Clean Truck Check Credentialed Tester

Clean Truck Check in Howell, MI

1 credentialed tester in Howell.

Testers in Howell

Nearest in-person tester to Howell

The closest CARB-credentialed Clean Truck Check tester is Gordie's Auto & Tire in Sterling Heights, Michigan — about 45 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Livingston County

Clean Truck Check applies to heavy-duty vehicles that operate in California — including out-of-state trucks based here that run loads west.

Trucking establishments
50
Trucking employees
436

Source: FMCSA MCMIS carrier census, US Census County Business Patterns 2021.

Freight corridors near Howell

Howell sits on I-96, I-96-BL, US-23, M-106, M-36 and M-43. Trucks running these routes into California fall under CARB’s Clean Truck Check — Smart CTC lets them test remotely without leaving the road.

Source: OpenStreetMap (© OpenStreetMap contributors).

Nearby truck stops

OpenStreetMap-tagged truck stops, services areas, and HGV-marked fuel stations within 25 miles of Howell. Useful for routing a service stop around your CTC test.

+4 more within 25 miles.

Source: © OpenStreetMap contributors. Last updated 2026-05-26.