Clean Truck Check Credentialed Tester

Clean Truck Check in Muscatine, IA

1 credentialed tester in Muscatine.

Testers in Muscatine

Nearest in-person tester to Muscatine

The closest CARB-credentialed Clean Truck Check tester is Jacob Poole in Cedar Rapids, Iowa — about 48 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Muscatine 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
34
Trucking employees
396

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

Freight corridors near Muscatine

Muscatine sits on I-80, US-6, US-61, US-61-Business, IA-22 and IA-38. 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 Muscatine. Useful for routing a service stop around your CTC test.

+11 more within 25 miles.

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