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

  • Construction of the Highway 119 Underpass at Airport Road is scheduled to begin construction the week of April 21. Highway users should expect minor delays during construction hours. Northbound 119 will be rerouted around the construction site with reduced speed limit of 50 mph. Ogallala Road will be closed for the duration of the project, anticipated to be April 21, 2014 to December 24, 2014.
  • 51st Street Reconstruction, Jay Road to Boulder Reservoir - Construction has resumed on Monday, March 31, expect construction delays through this area. To receive project updates please notify Tim Swope at

Regional Trail Projects

  • Work to repair the flood damaged section of the LOBO Trail at Left Hand Creek upstream of 95th Street/Hover Street is scheduled to be bid in May 2014. Construction is anticipated for June and will take 2 to 3 weeks to complete. To receive project updates please notify Dave Webster at

Other Construction within Boulder County

No updates at this time.

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