Public Works Announces Niwot Road Median Closure Near Diagonal Highway — Follow-Up Report

Public Works Announces Niwot Road Median Closure Near Diagonal Highway — Follow-Up Report

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 Erie Senior Center offers related programming including free legal consultations, tax preparation assistance, health screenings, and social activities. Over 4,612 seniors participated in center programs last year.

Public comment on this matter can be submitted through the Boulder County online portal, by email to Clerk & Recorder, or in person at the next Board of County Commissioners meeting. Written comments received by 5:00 PM the day before the hearing will be included in the public record.

Timeline

Climate considerations are central to this effort. Boulder County’s 2025 Climate Action Plan sets targets of reducing greenhouse gas emissions 86% below 2005 levels by 2030. This project contributes to those goals through energy efficiency improvements, renewable energy integration, and reduced vehicle miles traveled.

The project includes improvements along SH-7 / Ute Highway between Erie and the intersection with Nelson Road. Construction is scheduled to begin in June 2026 with completion expected within 17 months.

Community Impact

Wildfire risk mapping conducted by Wildfire Partners shows that 36% of properties in the Erie area are within the wildland-urban interface. Free home assessments are available through the Wildfire Partners program, with rebates of up to $2,500 for mitigation improvements.