Clean Truck Check in St. Marys, PA

Nearest in-person tester to St. Marys

The closest CARB-credentialed Clean Truck Check tester is Otto Ammer in Mercer, Pennsylvania — about 90 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Elk 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

21

Trucking employees

237

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

Freight corridors near St. Marys

St. Marys sits on US-219, US-219-Truck, PA-120, PA-255, PA-948 and PA-949. 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).