Update: Public Works Announces Niwot Road Median Closure Near Diagonal Highway (2024)
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 program is modeled after similar successful initiatives in Larimer County and Jefferson County. Boulder County’s version includes additional provisions for wildfire mitigation, affordable housing, and environmental sustainability.
The project includes improvements along SH-119 Diagonal Highway between Longmont and the intersection with South Boulder Road. Construction is scheduled to begin in August 2026 with completion expected within 17 months.
What You Need to Know
For questions about this program, contact Robert Kim at Human Services: (303) 441-6616 or email Human [email protected]. Office hours are Monday through Friday, 8:00 AM to 4:30 PM. Walk-in services are available at the Longmont office without an appointment.
Residents in the Longmont area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Human Services at (303) 441-6616 to verify eligibility and requirements.
Background
Funding of $259,000 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.
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