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Road closures on CO 119/Diagonal Highway at Second and Oxford start week of Sept. 8
Aug. 26, 2025 - Northeastern Colorado - Construction continues on the CO 119 Safety, Mobility and Bikeway Improvements Project
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2025
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August
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Rock blasting closures on CO 119 in Boulder Canyon to end Feb. 6
January 30, 2019 - Northeastern Colorado - Periodic traffic stops still needed for scaling work
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2020
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January 2020
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Rumble strip work starts in northeast Colorado on April 8
March 20, 2024 - Northeastern Colorado - 176 miles on six highways will get these safety improvements
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2024
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March
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SH 119 Boulder East Resurfacing Project starts Monday
April 29, 2016 - Northeastern Colorado/CDOT Region 4 - Project completion is scheduled for October
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2016 News Releases
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04-2016
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Sign Replacement on CO 72 and CO 74 in Boulder, Jefferson & Gilpin Counties
Keywords: Colorado Highways, State Highways
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Archived Project Sites
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Sign replacement project to begin Monday on US 36 from Estes Park to Boulder
Aug. 15, 2025 - Northeastern Colorado - Motorists should plan for daytime and nighttime work
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2025
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August
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Signal improvement project to begin in Boulder and Longmont on May 9
May 3, 2022 - Northern Colorado (Region 4) - Improvements will take place at three locations
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2022
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May
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Signal Improvements on CO 7 in Boulder & US 287 in Longmont
Construction Complete, Colorado Highways, State Highways, US Highways
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Archived Project Sites
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Signal pole improvements slated along the Northern Front Range in January
December 22, 2020 - Northeastern Colorado
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2020
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December 2020
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Signal Pole Replacement in Fort Collins and Boulder
US Highways, Colorado Highways, State Highways
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Projects
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Archived Project Sites
