CDL Practice Tests
Every free CDL practice test on CDLTest360 — organized by topic, endorsement, and state. Every question is built from public FMCSA regulations and the CDL manual your state DMV publishes.
Core CDL topics
- General KnowledgeFree CDL General Knowledge practice test with instant explanations. Class A and Class B questions built from FMCSA regulations and state CDL manuals.
- Pre-Trip InspectionCDL pre-trip inspection guide with the seven-step method, air brake test, and full component checklist. Practice the exact wording examiners want to hear.
- ELDT TheoryFree ELDT Theory practice test for federal Entry-Level Driver Training. Class A, Class B, and endorsement theory questions built to FMCSA ELDT standards.
Endorsements
- Air BrakesFree CDL Air Brakes endorsement practice test. Learn brake system components, pre-trip air brake checks, and stopping distance — built from FMCSA CDL manuals.
- Combination VehiclesFree CDL Combination Vehicles practice test for Class A drivers. Coupling, uncoupling, off-tracking, and trailer handling — built from FMCSA CDL manuals.
- HazMatFree CDL HazMat endorsement practice test. Placards, shipping papers, loading rules, and emergency procedures — based on public FMCSA and 49 CFR references.
- TankerFree CDL Tanker (N) endorsement practice test. Surge, baffled vs. unbaffled tanks, high center of gravity, and outage — built from FMCSA CDL manuals.
- Doubles & TriplesFree CDL Doubles & Triples (T) endorsement practice test. Coupling, uncoupling multi-trailer combinations, rearward amplification, and inspection.
- PassengerFree CDL Passenger (P) endorsement practice test. Loading, unloading, inspection, and safe driving for buses and passenger vehicles.
- School BusFree CDL School Bus (S) endorsement practice test. Danger zone, student loading, mirrors, and emergency evacuations — based on public FMCSA CDL manuals.
By state
- Florida CDLFree Florida CDL practice test aligned with the FLHSMV CDL Handbook. General Knowledge, Air Brakes, Combination Vehicles, and endorsements.
- Texas CDLFree Texas CDL practice test aligned with the TxDPS CDL Handbook. General Knowledge, Air Brakes, Combination Vehicles, and endorsements.
- California CDLFree California CDL practice test aligned with the California Commercial Driver Handbook. General Knowledge, Air Brakes, Combination, and endorsements.