V Restriction – Medical Variance everything you need to know truckers wiki

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Introduction to V Restriction – Medical Variance

In this article, we will discuss the V restriction, its implications, and what it means for commercial drivers.

Understanding the V Restriction

The V restriction, also known as the Medical Variance restriction, is placed on a CDL when a driver has a medical condition that could affect their ability to drive safely but has been granted a Federal Motor Carrier Safety Administration (FMCSA) variance. This means the driver has been evaluated and provided with an exemption that allows them to operate a commercial vehicle, despite having a medical condition that ordinarily might prevent them from doing so.


Medical Variance can cover a range of conditions including, but not limited to, diabetes, seizures, hearing impairments, limb impairments, and certain types of vision impairments. The FMCSA provides these variances on a case-by-case basis, considering each driver’s specific circumstances and the potential safety implications.

Implications of the V Restriction

The presence of a V restriction on a CDL can impact a driver’s career in several ways. First, it signifies to employers that the driver has a certain medical condition, which might influence the types of driving roles for which they are considered. However, the V restriction also indicates that the driver has been granted an FMCSA variance, meaning they’ve been deemed safe to operate a commercial vehicle despite their medical condition.

This restriction can also impact the process of renewing a CDL. Drivers with a V restriction must typically provide additional medical documentation during renewal to demonstrate that they still meet the requirements of the variance.

Working with the V Restriction

While the V restriction signifies a unique situation, it does not necessarily limit a driver’s career in commercial driving. In fact, the presence of a V restriction demonstrates the driver’s commitment to their profession, as they’ve taken the necessary steps to obtain a variance and continue driving despite their medical condition.

In terms of managing the V restriction, it’s essential for drivers to keep up-to-date with their medical documentation and stay informed about any changes to FMCSA regulations related to their specific variance. Regular check-ups with medical professionals are crucial to ensure that they continue to meet the requirements of their variance.


CDL restrictions like the V restriction play an essential role in ensuring the safety of all road users. They provide a way for drivers with certain medical conditions to continue their careers in commercial driving, provided they meet specific safety criteria. Understanding these restrictions is vital for drivers as they navigate their career paths and responsibilities. While the V restriction indicates a particular medical situation, it also represents the FMCSA’s confidence in the driver’s ability to operate a commercial vehicle safely, opening the door for a fulfilling career in commercial driving.
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