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Southwest Colorado Striping
Active Construction, State Highways, US Highways
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US 550 Coal Bank Pass Wall Replacement
Project Complete
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Archived Project Sites
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US 550 Coal Bank Pass Wall Replacement
US Highway
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Archived Project Sites
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Three southwest mountain passes scheduled to close Nov. 25 for winter maintenance preparation
Nov. 21, 2025 - Southwestern Colorado - Lengthy morning delays on US 160 Wolf Creek, US 550 Red Mountain and CO 145 Lizard Head Passes
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November 2025 News
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CDOT urges 4th of July travelers to be prepared for travel through non-active work zones
July 3, 2025 - Southwestern Colorado - Plan for lengthy 24/7 delays on US 550 between Durango and Silverton
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July 2025 News
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Crashed vehicle recovery operation to Close US 550, north of Purgatory on Thursday
April 17, 2024 - Southwestern Colorado - Operations are expected to last several hours
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2024 News & Press Releases
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April 2024 News
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Project Underway: Fresh striping operations take place on southwest and south-central Colorado highways
May 18, 2022 - Southwestern Colorado -
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2022 News & Press Releases
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May 2022 News
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Lengthy closures set for US 550 Red Mountain Pass
September 1, 2021 - Southwestern Colorado - Power line reconstruction work will require morning and afternoon road closures
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2021 News & Press Releases
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September 2021 News
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Nighttime snow removal operations set for US 550 mountain corridor next week
December 16, 2021 - Southwestern Colorado
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2021 News & Press Releases
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December 2021 News
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US 550 Red Mountain Pass culvert improvements completed
November 15, 2021 - Southwestern Colorado
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2021 News & Press Releases
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November 2021 News
