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Travel information for Wyoming Highway 789 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 1 (Southeast) | WY210: No Oversized Loads, 10' Width Restriction near Cheyenne from milepost 0.05 to 0.23. |
| District 2 (Central) | I25: Planned Closure for roadwork June 9-12, 2026 from 8pm to 6am, all lanes will be closed near Casper from milepost 180 to 196. |
| District 5 (Northwest) | |
| Conditions | |||||||
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| Route | Location | Conditions | Advisories | Restrictions | Last Report Time | Cameras | Sensors |
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Baggs
NWS Forecast |
Between Colorado State Line and Mile Marker 25 | Dry | None | None | Jun 6, 2026, 02:05 PM |
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| Between Mile Marker 25 and I-80, Creston Junction | Dry | None | None | Jun 6, 2026, 02:05 PM |
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Rawlins
NWS Forecast |
Between I-80, Creston Jct and Rawlins | Dry with Dangerous Winds | Extreme Blow Over Risk |
Closed to all high profile vehicles under 35000 GVW due to gusting winds
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Jun 6, 2026, 02:50 PM |
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| Between Rawlins and Mile Marker 23 | Dry | None | None | Jun 6, 2026, 02:05 PM |
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Muddy Gap
NWS Forecast |
Between Mile Marker 23 and Lamont | Dry | None | None | Jun 6, 2026, 01:51 PM | ||
| Between Lamont and Muddy Gap | Dry | None | None | Jun 6, 2026, 01:51 PM |
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| Between Muddy Gap and Jeffrey City | Dry | None | None | Jun 6, 2026, 01:51 PM |
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| Between Jeffrey City and Sweetwater Station Jct | Dry | None | None | Jun 6, 2026, 01:51 PM |
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Lander
NWS Forecast |
Between Sweetwater Station Jct and Jct WY 28 / US 287 | Dry | None | None | Jun 6, 2026, 02:31 PM |
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| Between Jct WY 28 / US 287 and Lander | Dry | None | None | Jun 6, 2026, 02:31 PM |
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| Between Lander and Hudson | Dry | None | None | Jun 6, 2026, 02:31 PM |
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Riverton
NWS Forecast |
Between Hudson and Riverton | Dry | None | None | Jun 6, 2026, 02:31 PM |
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| Between Riverton and WY 134 | Dry | None | None | Jun 6, 2026, 02:31 PM |
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Shoshoni
NWS Forecast |
Between WY 134 and Shoshoni | Dry | None | None | Jun 6, 2026, 02:31 PM |
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| Between Shoshoni and Boysen Dam | Dry | None | None | Jun 6, 2026, 02:31 PM |
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Thermopolis
NWS Forecast |
Between Boysen Dam and Thermopolis | Dry | Falling Rock |
US 20 BUS/WY 789 from milepost 116.100 to 116.500 Width restriction: 12 ft Height restriction: 15 ft |
Jun 6, 2026, 02:31 PM |
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| Between Thermopolis and Mile Marker 148, Washakie/Hot Springs County Line | Dry | None | None | Jun 6, 2026, 02:31 PM |
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Worland
NWS Forecast |
Between Mile Marker 148, Washakie/Hot Springs County Line and Worland | Dry | None | None | Jun 6, 2026, 02:31 PM |
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| Between Worland and Washakie/Big Horn County Line | Dry | None | None | Jun 6, 2026, 02:31 PM |
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Basin
NWS Forecast |
Between MM 176, Washakie/Big Horn County Line and Basin | Dry | None | None | Jun 6, 2026, 02:31 PM |
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| Between Basin and Greybull | Dry | None | None | Jun 6, 2026, 02:31 PM |
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| Between Greybull and 4 miles west of Greybull | Dry | None | None | Jun 6, 2026, 02:31 PM |
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Lovell
NWS Forecast |
Between 4 miles west of Greybull and Lovell | Dry | None | None | Jun 6, 2026, 02:31 PM |
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| Between Lovell and the Montana State Line | Dry | None |
US 310 / WY 789 at milepost 257.010 Single unit 4-5 axles: 26T , Single unit 6+ axles: 30T |
Jun 6, 2026, 02:31 PM |
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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 |
| Road Work I80 EB MP 199 - 211 between Creston Jct. and Rawlins | I804276 | Diego Fronza 307-328-4142 |
Knife River Cheyenne , WY 307-634-5455 |
Mar 30, 2026 | Oct 31, 2026 | Mill and overlay involving asphalt paving, aggregate surfacing, grading, traffic control, structure and milling work on approximately 11.90 miles on the EBL of I-80 beginning at RM 199.05 between Rawlins and Creston Junction_______________ | I80 WY789 US30 |
199.05 to 210.98 | Paved | 10 minute delays with stopped conditions | Apr 22, 2026, 11:52 AM |
| Road Work WY 14/16/20 WY 310 MP 205.29 - 211.65 | Maintenance Operations: Chip Seal | None | None | Jun 8, 2026 | Jun 15, 2026 | Chip seal | US26 BIGHORNAVE IDAHOST E2NDST US87BUS 4THST MAINST US87 3RDSTE US14 ASHST WY789 SHOSHONIST S6THST US20BUS US20 N10THST US16 N6THST I25BUS US310 6THST W1STST E1STST PARKST US14A WYELLOWSTONEHWY US26BUS |
205.29 to 211.65 | Paved | 15 minute delays | May 28, 2026, 07:46 AM |
| Roadwork WY 220 near Casper mp 115 (Poplar Street between CY and Collins) | N212124 | Mark Harris 307-258-5152 |
Oftedal Construction, Inc. Casper , WY 307-237-4499 |
Jun 1, 2026 | Sep 30, 2026 | Reconstruction, Water and Sanitary Sewer Replacement, landscaping, asphalt paving, sidewalks, curb and gutter, traffic signal system. Poplar Street will be closed from W. Collins to CY Ave. Each year June 1 –August 30. Detour to travel down Collins, right on Ash St., and right again on CY Ave. Expect 5 minute delays. | WY789 SPOPLARAVE 3RDST US287 WY220 CYAVE |
115.33 to 115.75 | Paved | Expect delays | May 28, 2026, 12:48 PM |
| *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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