Clean Truck Check Credentialed Tester

Clean Truck Check in Durham, NC

1 credentialed tester in Durham.

Testers in Durham

Nearest in-person tester to Durham

The closest CARB-credentialed Clean Truck Check tester is United Diesel Inc in Mebane, North Carolina — about 21 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Durham 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
100
Trucking employees
1,181

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

Freight corridors near Durham

Durham sits on I-40, I-540, I-85, I-885, US-15 and US-15-Business. 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 Durham. Useful for routing a service stop around your CTC test.

+3 more within 25 miles.

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