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US 550 Ouray to Colona Resurfacing
US Highways, 20121
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US 550 overnight closure scheduled Dec. 16 south of Ouray
Dec. 12, 2025 - Southwestern Colorado - Plan for additional daytime delays on US 550 and CO 145 during winter maintenance operations
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December 2025 News
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US 550 Paco - Billy Wildlife & Safety Improvements
Project Complete
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US 550 Paco - Billy Wildlife & Safety Improvements
US Highways
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US 550 Paco/Billy Wildlife & Safety Improvements project to begin in late March
March 14, 2024 - Southwestern Colorado - Work will take place between Ridgway State Park and Colona
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March 2024 News
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US 550 Red Mountain Pass culvert improvements completed
November 15, 2021 - Southwestern Colorado
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November 2021 News
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US 550 Red Mountain Pass Crib Wall Repairs Complete for Season 1
November 2, 2015 - Southwestern Colorado/CDOT Region 5 - Two sites complete; work at walls on south Red Mtn. (MP 79) resumes spring 2016
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2015 News Releases
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November 2015 News
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US 550 Red Mountain Pass closed August 5 to allow for search and rescue operations
Aug. 5, 2025 - Southwestern Colorado - Motorists traveling between Ouray and Silverton are advised to seek alternate routes
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US 550 RED MOUNTAIN PASS CRIB WALL REPAIRS COMPLETE
September 8, 2016 - Southwestern Colorado/CDOT Region 5 - OURAY & SAN JUAN COUNTIES – The Colorado Department of Transportation (CDOT) and contractor Rock & ...
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September 2016 News
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US 550 Red Mountain Pass is closed due to a rockfall
Nov. 13, 2024 - Southwestern Colorado - Crews will begin removal operations at first light
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November 2024 News