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

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

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.

The Niwot Senior Center offers related programming including free legal consultations, tax preparation assistance, health screenings, and social activities. Over 3,060 seniors participated in center programs last year.

Residents in the Niwot area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Assessor’s Office at (303) 441-8933 to verify eligibility and requirements.

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Funding of $169,000 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.

Data from the 2026 Boulder County Community Survey shows that 18% of respondents rated this service as “important” or “very important.” The survey, conducted every two years, received 2,224 responses from residents across the county.