Practice tests and mock exams
Practice explains each answer. Exam mode saves feedback until the end. These are educational practice settings.
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All practice tests
General Knowledge
Required for every CDL class.
Air Brakes
Needed to drive a vehicle with air brakes without an "L" restriction.
Combination Vehicles
Needed for Class A (tractor-trailers).
Doubles and Triples (T)
Endorsement to pull two or three trailers.
Tank Vehicles (N)
Endorsement for tanks carrying liquids or gases.
Hazardous Materials (H)
Endorsement to haul placarded hazardous materials. Also needs a TSA background check.
Passenger (P)
Endorsement to drive buses that carry 16 or more people.
School Bus (S)
Endorsement for school buses. Requires the Passenger endorsement too.
Skills test guide
Pre-trip inspection, basic control and road test, step by step, with the English phrases to say.