Clean Truck Check Credentialed Tester

Clean Truck Check in Kewanee, IL

1 credentialed tester in Kewanee.

Testers in Kewanee

Nearest in-person tester to Kewanee

The closest CARB-credentialed Clean Truck Check tester is Ciongas & CO in Plainfield, Illinois — about 90 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Henry 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
46
Trucking employees
229

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

Freight corridors near Kewanee

Kewanee sits on I-80, US-34, US-6, IL-17, IL-40 and IL-78. 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 Kewanee. Useful for routing a service stop around your CTC test.

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