Rockfall mitigation work set for US 550 Bondad Hill, south of Durango

Travel Advisory

April 2, 2026 - Southwestern Colorado - Motorists will encounter 15-minute stops April 6 through 10
US 550 Bondad Hill Durango Rockfall Mitigation rocks on road
April 6 through 10, 2026, CDOT maintenance crews will perform rockfall mitigation and shoulder clearing on US 550 at Bondad Hill, 15 miles south of Durango and five miles north of the New Mexico state line.

Southwest Colorado — The Colorado Department of Transportation will perform rockfall mitigation work next week on US Highway 550 at Bondad Hill. The work zone area is located approximately 15 miles south of Durango and five miles north of the New Mexico state line. The operations will include removal of loose and unstable rocks from the slope, reduction of large boulders and clearing of debris from the highway shoulder. Work will take place for the entire week, April 6 through 10, from 9 a.m. to 4 p.m.

Travel Impacts

Travelers should plan ahead and allow for extra travel time. Motorists should remain alert, slow down and watch for equipment and workers. Motorists will encounter:

  • 15-minute delays
  • Full stops and one-lane alternating traffic
  • Flagging personnel and signage indicating lane shifts and lane closures
  • A speed reduction of 40 mph, enforced through the work zone
US 550 Bondad Hill south of Durango Rockfall Mitigation map
Map image of US Highway 550. Rockfall work will take place April 6 through 10, 2026. Motorists can expect up to 15-minute delays and alternating one-lane traffic, guided by flaggers.

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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