Crews perform safety-critical maintenance operations on US 550 Red Mountain Pass Friday

Winter Travel Alert

March 15, 2024 - Southwestern Colorado - Motorists should plan for delays between Silverton and Ouray beginning at noon

Southwest Colorado — The Colorado Department of Transportation will perform critical winter maintenance operations on US Highway 550 Red Mountain Pass beginning at noon on Friday, March 15. Motorists should plan for intermittent 30-minute delays for most of the afternoon. Crews will work swiftly and safely to complete winter maintenance operations however, delays may be extended depending on weather conditions and the extent of snow removal required.

Additional safety and maintenance closures along the US 550 mountain corridor are likely to continue into the weekend. CDOT maintenance personnel and Colorado Avalanche Information Center (CAIC) forecasters will continue to observe the snow accumulations and plan accordingly.

US 550 Red Mountain Pass Closure Locations:

  • Winter maintenance operations scheduled for Friday, March 15 at 12 p.m. (noon)
  • Northbound travelers will encounter a closure near Ironton Park (Mile Point 87)
  • Southbound travelers will encounter a closure at the Bear Creek Bridge (Mile Point 90.5)
  • Motorists will be guided by flaggers through the closure points

Visit for the latest information on road closures and conditions.

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!

Download the COtrip App!

The new free COtrip Planner mobile app was designed to meet the growing trend of information on mobile and tablet devices for the traveling public. The COtrip Planner app provides statewide, real-time traffic information, and works on mobile devices that operate on the iOS and Android platforms. Visit the Google Play Store (Android devices) or the Apple Store (iOS devices) to download!