what are the cdl endorsements and restrictions
CDL endorsements are required for some truck drivers that intend to drive a specific type of commercial motor vehicle (CMV). Additional testing is required for each type of endorsement. H â Hazardous Material endrosement is required for truck drivers that intend to drive CMVs transporting hazardous materials.
CDL restirictions are codes on your commercial driver license that regulate what types of commercial motor vehicle (CMVs) you are allowed to legally drive. 1  J restricition means you are only allowed to operate passenger or school bus type CMVs. 2  K restriction means you may not operate a vehicle with air birakes.