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Travel information for the Casper area is as follows:

National Weather Service Forecast for Casper

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Variable Speed Limits
Chain Law
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District Comments
District 2 (Central)


Conditions
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
Casper Service Road Between WY 259 and Ormsby Road Dry None I 25 SVRD at milepost 0.650
Single unit 2-3 axles: 20T
, Single unit 4-5 axles: 20T
, Single unit 6+ axles: 24T
, Semi-trailer combos: 37T
, Truck & full trailer combos: 36T
  Jun 21, 2026, 09:10 AM    
NORTHBOUND between Glenrock and Casper Dry None None   Jun 21, 2026, 09:10 AM   Deer Creek Hat Six Casper   Deer Creek Hat Six
SOUTHBOUND between Glenrock and Casper Dry None I 25 from milepost 184.000 to 184.300
Width restriction: 13 ft
I 25 from milepost 185.330 to 186.790
Height restriction: 13 ft 11 in
  Jun 21, 2026, 09:10 AM   Deer Creek Hat Six Casper   Deer Creek Hat Six
Between Casper and Exit 210, Horse Ranch Creek Rd Dry None I 25 / US 87 at milepost 191.640
Single unit 6+ axles: 36T
  Jun 21, 2026, 09:10 AM   F Street Hill Twenty Mile Hill   F Street Hill Twenty Mile Hill
US 20/26 Between Waltman and Casper Dry None None   Jun 21, 2026, 09:10 AM   Natrona   Natrona
US 20/26/87 Between Glenrock and Casper Dry None None   Jun 21, 2026, 09:10 AM     Hat Six
WY 220 Between Pathfinder Rd and Alcova Dry None None   Jun 21, 2026, 09:10 AM   Pathfinder   Pathfinder
Between Alcova and WY 487 Dry None None   Jun 21, 2026, 09:10 AM   Mile Marker 97  
Between WY 487 and Casper Dry None None   Jun 21, 2026, 09:10 AM   Mile Marker 97  
WY 251 Between WY 258, Wyoming Blvd and End of State Route Dry None None   Jun 21, 2026, 09:10 AM   Casper Mountain Road  
WY 257 Between WY 220 and Robertson Road Dry None None   Jun 21, 2026, 09:10 AM    
Between Robertson Road and US 20/26 Dry None None   Jun 21, 2026, 09:10 AM    
WY 258 Between Mills and Evansville Dry None None   Jun 21, 2026, 09:10 AM   WYO 258 Outer Drive   WYO 258

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

CYAVE

3RDST

SPOPLARAVE

US287

WY220

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.
All travelers are encouraged to check present conditions and forecasts before departing.