Clean Truck Check Credentialed Tester

Clean Truck Check in Rockwall, TX

1 credentialed tester in Rockwall.

Testers in Rockwall

Nearest in-person tester to Rockwall

The closest CARB-credentialed Clean Truck Check tester is Lone Star Tire Diesel Service in Dallas, Texas — about 23 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Rockwall 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
58
Trucking employees
636

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

Freight corridors near Rockwall

Rockwall sits on I-30, I-635, US-67, US-80, FM-148 and FM-544. 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 Rockwall. Useful for routing a service stop around your CTC test.

+15 more within 25 miles.

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