Multiple work zones on CO 151 will add to travel time between Ignacio & Chimney Rock

Travel Advisory

July 24, 2025 - Southwestern Colorado - Plan for delays and slower speeds July 28 to 30

La Plata & Archuleta Counties — In addition to the extensive resurfacing and culvert repair work that has been occurring on Colorado Highway 151 (Mile Points 12 to 26) since mid-February, CDOT maintenance crews will pave a short segment of CO 151 just north of the project boundaries from Monday, July 28, through Wednesday, July 30. Motorists should allow for up to 30 minutes of additional travel time between Allison and the US 160 Junction, near Chimney Rock National Monument.

Traffic Impacts

Maintenance Paving Operations: CO 151 (MP 31 to MP 32)

  • Daytime work hours range from 6:30 a.m. to 5 p.m., Monday through Wednesday
  • Motorists should plan for 10 to 15 minute delays
  • Expect one-lane alternating traffic guided by temporary traffic signals and a pilot vehicle
  • Motorists entering the highway from a driveway or intersection must wait for a pilot car before proceeding with the flow of traffic

Resurfacing and Culvert Improvement Project: CO 151 (MP 12 to MP 26)

  • Daytime work hours range from 7 a.m. to 7 p.m., Monday through Saturday
  • Motorists should plan for 15 minute delays
  • Expect one-lane alternating traffic guided by flagging personnel
  • Work will consist of paving operations and guardrail installation
  • For more project information, visit: codot.gov/projects/co151resurfacinglaplata
  • All work is weather-dependent. Motorists are encouraged to check the most current traffic impacts on COtrip.org.

Highway Travel Alert map of paving operations on CO 151 between Ignacio and Chimney Rock National Monument. From July 28 to 30, motorists can expect to encounter two separate work zones and should allow for up to 30 minutes of additional travel time.
Colorado Department of Transportation Highway Travel Alert map of paving operations on CO 151 between Ignacio and Chimney Rock National Monument. From July 28 to 30, motorists can expect to encounter two separate work zones and should allow for up to 30 minutes of additional travel time.

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!