Clean Truck Check in Guttenberg, IA

Nearest in-person tester to Guttenberg

The closest CARB-credentialed Clean Truck Check tester is Jacob Poole in Cedar Rapids, Iowa — about 65 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Clayton 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

29

Trucking employees

97

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

Freight corridors near Guttenberg

Guttenberg sits on US-18, US-52, IA-128, IA-13, IA-3 and WI-133. 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).