Ada County Highway District

Cole Road and Lake Hazel Road Intersection

Construction update as of 11/16/17:  The Preconstruction Meeting is scheduled for November 14. The Notice to Proceed is scheduled for November 27.

Work to start early October

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In early October 2017, construction will begin on the Cole and Lake Hazel intersection project. Construction is anticipated to be complete by late August 2018.

Neighborhood Impacts

  • Impacts include an intersection closure, lane restrictions with flaggers, general construction noise, dust, equipment back up alarms, pile driving, and ground vibration.

Closure

  • The intersection will be closed starting in late winter and reopen summer 2018. Local access up to the work zone will be maintained, however travel through the intersection will be prohibited.
  • Why? A closure is necessary due to the significant elevation work required to bring the intersection up to the new bridge over the New York Canal.

Construction FAQ

How will the neighborhood be impacted?

  • General impacts will include an intersection closure, lane restrictions with flaggers, general construction noise, dust, equipment back up alarms, pile driving, and ground vibration.
  • The intersection will be closed starting in late winter and reopen summer 2018. Local access up to the work zone will be maintained, however travel through the intersection will be prohibited.

Why does the intersection have to be closed?

  • A closure is necessary due to the significant elevation work required to bring the intersection up to the new bridge over the New York Canal.

What is the time frame for when the intersection will be closed?

  • We will not know an exact time frame for the closure until the contractor is onboard.

Will emergency services be able to go thru the intersection?

  • We are coordinating with emergency services so they can respond in a timely manner.

How will cut-thru traffic be handled?

  • Cut-thru traffic is definitely a concern, and ACHD will monitor the situation during construction so we can adjust strategies as needed. As of now, we have evaluated the area and taken into consideration past cut-thru traffic patterns, and decided to add stop signs at strategic locations. Existing speed humps will remain. Crews will also install traffic counters to help with monitoring.

Will the contractor be able to drive their trucks down Hollilynn Dr.?

  • No. The contractor will not be allowed to use Hollilynn as a truck route during this project.

How will school buses navigate the area with the intersection closed?

  • We are working to coordinate with both the West Ada and Boise School Districts.

General Description:

This project proposes to construct a new signalized intersection at Cole Road and Lake Hazel Road, as well as a new bridge on Lake Hazel Road over the New York Canal (#2216). The project proposes:

  • One through lane in each direction on Cole Road
  • Two through lanes in each direction on Lake Hazel Road
  • An exclusive right turn lane on the north leg and the east leg of the intersection
  • Single left turn lanes on the east and west legs of the intersection
  • Dual left turn lanes on the north and south legs of the intersection
  • Bike lanes and 7-foot attached sidewalks on all legs of the intersection
  • A new bridge over the New York Canal
  • The new elevation of the intersection of Cole Road and Lake Hazel Road will be approximately 17 higher than the elevation of the existing intersection in order to cross over the New York Canal. 

 

 

Design:
FY2017
Right-of-Way:
FY2017
Construction:
Fall 2017

Construction Time Frame

Start Date:
Fall 2017
End Date:
August 2018

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