Current Statewide Variable Speed Limits


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Last update at: Mar 24, 2025, 12:19 AM

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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) 187.21 187.92 45 Mar 23, 2025, 11:47 PM
187.92 188.97 45 Mar 23, 2025, 11:47 PM

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 Mar 23, 2025, 11:47 PM
187.92 187.21 45 Mar 23, 2025, 11:47 PM

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 Mar 24, 2025, 12:19 AM
90.08 90.45 35 Mar 24, 2025, 12:19 AM
90.45 91.99 35 Mar 24, 2025, 12:19 AM


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 35 Mar 24, 2025, 12:19 AM
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 Mar 24, 2025, 12:02 AM
35 41.34 45 Mar 24, 2025, 12:02 AM
41.34 47.04 45 Mar 24, 2025, 12:02 AM
47.04 49.15 65 Mar 24, 2025, 12:02 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 Mar 24, 2025, 12:02 AM
46.7 41.34 45 Mar 24, 2025, 12:02 AM
41.34 35 45 Mar 24, 2025, 12:02 AM
35 30.43 55 Mar 24, 2025, 12:02 AM