Clean Truck Check in Marmarth, ND

Nearest in-person tester to Marmarth

The closest CARB-credentialed Clean Truck Check tester is McCandless Truck Center Cheyenne in Cheyenne, Wyoming — about 360 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Slope 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

5

Trucking employees

8

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

Freight corridors near Marmarth

Marmarth sits on US-12. 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).