North Broadway Reconstruction

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The city is working to complete the project as weather allows.

March 2023 Update

On Friday, March 10, there will be rolling single lane closures. Expect delays at intersections - police directed traffic control will be in place at Lee Hill, Yarmouth, and Violet intersections.

March 13 - 17, there will be off-peak traffic delays and likely single lane closures.

Visit Cone Zones for all current construction and traffic impacts.

• Vehicles: Additional work on eastbound US 36 to southbound Broadway will take place in spring 2023.
• Parking: Street parking on the east side of Broadway is open.
• Bicycles: The northbound and southbound bicycle lanes are open. Additional work that requires longer periods of warm weather is on pause for the winter, including bike lane striping to help delineate the use of space between bikes and parked cars.

The map below shows construction-free alternative routes for people walking and biking.

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Map of Construction-Free Alternative Routes for Pedestrians and Bicyclists

While the North Broadway Reconstruction project’s primary goal is to provide long-term pavement maintenance, safe, low-stress travel options are a key consideration and the city incorporates multimodal improvements into transportation projects whenever possible.

Community engagement on this project reflected a strong desire for a multi-use path for all ages and abilities. Although protected bike lanes were also considered, the final raised, buffered bike lane design ensures that the project has space for this multi-use path on the west side while also balancing the trade-offs associated with limited roadway space.

This design aligns with the North Boulder Subcommunity Plan and the Low-Stress Walk and Bike Network to support infrastructure for safe and comfortable transportation options across the city.

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The roadway pavement on North Broadway is in poor condition and requires reconstruction. This project will provide a more durable pavement that does not require as frequent maintenance and provide a safer and better riding experience for drivers, transit riders and on-street bicyclists.

The project applied for and received a federal grant to reconstruct the pavement in concrete as well as retain and possibly enhance or add pedestrian, bicycle and transit stop facilities and improvements. There is also some funding for street lighting, landscaping and public art.

The updated scope includes:

• Pavement reconstruction in concrete and new curb and gutter
• Improvement to the on-street bicycle facilities
• Multi-use path on the west side of Broadway from Violet Avenue to US 36
• Installation of a traffic signal at Broadway and Yarmouth Avenue and new or improved traffic signal interconnection and bicycle detection systems
• Pedestrian and transit stop upgrades
• Construction of a new drainageway underpass for the Fourmile Canyon Creek crossing of Broadway
• Reduction of posted speed limits from 35 mph to 30 mph from Violet Ave to south of Lee Hill Drive and from 40 mph to 35 mph from south of Lee Hill Drive to US 36.

The state funding is $6.2 million with a local City of Boulder match of $1.3 million. The remaining required funds will come from the city.

This supports the budgeting principles and priorities of the Transportation Master Plan, which makes preserving the existing transportation infrastructure and system a high priority.

2020 Open House

An open house to present the final design, construction timeline and anticipated impacts was held in early 2020.

June 2019 Open House

Please note that the materials provided below do not include the raised, buffered bike lanes recommended at the Transportation Advisory Board meeting on Aug. 13, 2019.

• Project Background
• Area Projects and Related Plans
• Project Decision-Making Process
• Project Preferred Option
• Bike Lane Alternatives
• Project Phasing
• Project Urban Design
• Fourmile Canyon Creek at Broadway Drainageway Improvement
• Fourmile Canyon Creek at Broadway Improvement Rendering
• Fourmile Canyon Creek Future Improvements

In August 2019, TAB voted to support the updated recommended design for the project, which includes raised/buffered bike lanes on Broadway from Violet Avenue - Lee Hill Drive, buffered bike lanes from Lee Hill Drive to US 36 and an off-street multiuse path along the west side of Broadway.

2016 and 2017 Meetings

A summary of input received is included here.

• NoBo Art District First Friday Art Walk, Sept. 1, 2017
• On site, Spruce Confections in north Boulder , Aug. 22, 2017
• On Site, Amante Coffee in north Boulder, Aug. 23, 2017.
• North Boulder Public Works Transportation & Utilities Open House, May 22, 2017.
  • If you were unable to attend the open house, the meeting materials are available below:
• North Broadway Reconstruction and Mobility Hub Open House, October, 17, 2016.
  • If you were unable to attend the open house, the meeting materials are available below:
    • North Broadway Open House Board
    • Existing Transportation Data
    • Existing Conditions and Property Information
  • Learn more about the North Boulder Mobility Hub.