Clean Truck Check in Leesburg, VA

Nearest in-person tester to Leesburg

The closest CARB-credentialed Clean Truck Check tester is MEJIA'S TRANSPORT LLC in Frederick, Maryland — about 22 miles away (straight-line). Smart CTC tests over the truck’s OBD port from anywhere, with no drive and no appointment.

Trucking activity in Loudoun 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

164

Trucking employees

1,911

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

Freight corridors near Leesburg

Leesburg sits on US-15, US-15-BUS, US-50, MD-112, MD-117 and MD-118. 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 Leesburg. Useful for routing a service stop around your CTC test.

• Flower Valley Loading Dock area
  ~25 mi
  View on OpenStreetMap →

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