Pick a Practice Test
Free, no sign-up. Pick your endorsement and start.
General Knowledge (Class A)
Required for all Class A CDL applicants. Covers vehicle inspection, basic control, safe driving, and transporting cargo.
General Knowledge (Class B)
Required for Class B applicants. Same fundamentals as Class A, focused on straight trucks and buses.
Air Brakes
Required for any vehicle with air brake systems. Covers components, dual systems, and inspection.
Combination Vehicles
Required for Class A. Covers tractor-trailer driving, coupling, and emergency procedures.
HAZMAT
Required to haul hazardous materials. Covers placarding, loading, and emergency response.
Tanker
Required for liquid or gas tank vehicles. Covers liquid surge, inspection, and safe driving.
Doubles / Triples
Required to pull two or three trailers. Covers coupling, uncoupling, and safe operation.
Passenger
Required for vehicles carrying 16 or more passengers. Covers loading, emergency exits, and post-trip.
School Bus
Required for school bus drivers. Covers loading and unloading, emergency evacuation, and railroad crossings.
Pre-Trip Inspection
The verbal walk-around exam. Covers engine compartment, in-cab, external, brakes, and lights. Study guide only - the real exam is verbal.