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Winter storm expected to heavily impact I-25 South Gap project area Wednesday night

CDOT urges motorists to avoid travel in the Gap during the storm; snow impacts also expected in Metro Denver, the foothills and Southeast Colorado

Douglas County snow plow plowing snow in snow stormInformation provided by the Colorado Department of Transportation

Heavy snow is forecast for the I-25 South Gap project area between Colorado Springs and South Denver, Metro Denver and Southeast Colorado Wednesday evening, Oct. 23 through Thursday morning, Oct. 24 with anticipated Winter Storm Warnings and Winter Weather Advisories taking effect this evening. The largest impacts of the storm are expected west of Denver into the foothills to the Eisenhower Tunnel and south of Denver along I-25, with up to seven inches of snow around the Palmer Divide. Travel impacts, including possible closures, are expected for Monument Hill and the I-25 South Gap project area. 

If you travel on I-25 between Colorado Springs and South Denver, avoid this stretch of highway Wednesday night (8 p.m. and later) and early Thursday morning, when the storm is expected to hit. 

Here is a breakdown of the anticipated impacts:


The forecast for the I-25 South Gap project is five to nine inches of snow, with the brunt of the storm expected to hit around 8 p.m. Wednesday and tapering off Thursday morning.

CDOT will pre-treat I-25 Monument Hill and the area north up to Castle Rock beginning Wednesday morning, but the anticipated heavy snow in the Gap area will lead to slick driving conditions through the evening commute and overnight. The speed limit will be lowered to 45 MPH beginning at 8:00 p.m. Wednesday and will last throughout the duration of the storm.

While CDOT crews will be out treating and plowing roads to make them as safe as possible for winter driving, motorists need to be prepared for lowered speed limits and likely road closures due to heavy snowfall and dangerous driving conditions. If you must drive, CDOT urges driving slow, leaving a safe distance behind the vehicle ahead, do not pass plows, and ensure your vehicle is winter-ready with appropriate tires for the weather.

The Thursday morning commute through the Gap area will likely be wet and slick. Be aware of icy areas on bridges and overpasses. Please drive slowly and do not speed. Before you leave Thursday morning, make sure to check the latest road conditions by going to or visit CDOT’s social media channels.


The storm is expected to hit the Denver metro area late afternoon Wednesday with cold rainy weather and turning to snow by Wednesday evening. CDOT crews will begin snow shifts Wednesday afternoon and will have approximately 100 plows throughout the storm. Crews are not expected to pre-treat the roads with salt brine because the rain would wash away the materials. They will de-ice roads once the snow starts to keep pavement as clear as possible.

Motorists should give themselves extra time for their Thursday morning commute as roads are expected to be mostly wet and slick with icy areas on bridges and overpasses. It’s critical that vehicles be winter-ready with appropriate tires, take it slow and leave plenty of room behind the vehicle ahead. Check to track the road conditions before leaving for your Thursday morning commute.


  • The heaviest snowfall is anticipated in the Gap area. CDOT highly encourages avoiding travel through the Gap area Wednesday night past 8:00 p.m. Expect lowered speed limits and potential closures.
  • CDOT plows will be out in full force along the major corridors. Do not pass the snow plows.
  • There is a risk of freezing overnight Wednesday into Thursday morning’s commute. Expect icy roads and drive with caution, especially on bridges and overpasses.
  • Go slow. Please do not speed.
  • Leave plenty of space behind the vehicle in front of you.


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