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Travel information for US Highway 20 is as follows:
| 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) | WY487: The Shirley Rim Rest Area is closed until further notice near Shirley Basin at milepost 45.0. US26: The Rest Area is closed until further notice near Guernsey at milepost 17.8. I25: Crash, all lanes blocked NORTHBOUND near Douglas at milepost 124.0, be prepared to stop, expect delays. |
| District 5 (Northwest) | |
| Conditions | |||||||
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| Route | Location | Conditions | Advisories | Restrictions | Last Report Time | Cameras | Sensors |
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Cody
NWS Forecast |
Between the E Gate of Yellowstone Nat'l Park and Pahaska | Road Closed Due To Seasonal Closure | Apr 2, 2026, 02:50 PM | ||||
| Between Pahaska and the Shoshone National Forest Boundary | Dry | Falling Rock | None | Apr 3, 2026, 10:26 AM | |||
| Between the Shoshone National Forest Boundary and Cody | Dry | Falling Rock | None | Apr 3, 2026, 10:26 AM |
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| Between Cody and the Big Horn County Line | Wet with Snowfall | None | None | Apr 3, 2026, 11:35 AM |
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Basin
NWS Forecast |
Between the Big Horn County Line and 4 miles west of Greybull | Wet | None | None | Apr 3, 2026, 12:42 PM |
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| Between 4 miles west of Greybull and Greybull | Wet | None | None | Apr 3, 2026, 12:42 PM |
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| Between Greybull and Basin | Dry | None | None | Apr 3, 2026, 01:01 PM |
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| Between Basin and MM 176, Washakie/Big Horn County Line | Dry | None | None | Apr 3, 2026, 02:42 PM |
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Worland
NWS Forecast |
Between Washakie/Big Horn County Line and Worland | Dry | None | None | Apr 3, 2026, 11:51 AM |
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| Between Worland and Mile Marker 148, Washakie/Hot Springs County Line | Dry | None | None | Apr 3, 2026, 12:30 PM |
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Thermopolis
NWS Forecast |
Between Mile Marker 148, Washakie/Hot Springs County Line and Thermopolis | Dry | None | None | Apr 3, 2026, 02:55 PM |
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| Between Thermopolis and Boysen Dam | Wet | Falling Rock |
US 20 BUS/WY 789 from milepost 116.100 to 116.500 Width restriction: 12 ft Height restriction: 15 ft |
Apr 3, 2026, 03:22 PM |
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Shoshoni
NWS Forecast |
Between Boysen Dam and Shoshoni | Wet with Snowfall | None | None | Apr 3, 2026, 12:22 PM |
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| Between Shoshoni and Moneta | Wet with Snowfall | None | None | Apr 3, 2026, 02:48 PM |
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| Between Moneta and Waltman | Wet with Blowing Snow | None | None | Apr 3, 2026, 11:23 PM |
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Casper
NWS Forecast |
Between Waltman and Casper | Dry | None | None | Apr 4, 2026, 04:21 AM |
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| Between Casper and Glenrock | Dry | None | None | Apr 3, 2026, 06:34 PM |
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Douglas
NWS Forecast |
Between Glenrock and Douglas | Slick in Spots | None | None | Apr 4, 2026, 04:21 AM |
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| Between Douglas and I-25, Orin Jct | Wet with Dangerous Winds | Extreme Blow Over Risk |
Closed to all high profile vehicles under 20000 GVW due to gusting winds
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Apr 4, 2026, 04:34 AM |
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| Between I-25, Orin Jct and Lost Springs | Wet with Snowfall, Strong Winds | None | None | Apr 3, 2026, 08:32 PM | |||
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Lusk
NWS Forecast |
Between Lost Springs and Lusk | Slick | Black Ice | None | Apr 4, 2026, 03:50 AM |
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| Between Lusk and the Nebraska State Line | Slick | Black Ice | None | Apr 4, 2026, 03:50 AM |
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| 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. |
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| *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. |
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