Clean Truck Check Credentialed Tester

Clean Truck Check in Springfield, OH

1 credentialed tester in Springfield.

Testers in Springfield

Nearest in-person tester to Springfield

The closest CARB-credentialed Clean Truck Check tester is Steven Taylor in Dayton, Ohio — about 22 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Clark 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
69
Trucking employees
1,515

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

Freight corridors near Springfield

Springfield sits on I-675, I-70, US-36, US-40, US-42 and US-68. 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 Springfield. Useful for routing a service stop around your CTC test.

+10 more within 25 miles.

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