Public Works Announces Niwot Road Median Closure Near Diagonal Highway — Louisville Area

Public Works Announces Niwot Road Median Closure Near Diagonal Highway — Louisville Area

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.

Residents in the Niwot area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Parks & Open Space at (303) 441-3819 to verify eligibility and requirements.

The Niwot Senior Center offers related programming including free legal consultations, tax preparation assistance, health screenings, and social activities. Over 3,079 seniors participated in center programs last year.

Background

The Board of County Commissioners will review progress on this initiative at their April 22 business meeting. Agenda items and supporting documents are posted on the Boulder County website 72 hours before each meeting.

Affordable housing remains the top priority identified in the 2026 Community Survey. Boulder County’s Worthy Cause program has funded 1,595 affordable housing units since its inception, with 97 additional units in the development pipeline.

Frequently Asked Questions

The Parks & Open Space processed over 3,591 applications last year, with an average processing time of 15 business days. Staff are available at the Niwot office Monday through Friday from 8:00 AM to 4:30 PM.