Clean Truck Check Credentialed Tester

Clean Truck Check in Rio Grande City, TX

1 credentialed tester in Rio Grande City.

Testers in Rio Grande City

Nearest in-person tester to Rio Grande City

The closest CARB-credentialed Clean Truck Check tester is MERLIN FLEET SERVICES in Pharr, Texas — about 41 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Starr 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
17
Trucking employees
212

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

Freight corridors near Rio Grande City

Rio Grande City sits on US-83, FM-755, MEX-2 and MEX-2D. 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).