Overview
District of Columbia Oversize Permits
Permit Office
| Office | District of Columbia Dept. of Highway and Traffic Representative |
| Address | 941 North Capitol, Ste. 2300, Washington, D.C. 20001 |
| Contact | (202) 442-4670 |
| Hours | 9:00 A.M. – 3:00 P.M. (ET) |
Permit Basics
| Permit validity | A single trip permit is valid for one (1) trip only, usually five (5) consecutive days. |
| Operating time | 9:00 A.M. – 3:00 P.M. (ET) |
Dimensions & Weights
Legal limits
| Length | The maximum length is determined by the routes traveled. Extreme lengths will require night travel. |
| Width | The maximum width is determined by the routes traveled. Vehicles will be allowed to travel if the street can handle the width. Extreme widths will require night travel. |
| Height | The maximum height is determined by overhead clearance. Extreme height will require night travel. |
| Weight | The maximum weight allowed will be considered on a case-by-case basis and depends on where the vehicle will be traveling. No one axle can exceed 31,000 lbs. |
| Axle / group | Spacing | Weight |
|---|---|---|
| Single | — | 31,000 per axle |
| Tandem | — | 31,000 per axle |
| Tridum | — | 31,000 per axle |
| Quad | — | 31,000 per axle |
Escort Requirements
| Based on | Escorts required |
|---|---|
| Width | Over 12′: 1 Front |
| Length | 80′ or more: 1 Front |
| Height | Over 13′6″: 1 Front |
| Weight | Any axle weight over 31,000 lbs: 1 |
| Weight | Weight over 79,000 lbs: 1 Front |