Clean Truck Check Credentialed Tester

Clean Truck Check in Independence, IA

1 credentialed tester in Independence.

Testers in Independence

Nearest in-person tester to Independence

The closest CARB-credentialed Clean Truck Check tester is Jacob Poole in Cedar Rapids, Iowa — about 38 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Buchanan 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
37
Trucking employees
163

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

Freight corridors near Independence

Independence sits on I-380, US-20, CR-D22, IA-150, IA-187 and IA-27. 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 Independence. Useful for routing a service stop around your CTC test.

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