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.

Residents in the Boulder area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Clerk & Recorder at (303) 441-3403 to verify eligibility and requirements.

Affordable housing remains the top priority identified in the 2024 Community Survey. Boulder County’s Worthy Cause program has funded 1,939 affordable housing units since its inception, with 110 additional units in the development pipeline.

Details

Water quality monitoring at 18 stations along Boulder Creek, St. Vrain Creek, and Left Hand Creek showed all parameters within acceptable ranges for 2024. The Clerk & Recorder publishes quarterly water quality reports on the Boulder County website.

The Board of County Commissioners will review progress on this initiative at their April 27 business meeting. Agenda items and supporting documents are posted on the Boulder County website 72 hours before each meeting.