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Traffic shift and intersection closure on CO 7 (Arapahoe Avenue) in Boulder starting next week
Sept. 12, 2025 - Northeastern Colorado - Long delays anticipated, alternate routes highly advised for weekend intersection closure Sept. 19 to 22
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September
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CO 7 (Arapahoe Avenue) and 48th Street intersection closure in Boulder this weekend
Sept. 9, 2025 - Northeastern Colorado - Weekend closure needed for long-term road improvements
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September
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Closures at Second Avenue and 83rd Street median near CO 119/Diagonal Highway start this week, Oxford Road median closure postponed
Sept. 9, 2025 - Northeastern Colorado - Construction continues on the CO 119 Safety, Mobility and Bikeway Improvements Project
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September
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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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August
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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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August
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US 36 Estes Park to Boulder Sign Replacement
Active Construction, US Highway
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CO 7 (Arapahoe Avenue) and 38th Street intersection closure in Boulder July 25 to 28
July 24, 2025 - Northeastern Colorado - Temporary weekend closure needed for long-term road improvements
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July
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US 287 Safety Improvements in Boulder County | Design Phase
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Pavement rehabilitation project will begin on Boulder Canyon Drive (CO 119) next week
May 1, 2025 - Northeastern Colorado - Initial traffic impacts to take place during nighttime hours
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May
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CO 119 & CO 7 Resurfacing
Active Construction, State Highways
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