Clean Truck Check Credentialed Tester

Clean Truck Check in Crystal Springs, MS

1 credentialed tester in Crystal Springs.

Testers in Crystal Springs

Nearest in-person tester to Crystal Springs

The closest CARB-credentialed Clean Truck Check tester is Kenan Advantage Group in Saint Gabriel, Louisiana — about 128 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Copiah 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
19
Trucking employees
210

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

Freight corridors near Crystal Springs

Crystal Springs sits on I-55, US-51, MS-27 and MS-801. 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 Crystal Springs. Useful for routing a service stop around your CTC test.

+5 more within 25 miles.

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