Clean Truck Check Credentialed Tester

Clean Truck Check in Morris, IL

1 credentialed tester in Morris.

Testers in Morris

Nearest in-person tester to Morris

The closest CARB-credentialed Clean Truck Check tester is Merx Truck & Trailer Inc in Channahon, Illinois — about 14 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Grundy 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
65
Trucking employees
1,829

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

Freight corridors near Morris

Morris sits on I-55, I-80, US-52, US-6, US-66-Hist and IL-47. 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 Morris. Useful for routing a service stop around your CTC test.

+15 more within 25 miles.

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