Clean Truck Check Credentialed Tester

Clean Truck Check in Fort Collins, CO

1 credentialed tester in Fort Collins.

Testers in Fort Collins

Nearest in-person tester to Fort Collins

The closest CARB-credentialed Clean Truck Check tester is McCandless Truck Center Cheyenne in Cheyenne, Wyoming — about 42 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Larimer 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
110
Trucking employees
1,130

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

Freight corridors near Fort Collins

Fort Collins sits on I-25, US-287, US-34, US-34-Business, CO-14 and CO-257. 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 Fort Collins. Useful for routing a service stop around your CTC test.

+3 more within 25 miles.

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