Clean Truck Check Credentialed Tester

Clean Truck Check in St. Cloud, MN

1 credentialed tester in St. Cloud.

Testers in St. Cloud

Nearest in-person tester to St. Cloud

The closest CARB-credentialed Clean Truck Check tester is Tony's Transfer inc in Wadena, Minnesota — about 77 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Stearns 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
127
Trucking employees
1,640

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

Freight corridors near St. Cloud

St. Cloud sits on I-94, US-10, US-Highway-10, CR-75, CR-83 and MN-15. 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 St. Cloud. Useful for routing a service stop around your CTC test.

+3 more within 25 miles.

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