Clean Truck Check Credentialed Tester

Clean Truck Check in Elizabeth, CO

1 credentialed tester in Elizabeth.

Testers in Elizabeth

Nearest in-person tester to Elizabeth

The closest CARB-credentialed Clean Truck Check tester is Ozzy Diesel Performance in Denver, Colorado — about 29 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Elbert 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
14
Trucking employees
30

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

Freight corridors near Elizabeth

Elizabeth sits on I-25, I-25-EXPR, US-85, CO-83, CO-86 and CR-1. 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 Elizabeth. Useful for routing a service stop around your CTC test.

+1 more within 25 miles.

Source: © OpenStreetMap contributors. Last updated 2026-05-27.