Closures & Construction

Boulder County Transportation manages the construction projects for roads, bridges, pathways, drainage improvements and trails. Below are the Boulder County road and trail projects currently under construction.

County Road Projects

  • 63rd Street and Jay Road Intersection Paving begins Monday, April 28 - Avoid the area, if possible
    • Repaving of the intersection to begin at 8:30 a.m. on Monday
    • Travelers can all expect delays moving through the area
    • Work is planned for Monday only, but the project may carry over into Tuesday morning
    • The RTD bus stop will remain in place. There may be short delays on Route 205 as traffic moves through the area.
    • All work is weather permitting
    • Project is parth of annual roadway maintenance plan designed to increase the roadway's life expectancy and driving conditions
    • Project Contact = Andrew Barth - 303-441-1032
  • Highway 119 Underpass at Airport Road
    • Work began April 22 and is anticipated to last until late December, weather permitting.
    • Travelers can expect minor delays during daytime working hours
    • Northbound 119 will be rerouted around the construction site with a reduced speed limit of 50 mph
    • Ogallala Road will be closed for the duration of the project
    • Project Contact =Andrew Barth- 303-441-1032
  • 51st Street Reconstruction, Jay Road to Boulder Reservoir -
    • Construction resumed March 31
    • Motorists can expect construction delays through this area
    • Project Contact = Tim Swope at tswope@bouldercounty.org.
  • Flagstaff Road daytime closure starting in June
    • Flagstaff Road will be closed at the Boulder city limits from 8:30 a.m. to 3:30 p.m., Monday through Friday
    • The closure is necessary while crews install a bridge over the section of roadway that washed out during the 2013 flood.
    • Access to Flagstaff Road will remain open via Gross Dam Road off of Coal Creek Canyon Drive/Hwy 72
    • Project Contact -Andrew Barth - 303-441-1032

Regional Trail Projects

  • LOBO (Longmont to Boulder) Trail Repairs
    • Work to repair the flood damaged section of the LOBO Trail at Left Hand Creek upstream of 95th Street/Hover Street
    •  Scheduled to be bid in May 2014, and should last 2 to 3 weeks, weather dependent.
    • Project Contact = Dave Webster at dwebster@bouldercounty.org.

Other Construction within Boulder County

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