Clean Truck Check in Round Rock, TX

Nearest in-person tester to Round Rock

The closest CARB-credentialed Clean Truck Check tester is Anton Grytsai in Boerne, Texas — about 82 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Williamson 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

199

Trucking employees

1,184

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

Freight corridors near Round Rock

Round Rock sits on I-35, US-183, US-290, US-79, 183A-Toll and 290-Toll. 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).