Current Statewide Variable Speed Limits


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Interstate 25 - Northbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time

No reduced speed limits in effect.


Interstate 25 - Southbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time

No reduced speed limits in effect.


Interstate 80 - Eastbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time

No reduced speed limits in effect.



Interstate 80 - Westbound
Location From Milepost To Milepost Speed Limit (MPH) Date/Time
Between Cheyenne (mp 359.580 ) and Laramie (mp 313.200) 322.6 318.5 55 Jan 6, 2026, 05:30 AM
Between Rock Springs (mp 104.790 ) and the Utah State Line (mp 0.000) 90.45 88.85 50 Jan 6, 2026, 05:28 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 45 Jan 6, 2026, 05:22 AM
35 41.34 45 Jan 6, 2026, 05:22 AM
41.34 47.04 55 Jan 6, 2026, 05:22 AM
47.04 49.15 65 Jan 6, 2026, 05:22 AM
49.15 58 65 Jan 6, 2026, 05:22 AM
58 64.4 65 Jan 6, 2026, 05:22 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 Jan 6, 2026, 05:22 AM
58 48.8 65 Jan 6, 2026, 05:22 AM
48.8 46.7 65 Jan 6, 2026, 05:22 AM
46.7 41.34 55 Jan 6, 2026, 05:22 AM
41.34 35 45 Jan 6, 2026, 05:22 AM
35 30.43 45 Jan 6, 2026, 05:22 AM