Clean Truck Check Credentialed Tester

Clean Truck Check in Big Spring, TX

1 credentialed tester in Big Spring.

Testers in Big Spring

Nearest in-person tester to Big Spring

The closest CARB-credentialed Clean Truck Check tester is TA Truck Serivce in Weatherford, Texas — about 219 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Howard 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
24
Trucking employees
77

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

Freight corridors near Big Spring

Big Spring sits on I-20, I-20-Bus, US-87, US-87-Bus, FM-461 and FM-700. 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 Big Spring. Useful for routing a service stop around your CTC test.

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