Clean Truck Check Credentialed Tester

Clean Truck Check in Wathena, KS

1 credentialed tester in Wathena.

Testers in Wathena

Nearest in-person tester to Wathena

The closest CARB-credentialed Clean Truck Check tester is SCOTT MILLER in Kansas City, Kansas — about 48 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Doniphan 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
18
Trucking employees
136

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

Freight corridors near Wathena

Wathena sits on I-229, I-29, I-29-Business, US-169, US-36 and US-59. 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 Wathena. Useful for routing a service stop around your CTC test.

+4 more within 25 miles.

Source: © OpenStreetMap contributors. Last updated 2026-05-27.