Clean Truck Check Credentialed Tester

Clean Truck Check in New London, WI

1 credentialed tester in New London.

Testers in New London

Nearest in-person tester to New London

The closest CARB-credentialed Clean Truck Check tester is DOT Truck and Trailer Repair Co in Big Bend, Wisconsin — about 108 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Waupaca 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
31
Trucking employees
277

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

Freight corridors near New London

New London sits on US-10, US-45, CTH-A, CTH-B, CTH-D and CTH-H. 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 New London. Useful for routing a service stop around your CTC test.

+2 more within 25 miles.

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