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Clean Truck Check Testers in District of Columbia
1 CARB-credentialed tester across 0 cities.
Testers in District of Columbia
Trucking activity in District of Columbia
FMCSA MCMIS reports 900 active motor carriers registered with operations in District of Columbia. The Clean Truck Check program reaches the heavy-duty subset that operates in California, which is why this directory exists.
Interstate carriers
480
Intrastate carriers
420
Hazmat carriers
40
Passenger carriers
75
Heavy-duty power units
1,100
Medium-duty power units
480
Source: FMCSA MCMIS Registration Statistics. Snapshot 2024-10-01. Last fetched 2026-05-18.