Clean Truck Check Credentialed Tester

Clean Truck Check in Pueblo, CO

1 credentialed tester in Pueblo.

Testers in Pueblo

Nearest in-person tester to Pueblo

The closest CARB-credentialed Clean Truck Check tester is Jonny’s Diesel Service in Denver, Colorado — about 101 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Pueblo 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
48
Trucking employees
293

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

Freight corridors near Pueblo

Pueblo sits on I-25, US-50, US-50-Bus, US-50-Business, CO-45 and CO-47. 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 Pueblo. Useful for routing a service stop around your CTC test.

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