Clean Truck Check in Walnut Ridge, AR

Nearest in-person tester to Walnut Ridge

The closest CARB-credentialed Clean Truck Check tester is Carter Express, Inc. in Paragould, Arkansas — about 25 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Lawrence 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

16

Trucking employees

50

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

Freight corridors near Walnut Ridge

Walnut Ridge sits on I-57, US-412, US-412B, US-62, US-63 and US-63B. 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).