution.

SAFER System – Safety and Fitness Electronic Records System, a database used to access company safety profiles and compliance with regulations.

Serpentine Belt – A single, continuous belt used to drive multiple peripheral devices in an engine, such as the alternator, water pump, and power steering pump.

Speed Governor – A device used to limit the maximum speed of a vehicle for safety and fuel efficiency reasons.

Tractor – The front part of a semi-truck that pulls the trailer.

Trailer – The part of the truck that carries the cargo, attached to the tractor.

Tanker – A type of trailer designed to haul liquids or gases.

Tarps – Large, durable covers used to protect freight on flatbed trailers from weather and road debris.

Turnpike Double – A tractor pulling two trailers, commonly used on turnpikes where larger combinations are allowed.

Twins – Two short trailers connected in tandem, also known as “pup trailers.”

Toll Tag – An electronic device that allows trucks to pay tolls automatically as they pass through toll stations.

Team Driving – A method where two drivers alternate driving shifts in the same truck, allowing for nearly continuous operation.

Terminal – A facility where freight is sorted and transferred between different trucks or modes of transportation.

Time Zones – Time zones are regions of the earth divided by longitudinal lines where the standard time is the same.

Trip Plan – The detailed route and schedule a driver plans to follow for a delivery.

Truck Stop – A large service station with facilities catering to truck drivers, including fuel, parking, showers, and sometimes lodging.

Toll Booth – A station on toll roads where drivers pay a fee to continue traveling.

Toe – The alignment of wheels in relation to each other, which can affect handling and tire wear.

Tractor-Trailer – Another term for a semi-truck, consisting of a tractor unit and one or more trailers.

Thermo King – A brand name of refrigeration units used on reefer trailers.

Tread Depth – The depth of the grooves in a tire, indicating how much wear a tire has undergone.

Toll Pass – Similar to a toll tag, a device or system that allows for electronic toll payments.

Transponder – A device used for electronic toll collection, communicating with toll booth systems to charge the toll automatically.

Tow Hitch – A device attached to the chassis of a vehicle for towing.

U-Turn – A maneuver allowing a vehicle to turn around and head in the opposite direction, often restricted on highways or in certain trucking situations due to the size of commercial vehicles.

Unladen Weight – The weight of the vehicle when it’s not carrying any cargo, passengers, or unnecessary equipment.

Understeer – A condition where a vehicle turns less than the amount commanded by the driver, common in front-heavy vehicles like trucks when taking corners at speed.

U-Bolt – A U-shaped bolt used in truck suspension systems to secure leaf springs and other components.

Underride Guard – A safety barrier attached to the back of a trailer to prevent passenger vehicles from sliding underneath in a rear-end collision.

Upper Fifth Wheel – The component of the fifth wheel coupling device that’s attached to the trailer and locks onto the lower fifth wheel attached to the tractor.

Unload – The process of removing cargo from a trailer. In some cases, drivers are responsible for unloading, while in others, it’s handled by receivers.

Upshift – Shifting to a higher gear in a manual transmission to reduce engine RPMs as the vehicle gains speed.

USDOT Inspection – A comprehensive safety inspection of commercial motor vehicles by the Department of Transportation to ensure they meet all federal regulations.

Uptime – The time a truck is operational and available for hauling, as opposed to downtime for maintenance or repairs.

Utility Body – A type of truck body that includes storage compartments and workspace, typically used by service professionals.

Unit Number – A unique number assigned to a truck, trailer, or piece of equipment for identification and tracking within a fleet.

Undercarriage – The underside components of a vehicle, including the frame, wheels, axles, and suspension parts.

Unladen Journey – A trip made without carrying any cargo. For truckers, these are often return trips after delivering a load.

Utility Pole Trailer – A specialized trailer designed for transporting long utility poles.

Underbelly Boxes – Storage compartments located underneath the bed of a truck or trailer for additional storage space.

Ultimate Gross Vehicle Weight – The maximum allowable total weight of a vehicle, including its cargo, passengers, fuel, and other components.

Underwrite – The process of assessing risk and determining the premium for insurance policies in the trucking industry.

VIN (Vehicle Identification Number) – A unique code used to identify individual motor vehicles.

Van Trailer – A type of enclosed trailer used for transporting goods protected from the elements.

Ventilated Trailer – A trailer designed with ventilation to transport goods that require air circulation.

VOLVO – A brand of trucks known for their safety features and efficiency, popular among commercial truck drivers.

VOR (Vehicle Off Road) – When a truck is not operational due to maintenance or repair, impacting fleet efficiency.

VIN Scanning – The process of electronically reading a vehicle’s VIN to quickly access vehicle information.

Vehicle Recovery – The process of retrieving a vehicle after a breakdown or accident.

Vertical Exhaust – An exhaust system that directs emissions upward, away from the vehicle and ground, commonly seen on large trucks.

Weigh Station – A checkpoint along highways where commercial vehicles are weighed to ensure they comply with state and federal regulations.

Wide Load – A load that exceeds the standard legal width and requires special permits and often escort vehicles for transportation.

Wheelbase – The distance between the front and rear axles of a vehicle, affecting its stability and maneuverability.

White Line Fever – A term used to describe the hypnotic state induced by long hours of driving, focusing on the white lines of the road.

Weight Distribution – The balancing of cargo weight across a trailer to ensure stability and compliance with axle weight limits.

Weight Ticket – A document verifying the weight of a vehicle and its load, obtained at a weigh station or certified scale.

XPO Logistics – A major global provider of transportation and logistics services, which operates in the trucking industry among others.

Yard – An area where trucks are parked, loaded, or unloaded, often part of a warehouse or distribution center.

Yard Jockey – A driver who operates a yard tractor or shunt truck, moving trailers within a freight yard, dock area, or warehouse facility.

Yard Management System (YMS) – Software systems designed to oversee the movement of trucks and trailers in a yard, optimizing efficiency and tracking inventory.

Yard Spotter – Similar to a yard jockey, a person or the vehicle used for moving and organizing trailers in a freight yard.

Yard Tractor – A type of tractor used specifically within a cargo yard or warehouse area for moving trailers, not designed for road travel.

YTD (Year-To-Date) – Refers to the period starting from the beginning of the current calendar year up to the present day, used in financial and operational reporting.

Yearly Inspection – A mandatory comprehensive check of a commercial vehicle’s condition and compliance with safety standards, required annually by the Department of Transportation (DOT).

Zonal Dispatch – A dispatch system where drivers operate within a specific geographic zone, improving efficiency in local and regional deliveries.

Zulu Time – Another term for Coordinated Universal Time (UTC), used in international logistics and transportation to coordinate timings across different time zones.

Zone Restrictions – Regulations that limit commercial vehicle operations in certain areas, affecting route planning and delivery schedules.