Clean Truck Check Credentialed Tester

Clean Truck Check in Moulton, AL

1 credentialed tester in Moulton.

Testers in Moulton

Nearest in-person tester to Moulton

The closest CARB-credentialed Clean Truck Check tester is Velocity Truck in Nashville, Tennessee — about 120 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Lawrence 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
15
Trucking employees
73

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

Freight corridors near Moulton

Moulton sits on US-72-Alternate, AL-157, AL-20 and AL-24. 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 Moulton. Useful for routing a service stop around your CTC test.

Source: © OpenStreetMap contributors. Last updated 2026-05-27.