Clean Truck Check Credentialed Tester

Clean Truck Check in Lewistown, PA

1 credentialed tester in Lewistown.

Testers in Lewistown

Nearest in-person tester to Lewistown

The closest CARB-credentialed Clean Truck Check tester is TRUCK ZONE SERVICE CENTER in Milton, Pennsylvania — about 50 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Mifflin 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
35
Trucking employees
318

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

Freight corridors near Lewistown

Lewistown sits on US-22, US-22-BUS, US-22-Business, US-322, US-522 and PA-144. 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 Lewistown. Useful for routing a service stop around your CTC test.

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