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.

Funding of $421,000 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 2026 budget session.

The Nederland Senior Center offers related programming including free legal consultations, tax preparation assistance, health screenings, and social activities. Over 2,882 seniors participated in center programs last year.

Details

Residents in the Nederland area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Public Works at (303) 441-9271 to verify eligibility and requirements.

Volunteers contributed over 6,343 hours to this program last year. The Public Works coordinates with 25 nonprofit partner organizations throughout Boulder County to deliver services.