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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 |
Last update at: Apr 4, 2025, 12:13 AM
| Interstate 25 - Northbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between Douglas (mp 140.090) and Casper (mp 189.490) | 187.21 | 187.92 | 45 | Apr 4, 2025, 12:12 AM |
| 187.92 | 188.97 | 45 | Apr 4, 2025, 12:12 AM | |
| Interstate 25 - Southbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
| Between Casper (mp 189.490 ) and Douglas (mp 140.090) | 189.06 | 187.92 | 45 | Apr 4, 2025, 12:12 AM |
| 187.92 | 187.21 | 45 | Apr 4, 2025, 12:12 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) | 88.859 | 90.08 | 45 | Apr 3, 2025, 10:55 PM |
| 90.08 | 90.45 | 35 | Apr 3, 2025, 10:55 PM | |
| 90.45 | 91.99 | 35 | Apr 3, 2025, 10:55 PM | |
| Between Rawlins (mp 215.570) and Laramie (mp 313.200) | 256.17 | 262.4 | 65 | Apr 4, 2025, 12:13 AM |
| 262.4 | 267.71 | 65 | Apr 4, 2025, 12:13 AM | |
| 267.71 | 273.85 | 65 | Apr 4, 2025, 12:13 AM | |
| 273.85 | 280.36 | 65 | Apr 4, 2025, 12:13 AM | |
| 280.36 | 291 | 55 | Apr 4, 2025, 12:13 AM | |
| Between Laramie (mp 313.200) and Cheyenne (mp 359.580) | 317.68 | 323.85 | 65 | Apr 4, 2025, 12:13 AM |
| 323.85 | 325.82 | 55 | Apr 4, 2025, 12:13 AM | |
| 325.82 | 329.88 | 50 | Apr 4, 2025, 12:13 AM | |
| 329.88 | 333.32 | 50 | Apr 4, 2025, 12:13 AM | |
| 333.32 | 336.16 | 50 | Apr 4, 2025, 12:13 AM | |
| 336.16 | 339.86 | 45 | Apr 4, 2025, 12:13 AM | |
| 339.86 | 343.24 | 45 | Apr 4, 2025, 12:13 AM | |
| 343.24 | 345.9 | 30 | Apr 4, 2025, 12:13 AM | |
| 345.9 | 349.15 | 30 | Apr 4, 2025, 12:13 AM | |
| 349.15 | 353.5 | 60 | Apr 4, 2025, 12:13 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 | 55 | Apr 4, 2025, 12:13 AM | ||||
| 347.69 | 344.69 | 35 | Apr 4, 2025, 12:13 AM | |||||
| 344.69 | 341.6 | 45 | Apr 4, 2025, 12:13 AM | |||||
| 341.6 | 338.1 | 45 | Apr 4, 2025, 12:13 AM | |||||
| 338.1 | 334.3 | 45 | Apr 4, 2025, 12:13 AM | |||||
| 334.3 | 332.29 | 50 | Apr 4, 2025, 12:13 AM | |||||
| 332.29 | 328.74 | 50 | Apr 4, 2025, 12:13 AM | |||||
| 328.74 | 325.78 | 50 | Apr 4, 2025, 12:13 AM | |||||
| 325.78 | 322.6 | 55 | Apr 4, 2025, 12:13 AM | |||||
| 322.6 | 318.5 | 45 | Apr 4, 2025, 12:13 AM | |||||
| 318.5 | 316 | 65 | Apr 4, 2025, 12:13 AM | |||||
| Between Laramie (mp 313.200 ) and Rawlins (mp 215.570) | 289.5 | 279.36 | 55 | Apr 4, 2025, 12:13 AM | ||||
| 279.36 | 271.8 | 65 | Apr 4, 2025, 12:13 AM | |||||
| 271.8 | 266.58 | 65 | Apr 4, 2025, 12:13 AM | |||||
| 266.58 | 259.77 | 65 | Apr 4, 2025, 12:13 AM | |||||
| 259.77 | 254.87 | 65 | Apr 4, 2025, 12:13 AM | |||||
| Between Rock Springs (mp 104.790 ) and the Utah State Line (mp 0.000) | 90.45 | 88.85 | 35 | Apr 3, 2025, 10:55 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 | Apr 4, 2025, 12:01 AM |
| 37.73 | 41.33 | 55 | Apr 4, 2025, 12:01 AM | |
| 41.33 | 45.33 | 55 | Apr 4, 2025, 12:01 AM | |
| 45.33 | 47.13 | 55 | Apr 4, 2025, 12:01 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 | 55 | Apr 4, 2025, 12:01 AM |
| 44.53 | 41.33 | 55 | Apr 4, 2025, 12:01 AM | |
| 41.33 | 36.5 | 55 | Apr 4, 2025, 12:01 AM | |
| 36.5 | 34.41 | 55 | Apr 4, 2025, 12:01 AM | |
| Wyoming Highway 28 - Eastbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
No reduced speed limits in effect. |
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| Wyoming Highway 28 - Westbound | ||||
|---|---|---|---|---|
| Location | From Milepost | To Milepost | Speed Limit (MPH) | Date/Time |
No reduced speed limits in effect. |
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