Orbit Mississippi Interstate speed limits
The posted limits on every Interstate in Mississippi, 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 Mississippi is 70 mph.
| Interstate | Usually | Range |
|---|---|---|
| I-10 | 70 mph | 70 mph |
| I-20 | 70 mph | 60 to 70 mph |
| I-22 | 70 mph | 60 to 70 mph |
| I-55 | 70 mph | 60 to 70 mph |
| I-59 | 70 mph | 60 to 70 mph |
| I-69 | 70 mph | 70 mph |
| I-110 | 55 mph | 55 mph |
| I-220 | 70 mph | 70 mph |
| I-269 | 70 mph | 70 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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