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Travel information for Interstate 90 is as follows:

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Variable Speed Limits
Chain Law
Neighboring States

District Comments
District 4 (Northeast)


Conditions
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
Sheridan
NWS Forecast
Between the Montana State Line and Ranchester Slick with Fog None None Dec 6, 2025, 11:05 PM    
Between Ranchester and Sheridan Slick with Snowfall, Fog None None Dec 6, 2025, 11:05 PM    
Between Sheridan and Exit 44, Piney Creek Rd Slick with Snowfall, Fog, Limited Visibility None None Dec 6, 2025, 11:05 PM    
Buffalo
NWS Forecast
Between Exit 44, Piney Creek Rd and Buffalo Slick with Snowfall, Fog, Limited Visibility None None Dec 6, 2025, 11:05 PM    
Between Buffalo and the Johnson/Campbell County Line Slick in Spots with Fog None None Dec 6, 2025, 11:05 PM    
Gillette
NWS Forecast
Between the Johnson/Campbell County Line and Gillette Slick with Snowfall, Fog Black Ice None Dec 6, 2025, 11:05 PM    
Between Gillette and Rozet Slick with Snowfall, Fog None None Dec 6, 2025, 11:05 PM    
Moorcroft
NWS Forecast
Between Rozet and Moorcroft Wet with Rain None None Dec 6, 2025, 11:05 PM    
Between Moorcroft and Exit 165, Pine Ridge Rd Dry None None Dec 6, 2025, 11:05 PM    
Sundance
NWS Forecast
Between Exit 165, Pine Ridge Rd and Sundance Dry None None Dec 6, 2025, 11:05 PM    
EASTBOUND between Sundance and the South Dakota State Line Dry None None Dec 6, 2025, 11:05 PM    
WESTBOUND between Sundance and the South Dakota State Line Dry None I 90/US 14 from milepost 205.700 to 206.100
Height restriction: 15 ft 5 in
Dec 6, 2025, 11:05 PM    

Construction Projects
Project Name Project Number WYDOT Contact Contractor Contact Start Date Completion Date Description Road Milepost(s) Surface Delays Last Updated

No active construction projects reported at this time.

*Chain Law - Level 1 Definition
**Chain Law - Level 2 Definition
Other Definitions

Impact Levels Description / Recommended Action
Low Minimal impacts expected, use general caution.
Moderate Some impacts expected, use extra caution. Stay alert for changing road and weather conditions.
High Dangerous impacts expected, use extreme caution, delay travel or consider alternate route. If travel is necessary, slow down and allow extra time.
CLOSED Per W.S. 24-1-109, motorists traveling on a closed road without permission from WYDOT or WHP may be subject to a fine of up to $750 and/or up to 30 days imprisonment.
Seasonal / Long-Duration Event Impact level used to distinguish long-duration events from emergent events.
All travelers are encouraged to check present conditions and forecasts before departing.