Clean Truck Check Credentialed Tester

Clean Truck Check in Sumter, SC

1 credentialed tester in Sumter.

Testers in Sumter

Nearest in-person tester to Sumter

The closest CARB-credentialed Clean Truck Check tester is Noor Express LLC in Myrtle Beach, South Carolina — about 88 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Sumter 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
34
Trucking employees
542

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

Freight corridors near Sumter

Sumter sits on US-15, US-378, US-401, US-521, US-76 and US-76-Business. 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 Sumter. Useful for routing a service stop around your CTC test.

+4 more within 25 miles.

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