Ignition Interlock Requirements by State (2026)
Interlock rules, required durations, approved providers, and costs vary by state. Select yours for a full breakdown and the fastest way to get installed.
AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareWashington DCFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming
More state guides are added regularly. If your state isn’t linked yet, check back soon.