Clean Truck Check Credentialed Tester

Clean Truck Check in Millersburg, OH

1 credentialed tester in Millersburg.

Testers in Millersburg

Nearest in-person tester to Millersburg

The closest CARB-credentialed Clean Truck Check tester is SH OH Truck Repair in Medina, Ohio — about 43 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Holmes 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
55
Trucking employees
696

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

Freight corridors near Millersburg

Millersburg sits on US-250, US-62, CR-160, SR-241, SR-3 and SR-39. 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 Millersburg. Useful for routing a service stop around your CTC test.

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