Clean Truck Check Credentialed Tester

Clean Truck Check in Cumberland, MD

1 credentialed tester in Cumberland.

Testers in Cumberland

Nearest in-person tester to Cumberland

The closest CARB-credentialed Clean Truck Check tester is RASHNAT Consulting in Hagerstown, Maryland — about 57 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Allegany 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
26
Trucking employees
307

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

Freight corridors near Cumberland

Cumberland sits on I-68, US-220, US-40, US-40-Alternate, MD-144 and MD-36. 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 Cumberland. Useful for routing a service stop around your CTC test.

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