Clean Truck Check in Sierra Vista, AZ

Nearest in-person tester to Sierra Vista

The closest CARB-credentialed Clean Truck Check tester is GALLEGOS TRANPORT in NOGALES, Arizona — about 39 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Cochise 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

42

Trucking employees

295

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

Freight corridors near Sierra Vista

Sierra Vista sits on AZ-82, AZ-90 and AZ-92. 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).