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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 |
No reduced speed limits in effect. |
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| 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 | 45 | Sep 14, 2025, 01:35 AM |
| Interstate 80 - Eastbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between the Utah State Line (mp 0.000) and Rock Springs (mp 104.790) | 14.59 | 19 | 65 | Sep 14, 2025, 12:23 AM |
| 88.859 | 90.08 | 45 | Sep 14, 2025, 12:23 AM | |
| 90.08 | 90.45 | 35 | Sep 14, 2025, 12:23 AM | |
| 90.45 | 91.99 | 35 | Sep 14, 2025, 12:23 AM | |
| Between Rock Springs (mp 104.790) and Rawlins (mp 215.570) | 131.41 | 133.93 | 65 | Sep 14, 2025, 12:23 AM |
| 133.93 | 137.55 | 65 | Sep 14, 2025, 12:23 AM | |
| 137.55 | 140.09 | 65 | Sep 14, 2025, 12:23 AM | |
| 143.14 | 145.44 | 65 | Sep 14, 2025, 12:23 AM | |
| 145.44 | 146.51 | 65 | Sep 14, 2025, 12:23 AM | |
| Interstate 80 - Westbound | ||||||||
|---|---|---|---|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time | ||||
| Between Rawlins (mp 215.570 ) and Rock Springs (mp 104.790) | 146.51 | 143.14 | 65 | Sep 14, 2025, 12:23 AM | ||||
| 143.14 | 141.62 | 65 | Sep 14, 2025, 12:23 AM | |||||
| 141.62 | 138.89 | 65 | Sep 14, 2025, 12:23 AM | |||||
| 138.89 | 136.37 | 65 | Sep 14, 2025, 12:23 AM | |||||
| 136.37 | 132.49 | 65 | Sep 14, 2025, 12:23 AM | |||||
| 132.49 | 130.32 | 65 | Sep 14, 2025, 12:23 AM | |||||
| Between Rock Springs (mp 104.790 ) and the Utah State Line (mp 0.000) | 90.45 | 88.85 | 35 | Sep 14, 2025, 12:23 AM | ||||
| Interstate 90 - Eastbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
No reduced speed limits in effect. |
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| Interstate 90 - Westbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
No reduced speed limits in effect. |
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| 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) | 30.43 | 35 | 65 | Sep 14, 2025, 01:36 AM |
| 35 | 41.34 | 65 | Sep 14, 2025, 01:36 AM | |
| 41.34 | 47.04 | 65 | Sep 14, 2025, 01:36 AM | |
| 47.04 | 49.15 | 65 | Sep 14, 2025, 01:36 AM | |
| 49.15 | 58 | 65 | Sep 14, 2025, 01:36 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) | 48.8 | 46.7 | 65 | Sep 14, 2025, 01:36 AM |
| 46.7 | 41.34 | 65 | Sep 14, 2025, 01:36 AM | |
| 41.34 | 35 | 65 | Sep 14, 2025, 01:36 AM | |
| 35 | 30.43 | 65 | Sep 14, 2025, 01:36 AM | |
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