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CO 151 closed south of Chimney Rock National Monument while CDOT performs emergency culvert and road repairs
April 12, 2023 - Southwestern Colorado - Closure put into place after CDOT was alerted of erosion issues on the highway caused by heavy spring run-off
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CO 151 is open south of Chimney Rock National Monument
April 21, 2023 - Southwestern Colorado - Paving and repairs will be needed in the near future
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CO 151 Resurfacing & Culvert Improvement in La Plata/Archuleta County
Project Complete
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CO 151 Resurfacing & Culvert Improvement in La Plata/Archuleta County
State Highway
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CO 151 surface treatment project complete east of Ignacio
Nov. 20, 2025 - Southwestern Colorado - 13 miles of newly paved roadway offers a smoother safer drive
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CO 151 week-long paving operations begin July 6 near Chimney Rock
July 2, 2026 - Southwestern Colorado - Plan for brief delays and slower speeds
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CO Highway 151 emergency culvert replacement project to begin August 30
August 30, 2023 - Southwestern Colorado - Daytime single-lane closures and shoulder closures are expected just south of Chimney Rock National Monument
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CO Highway 151 full closure to begin next week
October 4, 2023 - Southwestern Colorado - 24/7 closure scheduled south of Chimney Rock National Monument Oct. 13 through 20
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CO Highway 151 opened Oct. 20
October 20, 2023 - Southwestern Colorado - Motorists will encounter one-lane alternating traffic
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Construction of several Southwest Colorado chain stations to begin April 15
April 11, 2024 - Southwestern Colorado - CDOT builds safe pullouts for CMVs to chain up before traversing mountain passes
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