Clean Truck Check in Sioux Center, IA

Nearest in-person tester to Sioux Center

The closest CARB-credentialed Clean Truck Check tester is Ernest Yurkoits in Sioux Falls, South Dakota — about 43 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Sioux 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

121

Trucking employees

390

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

Freight corridors near Sioux Center

Sioux Center sits on US-18, US-75, CR-L14, IA-10 and IA-60. 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 Sioux Center. Useful for routing a service stop around your CTC test.

• Love's Travel Stop
  Love's · ~21 mi
  View on OpenStreetMap →

+1 more within 25 miles.

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