Lake Hazel and Maple Grove Roundabout

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This project is substantially complete. 

The Ada County Highway District (ACHD) is designing a future roundabout for the Lake Hazel & Maple Grove intersection. The purpose of the project is to improve traffic flow and increase safety for all users.

Project Description

  • Construct a multi-lane roundabout at the Lake Hazel and Maple Grove intersection
  • Add curb, gutter, and a detached 10-foot wide multi-use pathway
  • Construct crosswalks at each leg of the intersection with two-stage pedestrian crossings
  • Install rectangular rapid flashing beacons (RRFBs) at each pedestrian crosswalk
  • Add a truck apron for larger vehicles to use if necessary

The Ada County Highway District (ACHD) is designing a future roundabout for the Lake Hazel & Maple Grove intersection. The purpose of the project is to improve traffic flow and increase safety for all users.

Project Description

  • Construct a multi-lane roundabout at the Lake Hazel and Maple Grove intersection
  • Add curb, gutter, and a detached 10-foot wide multi-use pathway
  • Construct crosswalks at each leg of the intersection with two-stage pedestrian crossings
  • Install rectangular rapid flashing beacons (RRFBs) at each pedestrian crosswalk
  • Add a truck apron for larger vehicles to use if necessary

This project is substantially complete. 

  • July 12, 2024

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    • All legs of the roundabout are open to traffic.
    • Pedestrian railing on the southwest corner complete.

  • June 28, 2024

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    • All legs of the roundabout are open to traffic.
    • Minor work remains.
    • Waiting on pedestrian railing on the southwest corner.

  • June 21, 2024

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    • All legs of the roundabout are open to traffic.
    • Minor work remains.
    • Waiting on pedestrian railing on the southwest corner.

  • June 14, 2024

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    • All legs of the roundabout are open to traffic.
    • Minor work remains.
    • Waiting on ped railing on the southwest corner.

  • June 7, 2024

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    • All legs of the roundabout are open to traffic.
    • Minor work remains.

  • May 31, 2024

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    • All legs of the roundabout are open to traffic.
    • Minor work remains.

  • May 23, 2024

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    • South leg of roundabout scheduled to be open in late May or early June.
    • Minor work remains.

  • May 16, 2024

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    • Contractor working on sidewalk at various locations around the project.
    • Asphalt multiuse path complete.
    • Opened three legs of the roundabout April 26th.
    • South leg of roundabout scheduled to be open in late May or early June.

  • May 10, 2024

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    • Contractor working on sidewalk at various locations around the project.
    • Contractor completed concrete pavement mainline.
    • Asphalt paving complete.
    • Installation of pavement markings complete.
    • Opened three legs of the roundabout April 26th.
    • South leg of roundabout scheduled to be open in late May or early June.

  • May 3, 2024

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    • Contractor working on sidewalk at various locations around the project.
    • Contractor completed concrete pavement mainline.
    • Asphalt paving complete. Installation of pavement markings complete.
    • Opened three legs of the roundabout April 26th.
    • South leg of roundabout scheduled to be open in late May or early June.