Current Statewide Variable Speed Limits


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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 45 Feb 19, 2026, 03:45 PM
183.15 184.95 45 Feb 19, 2026, 03:45 PM
184.95 186.05 45 Feb 19, 2026, 03:45 PM
186.05 187.21 45 Feb 19, 2026, 03:45 PM
187.21 187.92 45 Feb 19, 2026, 03:45 PM
187.92 188.97 45 Feb 19, 2026, 03:45 PM
188.97 188.97 45 Feb 19, 2026, 03:45 PM

Interstate 25 - Southbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time
Between Buffalo (mp 300.540 ) and Casper (mp 189.490) 190.14 189.06 45 Feb 19, 2026, 03:45 PM
Between Casper (mp 189.490 ) and Douglas (mp 140.090) 189.06 187.92 45 Feb 19, 2026, 03:45 PM
187.92 187.21 45 Feb 19, 2026, 03:45 PM
187.21 186 45 Feb 19, 2026, 03:45 PM
186 184.69 45 Feb 19, 2026, 03:45 PM
184.69 181.67 45 Feb 19, 2026, 03:45 PM
181.67 180.5 45 Feb 19, 2026, 03:45 PM

Interstate 80 - Eastbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time
Between Rawlins (mp 215.570) and Laramie (mp 313.200) 256.17 262.4 65 Feb 19, 2026, 03:53 PM
262.4 267.71 65 Feb 19, 2026, 03:53 PM


Interstate 80 - Westbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time
Between Laramie (mp 313.200 ) and Rawlins (mp 215.570) 266.58 259.77 65 Feb 19, 2026, 03:53 PM
259.77 254.87 65 Feb 19, 2026, 03:53 PM
Between Rock Springs (mp 104.790 ) and the Utah State Line (mp 0.000) 90.45 88.85 50 Feb 19, 2026, 03:50 PM
Interstate 90 - Eastbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time

No reduced speed limits in effect.


Interstate 90 - Westbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time

No reduced speed limits in effect.


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 55 Feb 19, 2026, 03:55 PM
35 41.34 55 Feb 19, 2026, 03:55 PM
41.34 47.04 45 Feb 19, 2026, 03:55 PM
47.04 49.15 45 Feb 19, 2026, 03:55 PM
49.15 58 55 Feb 19, 2026, 03:55 PM
58 64.4 55 Feb 19, 2026, 03:55 PM

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 Feb 19, 2026, 03:55 PM
58 48.8 55 Feb 19, 2026, 03:55 PM
48.8 46.7 45 Feb 19, 2026, 03:55 PM
46.7 41.34 45 Feb 19, 2026, 03:55 PM
41.34 35 55 Feb 19, 2026, 03:55 PM
35 30.43 55 Feb 19, 2026, 03:55 PM