Clean Truck Check Credentialed Tester

Clean Truck Check in Jasper, TN

1 credentialed tester in Jasper.

Testers in Jasper

Nearest in-person tester to Jasper

The closest CARB-credentialed Clean Truck Check tester is RRR Transportation Co. in Calhoun, Georgia — about 53 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Marion 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
10
Trucking employees
66

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

Freight corridors near Jasper

Jasper sits on I-24, I-59, US-11, US-41, US-64 and US-72. 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 Jasper. Useful for routing a service stop around your CTC test.

+3 more within 25 miles.

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