CDL FAQ
The most common questions about the exam — answered clearly.
Frequently Asked Questions
How do I get a CDL?
Pass knowledge tests for a CDL learner's permit, then complete skills tests (pre-trip, backing, road) with a licensed examiner.
What's the difference between Class A, B, and C?
Class A: combo vehicles (18-wheelers). Class B: single heavy vehicle (buses, dump trucks). Class C: smaller hazmat or 16+ passenger vehicles.
Do I need a CDL for a box truck?
CDL required only if GVWR exceeds 26,001 lbs (Class B) or if the vehicle carries hazmat or 16+ passengers.
How long is the HazMat endorsement valid?
5 years — requires a TSA background check (fingerprints). Cannot have certain criminal convictions.
What's the best way to study?
Read your state's official CDL manual thoroughly — all test questions come directly from it.