Clean Truck Check in Clifton, AZ

Nearest in-person tester to Clifton

The closest CARB-credentialed Clean Truck Check tester is Alpha Fleet Services in Tucson, Arizona — about 112 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Freight corridors near Clifton

Clifton sits on US-191, US-191-Temp, AZ-75 and AZ-78. 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).