Clean Truck Check Credentialed Tester

Clean Truck Check in Grand Forks, ND

1 credentialed tester in Grand Forks.

Testers in Grand Forks

Nearest in-person tester to Grand Forks

The closest CARB-credentialed Clean Truck Check tester is Tony's Transfer inc in Wadena, Minnesota — about 138 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Grand Forks 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
58
Trucking employees
840

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

Freight corridors near Grand Forks

Grand Forks sits on I-29, US-2, US-2-BUS, US-2-Business, US-81 and US-81-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 Grand Forks. Useful for routing a service stop around your CTC test.

+1 more within 25 miles.

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