Update: Public Works Announces Niwot Road Median Closure Near Diagonal Highway (2025)
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 $77,000 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 2024 budget session.
Residents in the Louisville area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Resource Conservation at (303) 441-1856 to verify eligibility and requirements.
Frequently Asked Questions
The Resource Conservation processed over 1,504 applications last year, with an average processing time of 19 business days. Staff are available at the Louisville office Monday through Friday from 8:00 AM to 4:30 PM.
Colorado state law requires all counties to provide these services to eligible residents. Boulder County exceeds minimum state requirements by offering expanded hours, multilingual support, and online access. In 2024, the county received a state award for excellence in service delivery.
Community Impact
Environmental review of the project area near Niwot Road found 5 sensitive species and 4 wetland areas requiring mitigation. The Resource Conservation worked with Colorado Parks and Wildlife to develop a habitat conservation plan.
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