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['Commercial drivers license CDL']
['Commercial drivers license CDL', 'Commercial learners permit CLP']
09/15/2026
Question 1: May a sign language interpreter be used for the commercial driver’s license (CDL) general knowledge test?
Guidance: Test methods are governed by 49 CFR 383.133. Specifically, §383.133(b)(3) states: Each knowledge test must be valid and reliable so as to ensure that driver applicants possess the knowledge required under §373.111. The knowledge tests may be administered in written form, verbally, or in automated format and can be administered in a foreign language, provided no interpreter is used in administering the test.
Question 2: May a driver use a truck tractor (as defined in 49 CFR 390.5) as a representative vehicle for purposes of completing the skills tests for a Class B CDL?
Guidance: Yes, but only if the truck tractor has a GVWR of 26,001 pounds or more.
['Commercial drivers license CDL']
['Commercial drivers license CDL', 'Commercial learners permit CLP']
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