In District of Columbia, any load that exceeds the legal size or weight limits requires an oversize/overweight permit before it moves. Below are the legal limits and the requirements that apply at each threshold.
1When you need a permit
A load is oversize or overweight once it passes any of these:
| Dimension | District of Columbia legal limit | Permit if over |
|---|---|---|
| Width | 8 ft 6 in | Wider |
| Height | 13 ft 6 in | Taller |
| Gross weight | 80,000 lbs | Heavier |
| Single axle | 21,000 lbs | Heavier |
| Tandem axle | 34,000 lbs | Heavier |
Freight may extend up to 3 ft beyond the front of the truck without an over-length permit.
2Escort & pilot car requirements
| Once the load is over… | District of Columbia requires |
|---|---|
| 12 ft wide | 1 escort (pilot car) |
| 15 ft wide | Police escort |
3When you can travel
- Weekend travel allowed within dimensional limits.
- Holiday blackouts: New Year's Day, Inauguration Day, Martin Luther King Jr. Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas, Emancipation Day (April 16).
5Permit timing
- Standard single-trip: ~7 business days to issue.
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?District of Columbia permit FAQ
When do I need an oversize permit in District of Columbia?
Once a load exceeds any legal limit: 8 ft 6 in wide, 13 ft 6 in high, or 80,000 lbs gross.
When do I need a pilot car in District of Columbia?
District of Columbia requires one escort over 12 ft wide, and a police escort over 15 ft wide.
Can you drive an oversize load at night in District of Columbia?
District of Columbia allows night movement in defined conditions. Weekend travel is allowed within limits.
How much does a District of Columbia oversize permit cost?
The state permit fee depends on the load's size and weight. The full cost of a move also includes escorts, police, route surveys, engineering, and the truck rate, which vary by route. FreightDeck estimates all of it for your exact load — price your District of Columbia load with FreightDeck →.
How long does it take to get an oversize permit in District of Columbia?
Routine single-trip permits usually issue in about 7 business days.
Can oversize loads move on weekends and holidays in District of Columbia?
Weekend travel is allowed within the same dimensional limits. Movement stops on New Year's Day, Inauguration Day, Martin Luther King Jr. Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas, and Emancipation Day (April 16); check the permit conditions for exact times.
How much overhang is allowed in District of Columbia?
Freight may extend up to 3 ft beyond the front of the truck without an over-length permit.
Does a District of Columbia permit cover Maryland?
No. Every state issues its own permit, and a move crossing into Maryland, or Virginia needs a separate permit there with that state's escort and travel rules. FreightDeck prices every state on the route in one quote.