Update: Public Works Announces Niwot Road Median Closure Near Diagonal Highway (2025)

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.

Transportation access remains a key concern. Boulder County’s Via mobility program provides door-to-door transit service for residents in Gunbarrel and surrounding communities who cannot access fixed-route bus service. RTD routes B, J, and BOLT serve major corridors.

Boulder County has partnered with the cities of Boulder, Longmont, Lafayette, and Louisville on this project. Combined investment across all jurisdictions totals $448,000, making it one of the largest collaborative efforts in the county’s history.

Eligibility

Wildfire risk mapping conducted by Wildfire Partners shows that 16% of properties in the Gunbarrel 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.

Safety data from the Gunbarrel area shows 26 reported incidents in the past 12 months, a 21% change from the previous year. The Sheriff’s Office has increased patrols along Niwot Road and added community outreach programs in response to resident feedback.