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 Pahaska and the Shoshone National Forest Boundary Dry Falling Rock None Nov 14, 2025, 11:37 PM    
Between the Shoshone National Forest Boundary and Cody Dry Falling Rock None Nov 14, 2025, 11:37 PM    
Between Cody and the Big Horn County Line Dry None None Nov 14, 2025, 11:37 PM    
Basin
NWS Forecast
Between the Big Horn County Line and 4 miles west of Greybull Dry None None Nov 14, 2025, 11:37 PM    
Between 4 miles west of Greybull and Greybull Dry None None Nov 14, 2025, 11:37 PM    
Between Greybull and Basin Dry None None Nov 14, 2025, 11:37 PM    
Between Basin and MM 176, Washakie/Big Horn County Line Dry None None Nov 14, 2025, 11:37 PM    
Worland
NWS Forecast
Between Washakie/Big Horn County Line and Worland Dry None None Nov 14, 2025, 11:37 PM    
Between Worland and Mile Marker 148, Washakie/Hot Springs County Line Dry None None Nov 14, 2025, 11:37 PM    
Thermopolis
NWS Forecast
Between Mile Marker 148, Washakie/Hot Springs County Line and Thermopolis Dry None None Nov 14, 2025, 11:37 PM    
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
US 20 BUS/WY 789 from milepost 116.100 to 116.500
Width restriction: 12 ft
Height restriction: 15 ft
Nov 14, 2025, 11:37 PM    
Shoshoni
NWS Forecast
Between Boysen Dam and Shoshoni Dry None None Nov 14, 2025, 11:37 PM    
Between Shoshoni and Moneta Dry None None Nov 14, 2025, 11:37 PM    
Between Moneta and Waltman Dry None None Nov 14, 2025, 11:37 PM    
Casper
NWS Forecast
Between Waltman and Casper Dry None None Nov 15, 2025, 12:50 AM    
Between Casper and Glenrock Dry None None Nov 15, 2025, 12:50 AM    
Douglas
NWS Forecast
Between Glenrock and Douglas Dry with Dangerous Winds Extreme Blow Over Risk
Closed to all high profile vehicles under 20000 GVW due to gusting winds
Nov 15, 2025, 12:50 AM    
Between Douglas and I-25, Orin Jct Dry None None Nov 15, 2025, 12:50 AM    
Between I-25, Orin Jct and Lost Springs Dry None None Nov 15, 2025, 12:50 AM    
Lusk
NWS Forecast
Between Lost Springs and Lusk Dry None None Nov 15, 2025, 12:50 AM    
Between Lusk and the Nebraska State Line Dry None None Nov 15, 2025, 12:50 AM    

Construction Projects
Project Name Project Number WYDOT Contact Contractor Contact Start Date Completion Date Description Road Milepost(s) Surface Delays Last Updated
Yellowstone - Cody, WY 14/16/20 MP 43.86 - 44.78 N311103 Todd Frost
307-272-3341
todd.frost@wyo.gov
Wilson Bros. Construction, Inc.
Cowley , WY
307-548-6559
Feb 23, 2025 Dec 30, 2025 Erosion control and guardrail work on approximately 1 mile on US 14/16/20 beginning at RM 43.86 to RM 44.78 between Yellowstone and Cody. Expect up to 10 minute delays with stopped condition when the contractor is working. 43.860 to 44.780 Paved 10 minute delays Oct 2, 2025, 01:32 AM
*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.