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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 | 70 | Dec 3, 2025, 12:09 AM |
| 183.15 | 184.95 | 70 | Dec 3, 2025, 12:09 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 | 70 | Dec 3, 2025, 12:09 AM |
| 181.67 | 180.5 | 70 | Dec 3, 2025, 12:09 AM | |
| Interstate 80 - Eastbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between Rawlins (mp 215.570) and Laramie (mp 313.200) | 238.8 | 246.7 | 55 | Dec 3, 2025, 12:03 AM |
| 246.7 | 250 | 55 | Dec 3, 2025, 12:03 AM | |
| 250 | 256.17 | 55 | Dec 3, 2025, 12:03 AM | |
| 256.17 | 262.4 | 55 | Dec 3, 2025, 12:03 AM | |
| 262.4 | 267.71 | 55 | Dec 3, 2025, 12:03 AM | |
| 267.71 | 273.85 | 55 | Dec 3, 2025, 12:03 AM | |
| 273.85 | 280.36 | 65 | Dec 3, 2025, 12:03 AM | |
| 280.36 | 291 | 65 | Dec 3, 2025, 12:03 AM | |
| Between Laramie (mp 313.200) and Cheyenne (mp 359.580) | 336.16 | 339.86 | 65 | Dec 3, 2025, 12:03 AM |
| 339.86 | 343.24 | 65 | Dec 3, 2025, 12:03 AM | |
| 343.24 | 345.9 | 65 | Dec 3, 2025, 12:03 AM | |
| 345.9 | 349.15 | 65 | Dec 3, 2025, 12:03 AM | |
| 349.15 | 353.5 | 65 | Dec 3, 2025, 12:03 AM | |
| Interstate 80 - Westbound | ||||||||
|---|---|---|---|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time | ||||
| Between Cheyenne (mp 359.580 ) and Laramie (mp 313.200) | 353 | 347.69 | 65 | Dec 3, 2025, 12:03 AM | ||||
| 347.69 | 344.69 | 65 | Dec 3, 2025, 12:03 AM | |||||
| 344.69 | 341.6 | 65 | Dec 3, 2025, 12:03 AM | |||||
| 341.6 | 338.1 | 65 | Dec 3, 2025, 12:03 AM | |||||
| 338.1 | 334.3 | 65 | Dec 3, 2025, 12:03 AM | |||||
| Between Laramie (mp 313.200 ) and Rawlins (mp 215.570) | 289.5 | 279.36 | 65 | Dec 3, 2025, 12:03 AM | ||||
| 279.36 | 271.8 | 65 | Dec 3, 2025, 12:03 AM | |||||
| 271.8 | 266.58 | 55 | Dec 3, 2025, 12:03 AM | |||||
| 266.58 | 259.77 | 55 | Dec 3, 2025, 12:03 AM | |||||
| 259.77 | 254.87 | 55 | Dec 3, 2025, 12:03 AM | |||||
| 254.87 | 250 | 55 | Dec 3, 2025, 12:03 AM | |||||
| 250 | 246.7 | 55 | Dec 3, 2025, 12:03 AM | |||||
| 246.7 | 237.7 | 55 | Dec 3, 2025, 12:03 AM | |||||
| Between Rawlins (mp 215.570 ) and Rock Springs (mp 104.790) | 132.49 | 130.32 | 65 | Dec 2, 2025, 11:12 PM | ||||
| Between Rock Springs (mp 104.790 ) and the Utah State Line (mp 0.000) | 90.45 | 88.85 | 50 | Dec 2, 2025, 11:12 PM | ||||
| 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 | 55 | Dec 2, 2025, 11:43 PM |
| 37.73 | 41.33 | 55 | Dec 2, 2025, 11:43 PM | |
| 41.33 | 45.33 | 55 | Dec 2, 2025, 11:43 PM | |
| 45.33 | 47.13 | 55 | Dec 2, 2025, 11:43 PM | |
| 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 | 55 | Dec 2, 2025, 11:43 PM |
| 44.53 | 41.33 | 55 | Dec 2, 2025, 11:43 PM | |
| 41.33 | 36.5 | 55 | Dec 2, 2025, 11:43 PM | |
| 36.5 | 34.41 | 55 | Dec 2, 2025, 11:43 PM | |
| 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 | 45 | Dec 3, 2025, 12:09 AM |
| 35 | 41.34 | 45 | Dec 3, 2025, 12:09 AM | |
| 41.34 | 47.04 | 45 | Dec 3, 2025, 12:09 AM | |
| 47.04 | 49.15 | 35 | Dec 3, 2025, 12:09 AM | |
| 49.15 | 58 | 45 | Dec 3, 2025, 12:09 AM | |
| 58 | 64.4 | 45 | Dec 3, 2025, 12:09 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 | 45 | Dec 3, 2025, 12:09 AM |
| 58 | 48.8 | 45 | Dec 3, 2025, 12:09 AM | |
| 48.8 | 46.7 | 35 | Dec 3, 2025, 12:09 AM | |
| 46.7 | 41.34 | 45 | Dec 3, 2025, 12:09 AM | |
| 41.34 | 35 | 45 | Dec 3, 2025, 12:09 AM | |
| 35 | 30.43 | 45 | Dec 3, 2025, 12:09 AM | |
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