Free CDL practice tests
Nine knowledge tests, fifty-one jurisdictions. Start with the subject your state requires, or pick your state first and we will show you only the tests that apply to you.
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The nine tests
A free set from every subject in the app. Every answer comes back with the rule behind it.
General KnowledgeRequired for every CDL applicant, whatever class or endorsement you are after.
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Air BrakesThe section applicants fail most often. Pressure figures differ by state manual.
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Combination VehiclesNeeded for Class A tractor-trailer, including coupling and uncoupling order.
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Pre-Trip InspectionWhat the examiner expects you to point at and say out loud, in order.
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Hazardous MaterialsH endorsement: placarding, shipping papers and the segregation table.
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Doubles & TriplesT endorsement: coupling order, converter dollies and trailer sway.
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Tank VehiclesN endorsement: surge, baffles and the rules for outage.
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Passenger TransportP endorsement: loading, standee lines and emergency exits.
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School BusS endorsement: danger zones, loading and unloading, railroad crossings.
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All 50 states + DC
Pass marks, question counts and retest waits are set by the state.
AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming