Clean Truck Check Credentialed Tester

Clean Truck Check in Annapolis, MD

1 credentialed tester in Annapolis.

Testers in Annapolis

Nearest in-person tester to Annapolis

The closest CARB-credentialed Clean Truck Check tester is TA Aftertreatment in Dundalk, Maryland — about 19 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Anne Arundel 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
184
Trucking employees
3,513

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

Freight corridors near Annapolis

Annapolis sits on I-97, US-301, US-50, MD-10, MD-100 and MD-170. 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 Annapolis. Useful for routing a service stop around your CTC test.

+2 more within 25 miles.

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