Orbit District of Columbia Interstate speed limits
The posted limits on every Interstate in District of Columbia, measured along each road: the limit you'll see most, and the range from the slowest stretch to the fastest. The highest Interstate limit in District of Columbia is 55 mph.
| Interstate | Usually | Range |
|---|---|---|
| I-66 | 40 mph | 40 to 50 mph |
| I-95 | 55 mph | 55 mph |
| I-295 | 50 mph | 50 mph |
| I-395 | 45 mph | 40 to 55 mph |
| I-495 | 55 mph | 55 mph |
| I-695 | 50 mph | 40 to 50 mph |
Posted limits as of October 2026, from state and federal road data and © OpenStreetMap contributors, measured by length of road. Work zones, weather and signs can set a lower limit; always follow the posted sign.
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