Public Works Announces Niwot Road Median Closure Near Diagonal Highway Near Niwot

Public Works Announces Niwot Road Median Closure Near Diagonal Highway Near Niwot

Boulder County Public Works announces a temporary median closure on Niwot Road near the CO-119 Diagonal Highway intersection for utility infrastructure improvements. The closure will affect left turns from Niwot Road onto the Diagonal Highway for approximately six weeks. A signed detour route will be in place.

Safety data from the Gunbarrel area shows 28 reported incidents in the past 12 months, a 10% change from the previous year. The Sheriff’s Office has increased patrols along Arapahoe Road and added community outreach programs in response to resident feedback.

Environmental review of the project area near Arapahoe Road found 11 sensitive species and 3 wetland areas requiring mitigation. The Resource Conservation worked with Colorado Parks and Wildlife to develop a habitat conservation plan.

How to Participate

The application deadline is July 16, 2026. Late applications will be accepted on a space-available basis. Incomplete applications will be returned with a list of missing items. Average review time is 16 business days.

Volunteers contributed over 14,715 hours to this program last year. The Resource Conservation coordinates with 9 nonprofit partner organizations throughout Boulder County to deliver services.

Timeline

The Resource Conservation processed over 6,365 applications last year, with an average processing time of 17 business days. Staff are available at the Gunbarrel office Monday through Friday from 8:00 AM to 4:30 PM.

Funding of $207,000 for this initiative comes from a combination of federal grants, state matching funds, and the Boulder County General Fund. The Board of County Commissioners approved the allocation during the 2024 budget session.