Washington, D.C. CMV Compliance Guide
DC DOT regulations for commercial motor vehicles
DC DMV Commercial CarriersOfficial DC DOT websiteOverview
DC DMV and the Metropolitan Police Department handle commercial vehicle enforcement within the District. As the nation's capital, DC has extensive truck routing restrictions, security zones, and weight limits. Commercial vehicle operations in DC are heavily regulated to protect infrastructure and maintain security.
Inspection & Enforcement Program
DC MPD and DC DMV conduct commercial vehicle inspections within the District. Inspections are typically conducted at fixed locations and during targeted enforcement operations. DC participates in multi-jurisdictional enforcement with Maryland and Virginia.
Weight Limits & Oversize/Overweight
DC follows federal weight limits on the Interstate highways passing through the District (I-66, I-395, I-295). On local streets, DC has a 26,000 lb GVW limit for most streets. Trucks over 9,000 lbs may only operate on designated truck routes. The District has numerous bridges with posted weight restrictions.
Washington, D.C.-Specific Requirements
- DC restricts trucks over 9,000 lbs to designated truck routes. Off-route violations carry significant fines.
- Security-restricted zones around the White House, Capitol, and federal buildings prohibit or restrict commercial vehicle access.
- DC has a 26,000 lb GVW limit on most local streets (lower than most cities).
- The District enforces strict anti-idling regulations: 3 minutes maximum for commercial vehicles.
- DC requires a specific commercial vehicle registration for vehicles operating within the District.
Contact
DC DMV Commercial Vehicles: (202) 737-4404
Federal Requirements That Apply in Washington, D.C.
In addition to Washington, D.C.-specific regulations, all federal DOT and FMCSA requirements apply to commercial vehicles operating in DC. These guides cover each federal requirement in detail:
This information is provided as a general reference. State regulations change frequently. Always verify current requirements with the Washington, D.C. DOT or your compliance advisor before relying on any information presented here.