Free. No sign-up. Based on each state's official CDL manual. Updated for 2026.
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Free CDL Practice Tests

Every U.S. state writes its own CDL manual. Pick your state to take a state-specific practice test, or jump straight to a federal sample test below.

Federal sample tests

Universal questions drawn from the FMCSA CDL Manual. Useful for orientation while you locate your state's exact rules.

General Knowledge

50 universal questions covering driving safely, inspection, cargo.

Start sample test (uses Texas content)

Air Brakes

25 questions on dual-circuit air brake systems.

Start sample test (uses Texas content)

Combination

20 questions for Class A combination vehicles.

Start sample test (uses Texas content)

HazMat (H)

HazMat endorsement — placards, classes, hazmat regs.

Start sample test (uses Texas content)

Road Signs

MUTCD road signs every commercial driver should know.

Start sample test (uses Texas content)

Or pick your state