US 550 Red Mountain Pass will no longer require full closures for power line work

Travel Advisory

Sept. 12, 2025 - Southwestern Colorado - The scheduled closures for Sept. 16 to 18 have been cancelled and US 550 will remain open

Southwest Colorado — The previously scheduled road closures on US Highway 550 Red Mountain Pass, Tuesdays through Thursdays, from Sept. 2 to 18, will no longer be necessary for electrical power line work. The Red Mountain Electrical Reliability & Broadband Improvement Project announced that the work requiring five-hour full closures has been completed ahead of schedule. Motorists can expect US 550 between Ouray and Silverton to remain open Sept. 16 to 18, during the previously scheduled closure times.

Powerline crews will continue to perform work along the mountain corridor however it will have minimal impact to travel. Motorists are urged to stay alert, slow down and watch for workers beside the road.

San Miguel Power Association Project Information

For additional information about the Red Mountain Electrical Reliability and Broadband Improvement Project:

Know Before You Go

Travelers are urged to “know before you go.” Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:

Remember: Slow For The Cone Zone

The following tips are to help you stay safe while traveling through maintenance and construction work zones.

  • Do not speed in work zones. Obey the posted speed limits.
  • Stay Alert! Expect the unexpected.
  • Watch for workers. Drive with caution.
  • Don't change lanes unnecessarily.
  • Avoid using mobile devices such as phones while driving in work zones.
  • Turn on headlights so that workers and other drivers can see you.
  • Be especially alert at night while driving in work zones.
  • Expect delays, especially during peak travel times.
  • Allow ample space between you and the car in front of you.
  • Anticipate lane shifts and merge when directed to do so.
  • Be patient!

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