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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 Emergency Culvert north of Arboles
                              
                              
                              
Colorado Highways
                              
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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
                              
                              
                              
                              
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                                CO 151 Resurfacing & Culvert Improvement in La Plata/Archuleta County
                              
                              
                              
Active Construction, State Highway
                              
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                                CO 151 Sambrito Creek Flow Improvements
                              
                              
                              
Construction Complete
                              
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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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