Clean Truck Check Credentialed Tester

Clean Truck Check in Punxsutawney, PA

1 credentialed tester in Punxsutawney.

Testers in Punxsutawney

Nearest in-person tester to Punxsutawney

The closest CARB-credentialed Clean Truck Check tester is Otto Ammer in Mercer, Pennsylvania — about 67 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Jefferson 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
46
Trucking employees
328

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

Freight corridors near Punxsutawney

Punxsutawney sits on I-80, US-119, US-219, US-322, PA-210 and PA-286. 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 Punxsutawney. Useful for routing a service stop around your CTC test.

+3 more within 25 miles.

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