Clean Truck Check Credentialed Tester

Clean Truck Check in Ann Arbor, MI

1 credentialed tester in Ann Arbor.

Testers in Ann Arbor

Nearest in-person tester to Ann Arbor

The closest CARB-credentialed Clean Truck Check tester is Gordie's Auto & Tire in Sterling Heights, Michigan — about 40 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Washtenaw 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
79
Trucking employees
984

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

Freight corridors near Ann Arbor

Ann Arbor sits on I-275, I-94, I-94-BL, US-12, US-12-BUS and US-23. 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 Ann Arbor. Useful for routing a service stop around your CTC test.

+6 more within 25 miles.

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