Clean Truck Check Credentialed Tester

Clean Truck Check in Portageville, MO

1 credentialed tester in Portageville.

Testers in Portageville

Nearest in-person tester to Portageville

The closest CARB-credentialed Clean Truck Check tester is Carter Express, Inc. in Paragould, Arkansas — about 53 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in New Madrid 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
16
Trucking employees
446

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

Freight corridors near Portageville

Portageville sits on I-155, I-55, I-55-Bus, US-412, US-61 and US-62. 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 Portageville. Useful for routing a service stop around your CTC test.

+5 more within 25 miles.

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