Clean Truck Check Credentialed Tester

Clean Truck Check in Gann Valley, SD

1 credentialed tester in Gann Valley.

Testers in Gann Valley

Nearest in-person tester to Gann Valley

The closest CARB-credentialed Clean Truck Check tester is Dakota Carriers in Sioux Falls, South Dakota — about 114 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Freight corridors near Gann Valley

Gann Valley sits on SD-34 and SD-45. 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 Gann Valley. Useful for routing a service stop around your CTC test.

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