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Current Statewide Variable Speed Limits
| Frequently Asked Questions |
Closures & Advisories Search Conditions By Map Search By City Search By Route Search By District Chain Law Neighboring States |
| Interstate 25 - Northbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between Douglas (mp 140.090) and Casper (mp 189.490) | 180.5 | 183.15 | 65 | Jan 16, 2026, 11:40 AM |
| 183.15 | 184.95 | 65 | Jan 16, 2026, 11:40 AM | |
| Interstate 25 - Southbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between Casper (mp 189.490 ) and Douglas (mp 140.090) | 184.69 | 181.67 | 65 | Jan 16, 2026, 11:40 AM |
| 181.67 | 180.5 | 65 | Jan 16, 2026, 11:40 AM | |
| Interstate 80 - Eastbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
No reduced speed limits in effect. |
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| Interstate 80 - Westbound | ||||||||
|---|---|---|---|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time | ||||
| Between Rock Springs (mp 104.790 ) and the Utah State Line (mp 0.000) | 90.45 | 88.85 | 50 | Jan 16, 2026, 11:25 AM | ||||
| 23.35 | 20.95 | 45 | Jan 16, 2026, 11:25 AM | |||||
| Interstate 90 - Eastbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between Sheridan (mp 23.150) and Buffalo (mp 56.830) | 34.41 | 37.73 | 65 | Jan 16, 2026, 11:15 AM |
| 37.73 | 41.33 | 65 | Jan 16, 2026, 11:15 AM | |
| 41.33 | 45.33 | 65 | Jan 16, 2026, 11:15 AM | |
| 45.33 | 47.13 | 65 | Jan 16, 2026, 11:15 AM | |
| Interstate 90 - Westbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between Buffalo (mp 56.830 ) and Sheridan (mp 23.150) | 47.13 | 44.53 | 65 | Jan 16, 2026, 11:15 AM |
| 44.53 | 41.33 | 65 | Jan 16, 2026, 11:15 AM | |
| 41.33 | 36.5 | 65 | Jan 16, 2026, 11:15 AM | |
| 36.5 | 34.41 | 65 | Jan 16, 2026, 11:15 AM | |
| Wyoming Highway 28 - Eastbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between Farson (mp 28.230) and US 287 (mp 94.170) | 47.04 | 49.15 | 55 | Jan 16, 2026, 11:20 AM |
| 49.15 | 58 | 55 | Jan 16, 2026, 11:20 AM | |
| 58 | 64.4 | 55 | Jan 16, 2026, 11:20 AM | |
| Wyoming Highway 28 - Westbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between US 287 (mp 94.170 ) and Farson (mp 28.230) | 62.3 | 58 | 55 | Jan 16, 2026, 11:20 AM |
| 58 | 48.8 | 55 | Jan 16, 2026, 11:20 AM | |
| 48.8 | 46.7 | 55 | Jan 16, 2026, 11:20 AM | |
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