Clean Truck Check in Huntsville, AL

Nearest in-person tester to Huntsville

The closest CARB-credentialed Clean Truck Check tester is RRR Transportation Co. in Calhoun, Georgia — about 97 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Madison 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

77

Trucking employees

641

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

Freight corridors near Huntsville

Huntsville sits on I-565, US-231, US-431, US-72, US-72-Alt and US-72-Alternate. 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 Huntsville. Useful for routing a service stop around your CTC test.

• Buc-ee's
  Buc-ee's · HGV: no · ~17 mi
  View on OpenStreetMap →
• Pilot Travel Center
  3240 Point Mallard Parkway Southeast, Priceville, AL 35603
  Pilot · HGV: yes · ~19 mi
  View on OpenStreetMap →

+2 more within 25 miles.

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