Clean Truck Check in Helena, MT

Nearest in-person tester to Helena

The closest CARB-credentialed Clean Truck Check tester is Western Transport inc. in Idaho Falls, Idaho — about 218 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Lewis and Clark 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

36

Trucking employees

212

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

Freight corridors near Helena

Helena sits on I-15, I-15-Bus, US-12, US-287, CR-430 and MT-229. 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).