What Are CDL Endorsements And How Do You Obtain An Endorsement? Are There Any Restrictions That Prevent Certain Type Of Operations?
Drivers are required to obtain CDL endorsements in order to operate certain types of vehicles. The FMCSRs identify these endorsements with a code (single capital letter) and include: T (double/triple trailers), P (passenger vehicles), N (tank vehicles), H (vehicles required to have identification indicating there are hazardous materials on board), S (school buses), and X (combination of N and H endorsements). These endorsements are the only ones identified by the FMSCA but an individual state may have more. In order to get endorsement for any of the ones listed, a driver must pass a knowledge test. In addition to a knowledge test, S and P endorsements require a skills test. Further, a background check is required for H endorsement.
While endorsements allow operation of certain type of vehicles, the FMCSA has also outlined eight restrictions that prevent certain types of operations. Like endorsements, these restrictions are identified with a code. They include: E: if a driver performs the skills test in an automatic transmission vehicle, he or she cannot operate a CMV equipped with manual transmission; K: if a driver is not qualified to driver interstate, he or she is restricted from driving outside the state; L: if a driver either fails the air-brake component of the knowledge test or performs the skills test in a vehicle not equipped with air brakes, he or she cannot operate a CMV with air brakes; M: if a driver performs the skill test in a Class B vehicle, he or she cannot operate a Class A vehicle; N: if a driver performs the skill test in a Class C vehicle, he or she cannot operate a Class A or B vehicle; O: a driver who did not perform a skills test in a tractor-trailer combination connection by a fifth wheel cannot operate one; V: a driver who was issued a medical variance has to have a restriction code “V” in their driver’s record; Z: if a driver performs the skills test in a vehicle with air-over-hydraulic brakes, he or she cannot operate a vehicle with any braking system operating fully on the air-brake principle.
If you have a question about an accident or injury involving a semi-truck and how these regulations may be important as applied to the accident call Roth Davies, LLC Trial Lawyers for a free consultation.
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