Clean Truck Check Credentialed Tester

Clean Truck Check in Marietta, OH

1 credentialed tester in Marietta.

Testers in Marietta

Nearest in-person tester to Marietta

The closest CARB-credentialed Clean Truck Check tester is SH OH Truck Repair in Medina, Ohio — about 123 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Washington 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
49
Trucking employees
669

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

Freight corridors near Marietta

Marietta sits on I-77, US-50, SR-26, SR-32, SR-339 and SR-60. 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 Marietta. Useful for routing a service stop around your CTC test.

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