Clean Truck Check in Dubuque, IA

Nearest in-person tester to Dubuque

The closest CARB-credentialed Clean Truck Check tester is Jacob Poole in Cedar Rapids, Iowa — about 63 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Dubuque 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

89

Trucking employees

3,077

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

Freight corridors near Dubuque

Dubuque sits on US-151, US-20, US-52, US-61, IA-3 and IL-35. 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 Dubuque. Useful for routing a service stop around your CTC test.

• Truck-friendly fuel stop
  HGV: yes · ~3 mi
  View on OpenStreetMap →

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