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In the United States, there is only an air brake RESTRICTION. If the CDL applicant does not take the written air brake exam when applying for a CDL or does not take the road test with an air brake equipped vehicle, the CDL will have a restriction “L” on the CDL, meaning vehicles without air brakes. This restriction only applies to vehicles that require a CDL. For example, a driver with a CDL and air brake restriction can still legally operate a box truck with a GVWR less than 26,001 lbs. with air brakes, because the box truck does not require a CDL.
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Commercial motor vehicle (CMV) means a motor vehicle or combination of motor vehicles used in commerce to transport passengers or property if the motor vehicle is a:
The five federal exceptions to the medical card requirement are:
CDL holders only need to carry their medical card for 15 days after renewal. Non-CDL holders must carry their medical card.
The presence of air brakes does is not a determining factor in whether a CDL is required.
Kansas has reciprocity agreements with Nebraska, Missouri, and Oklahoma. Farmers entering Kansas from non-reciprocity states will only qualify for the CDL exceptions if they meet the requirements of a covered farm vehicle.