Current Statewide Variable Speed Limits


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Last update at: Jun 5, 2025, 11:26 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 Jun 5, 2025, 11:26 AM
187.92 188.97 45 Jun 5, 2025, 11:26 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 Jun 5, 2025, 11:26 AM
187.92 187.21 45 Jun 5, 2025, 11:26 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 Jun 5, 2025, 10:00 AM
90.08 90.45 35 Jun 5, 2025, 10:00 AM
90.45 91.99 35 Jun 5, 2025, 10:00 AM
Between Rock Springs (mp 104.790) and Rawlins (mp 215.570) 131.41 133.93 65 Jun 5, 2025, 10:00 AM
133.93 137.55 65 Jun 5, 2025, 10:00 AM
137.55 140.09 65 Jun 5, 2025, 10:00 AM
143.14 145.44 65 Jun 5, 2025, 10:00 AM
145.44 146.51 65 Jun 5, 2025, 10:00 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) 143.14 141.62 65 Jun 5, 2025, 10:00 AM
138.89 136.37 65 Jun 5, 2025, 10:00 AM
136.37 132.49 65 Jun 5, 2025, 10:00 AM
132.49 130.32 65 Jun 5, 2025, 10:00 AM
Between Rock Springs (mp 104.790 ) and the Utah State Line (mp 0.000) 90.45 88.85 35 Jun 5, 2025, 10:00 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) 58 64.4 65 Jun 5, 2025, 11:07 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 65 Jun 5, 2025, 11:07 AM
58 48.8 65 Jun 5, 2025, 11:07 AM