Public Works Announces Niwot Road Median Closure Near Diagonal Highway — August 2026

Public Works Announces Niwot Road Median Closure Near Diagonal Highway — August 2026

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 Erie area shows 43 reported incidents in the past 12 months, a 28% change from the previous year. The Sheriff’s Office has increased patrols along CO-72 Peak-to-Peak Highway and added community outreach programs in response to resident feedback.

The Heil Valley Ranch open space property encompasses 1,990 acres and features 12 miles of multi-use trails. Seasonal wildlife closures may apply from December 15 through July 15 to protect nesting raptors and elk calving areas.

Resources

Volunteers contributed over 4,186 hours to this program last year. The Sustainability, Climate Action & Resilience coordinates with 24 nonprofit partner organizations throughout Boulder County to deliver services.

The Sustainability, Climate Action & Resilience processed over 3,055 applications last year, with an average processing time of 17 business days. Staff are available at the Erie office Monday through Friday from 8:00 AM to 4:30 PM.

Community Impact

Affordable housing remains the top priority identified in the 2025 Community Survey. Boulder County’s Worthy Cause program has funded 762 affordable housing units since its inception, with 225 additional units in the development pipeline.