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Virginiaoperating inDistrict of Columbia
Permits Honored — recognizes your home-state oversize/overweight permit

District of Columbia

Interstate GVW
80,000 lbs
Height Limit
13 ft 6 in
Width Limit
8 ft 6 in
Permits Honored
Yes

Weight Limits

District of Columbia interstate GVW limit: 80,000 lbs. Per-axle limits: Single axle 20,000 lbs, Tandem axle 34,000 lbs, Tridem axle 42,000 lbs. Federal bridge formula applies. Enforcement tolerance: No tolerance; urban environment requires strict compliance.

Size Limits

Height: 13 ft 6 in. Width: 8 ft 6 in. Trailer length: 53 ft (semitrailer on designated routes). Overall combination length: 55 ft combination on most streets.

Oversize/Overweight Permits

Special hauling permits required for oversize/overweight vehicles; contact DDOT Fees: Single-trip: $50+; varies by load. Virginia oversize/overweight permits are honored under reciprocal agreements. Verify specific terms before travel. Apply online: https://ddot.dc.gov/page/truck-and-bus-route-map Enforcement: Strict enforcement on truck routes; significant fines for off-route violations.

Official Source

For the most current weight and size regulations, permit applications, and seasonal restriction updates, visit the official District of Columbia DOT page at https://ddot.dc.gov/page/truck-and-bus-route-map. Contact the District Department of Transportation for specific routing questions.

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Law last updated: 2025Row last reviewed: May 7, 2026

Weight and size limits are subject to change. Always verify current limits on the official state DOT website before travel. Seasonal restrictions, bridge postings, and local ordinances may further reduce allowable weights. Data reflects 2025-2026 regulations where available.