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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) 184.95 186.05 45 Jul 1, 2026, 09:00 AM
186.05 187.21 45 Jul 1, 2026, 09:00 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 Jul 1, 2026, 09:00 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) 4.16 5.82 65 Jul 1, 2026, 07:10 AM
5.82 6.94 45 Jul 1, 2026, 07:10 AM
Between Rock Springs (mp 104.790) and Rawlins (mp 215.570) 140.09 143.14 65 Jul 1, 2026, 07:10 AM
143.14 145.44 65 Jul 1, 2026, 07:10 AM
145.44 146.51 65 Jul 1, 2026, 07:10 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) 146.51 143.14 65 Jul 1, 2026, 07:10 AM
143.14 141.62 65 Jul 1, 2026, 07:10 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

No reduced speed limits in effect.


Wyoming Highway 28 - Westbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time

No reduced speed limits in effect.