District of Columbia Oversize & Overweight Permit Requirements & Rules (2026)

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

2Escort & pilot car requirements

When the load reaches…	District of Columbia requires
12 ft wide	1 escort (pilot car)
999 ft wide	2 escorts
999 ft high	Escort with a height pole / pole car
999 ft long	1 escort
12 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).

4Superloads in District of Columbia

A load is a superload once it exceeds any of these:

Superload trigger	Threshold
Length	75 ft
Gross weight	120,000 lbs

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Note: these requirements are for planning and are verified as of May 2026. Rules change — always confirm with the state permitting authority before dispatch.

?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 at 12 ft wide (two at 999 ft), a height pole at 999 ft high, and a police escort at 12 ft wide.

Can you drive an oversize load at night in District of Columbia?

Travel windows are set on the permit in District of Columbia.

What counts as a superload in District of Columbia?

Over , 75 ft long, or 120,000 lbs gross. It requires a route survey.

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 →.