Clean Truck Check Credentialed Tester

Clean Truck Check in Yadkinville, NC

1 credentialed tester in Yadkinville.

Testers in Yadkinville

Nearest in-person tester to Yadkinville

The closest CARB-credentialed Clean Truck Check tester is United Diesel Inc in Mebane, North Carolina — about 79 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Yadkin 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
16
Trucking employees
148

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

Freight corridors near Yadkinville

Yadkinville sits on I-40, I-77, US-158, US-21, US-21-BUS and US-21-BYP. 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 Yadkinville. Useful for routing a service stop around your CTC test.

+4 more within 25 miles.

Source: © OpenStreetMap contributors. Last updated 2026-05-27.