Work-for-WYDOT.png
Search another route:           

Travel information for US Highway 20 is as follows:

New Feature


Frequently Asked Questions Closures & Advisories
Search Conditions By Map
Search By City
Search By District
Variable Speed Limits
Chain Law
Neighboring States

District Comments
District 2 (Central)
District 5 (Northwest)


Conditions
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
Cody
NWS Forecast
Between the E Gate of Yellowstone Nat'l Park and Pahaska Road Closed Due To Seasonal Closure Mar 10, 2026, 08:20 PM    
Between Pahaska and the Shoshone National Forest Boundary Dry with Strong Winds Falling Rock None Mar 13, 2026, 03:13 PM    
Between the Shoshone National Forest Boundary and Cody Dry with Strong Winds Falling Rock None Mar 13, 2026, 03:13 PM   Cody (West)  
Between Cody and the Big Horn County Line Dry None None Mar 13, 2026, 03:13 PM   Eagle Pass  
Basin
NWS Forecast
Between the Big Horn County Line and 4 miles west of Greybull Dry None None Mar 13, 2026, 03:44 PM   US 14/16/20 / WYO 32 Junction  
Between 4 miles west of Greybull and Greybull Dry None None Mar 13, 2026, 03:44 PM   Greybull (South)  
Between Greybull and Basin Dry None None Mar 13, 2026, 03:44 PM   Greybull (South)  
Between Basin and MM 176, Washakie/Big Horn County Line Dry None None Mar 13, 2026, 03:44 PM   Manderson  
Worland
NWS Forecast
Between Washakie/Big Horn County Line and Worland Dry None None Mar 13, 2026, 03:13 PM   Worland (South)  
Between Worland and Mile Marker 148, Washakie/Hot Springs County Line Dry None None Mar 13, 2026, 03:13 PM   Worland (South)  
Thermopolis
NWS Forecast
Between Mile Marker 148, Washakie/Hot Springs County Line and Thermopolis Dry None None Mar 13, 2026, 03:13 PM   Kirby Junction  
Between Thermopolis and Boysen Dam Dry Falling Rock US 20 BUS/WY 789 from milepost 116.100 to 116.500
Width restriction: 12 ft
Height restriction: 15 ft
Mar 13, 2026, 03:13 PM   Boysen Dam Wind River Canyon Thermopolis (South)  
Shoshoni
NWS Forecast
Between Boysen Dam and Shoshoni Dry None None Mar 13, 2026, 03:13 PM   Shoshoni (North) Boysen Dam  
Between Shoshoni and Moneta Dry with Dangerous Winds Extreme Blow Over Risk None Mar 13, 2026, 03:13 PM   Moneta Shoshoni (North)  
Between Moneta and Waltman Dry with Dangerous Winds Extreme Blow Over Risk None Mar 13, 2026, 03:13 PM   Waltman Hiland   Hiland
Casper
NWS Forecast
Between Waltman and Casper Dry with Dangerous Winds Extreme Blow Over Risk None Mar 13, 2026, 02:41 PM   Natrona   Natrona
Between Casper and Glenrock Dry with Strong Winds None None Mar 13, 2026, 01:41 PM     Hat Six
Douglas
NWS Forecast
Between Glenrock and Douglas Dry with Dangerous Winds Extreme Blow Over Risk
Closed to all high profile vehicles under 40000 GVW due to gusting winds
Mar 13, 2026, 01:41 PM   Natural Bridge Interchange Deer Creek   Deer Creek Hat Six
Between Douglas and I-25, Orin Jct Dry None None Mar 13, 2026, 01:41 PM   Orin Junction East Douglas  
Between I-25, Orin Jct and Lost Springs Dry None None Mar 13, 2026, 01:41 PM    
Lusk
NWS Forecast
Between Lost Springs and Lusk Dry None None Mar 13, 2026, 01:52 PM   Lusk  
Between Lusk and the Nebraska State Line Dry None None Mar 13, 2026, 01:52 PM   Duck Creek Van Tassell   Van Tassell

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.