Clean Truck Check Credentialed Tester

Clean Truck Check in DeKalb, IL

1 credentialed tester in DeKalb.

Testers in DeKalb

Nearest in-person tester to DeKalb

The closest CARB-credentialed Clean Truck Check tester is Highway Truck and Trailer in Elgin, Illinois — about 23 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in DeKalb 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
67
Trucking employees
188

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

Freight corridors near DeKalb

DeKalb sits on I-39, I-88, US-30, US-51, IL-110 and IL-23. 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 DeKalb. Useful for routing a service stop around your CTC test.

+14 more within 25 miles.

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