Rules by state

Rules for registering Kei cars in all 50 US states.

If your state does not allow registering a Kei car, see Out of state registration for potential loopholes

LegalityKei trucks are allowed on any road except for interstate highways. However, kei cars must...

LegalityAs of May 6, 2025, Kei vehicles are not street legal in Alaska, according to this Alaska ...

LegalityKei cars are street legal in Arizona but titled as an ATV with a street sticker. Accordin...

LegalityArkansas allows for titling and registering Kei trucks in the state. They’ll register the...

LegalityDue to California's strict emissions testing, California will not register a Kei vehicle ...

LegalityAs of May 3, 2025, legality on Kei trucks in Colorado seems to be mixed. Call your local ...

LegalityAs of June 27, 2025, Kei cars are legal in Kentucky. Kentucky Senate Bill 63 (SB 63) clas...

LegalityOhio defines Kei cars as mini-trucks:(BBB) "Mini-truck" means a vehicle that has four whe...

LegalityRhode Island will not register a Kei car. The only other options are private land use wit...

Legality As of May 21, 2025, Kei vehicles that follow federal standards are legally codified by ...