Rose Hill and Owyhee Street Intersection

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The Ada County Highway District (ACHD) will begin repair work in mid-July on the east leg of the Rose Hill and Owyhee roundabout to address a drainage issue. Construction is expected to last approximately one month.*

Why the fix?

Water has been pooling in this area due to outdated design standards, construction survey errors, and a lack of proper drainage when the roundabout was originally built.

What's the solution?

ACHD will install a seepage bed to improve stormwater drainage and prevent future pooling.

Construction Impacts

  • The east leg of the intersection will be closed for the duration of the work
  • Pedestrian detours and sidewalk closures
  • General construction noise, dust, equipment backup alarms and ground vibration
  • Crews will work from 7 a.m. to 7 p.m. unless otherwise approved
  • The contractor will work with property owners to minimize impacts

*Construction schedules may change.

The Ada County Highway District (ACHD) will begin repair work in mid-July on the east leg of the Rose Hill and Owyhee roundabout to address a drainage issue. Construction is expected to last approximately one month.*

Why the fix?

Water has been pooling in this area due to outdated design standards, construction survey errors, and a lack of proper drainage when the roundabout was originally built.

What's the solution?

ACHD will install a seepage bed to improve stormwater drainage and prevent future pooling.

Construction Impacts

  • The east leg of the intersection will be closed for the duration of the work
  • Pedestrian detours and sidewalk closures
  • General construction noise, dust, equipment backup alarms and ground vibration
  • Crews will work from 7 a.m. to 7 p.m. unless otherwise approved
  • The contractor will work with property owners to minimize impacts

*Construction schedules may change.

  • June 13, 2025

    13 Jun 2025
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    ACHD will begin repair work in mid-July on the east leg of the Rose Hill and Owyhee roundabout to address a drainage issue. Construction is expected to last approximately one month.

  • November 15, 2024

    15 Nov 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic. Bike lanes are closed as well.
    • Concrete placements complete.
    • Block wall installation complete on three of the four corners.
    • Additional bikeway signage and devices are to be added next week.
    • Asphalt paving is on-going.
  • November 7, 2024

    07 Nov 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic. Bike lanes are closed as well.
    • Various concrete placements on going.
    • Block wall installation nearly complete on three of the four corners.
    • Additional bikeway signage and devices are to be added next week.
  • November 1, 2024

    01 Nov 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic. Bike lanes are closed as well.
    • Base material import and grading is complete.
    • Irrigation work complete.
    • Light pole bases and electrical boxes are set.
    • Curb and gutter being placed.
    • Concrete island and various sidewalk/ped ramps have been placed.
  • October 24, 2024

    24 Oct 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic. Bike lanes are closed as well.
    • Base material import and grading is nearly complete.
    • Irrigation work complete.
    • Light pole bases and electrical boxes are being set.
    • Curb and gutter being placed.
  • October 17, 2024

    17 Oct 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic. Bike lanes are closed as well.
    • Base material import and grading is nearly complete.
    • Irrigation work complete.
    • Light pole bases and electrical boxes are being set.
    • Curb and gutter being placed.

    Due to unforeseen delays in chip seal operations impacting the project the new target end date for construction completion is late November.

  • October 10, 2024

    10 Oct 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic.
    • Bike Lanes are closed as well.
    • Base material import and grading is nearly complete.
    • Irrigation work complete.
    • Light pole bases and electrical boxes are being set.
  • October 4, 2024

    04 Oct 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic. Bike Lanes are closed as well.
    • Thermoplastic and painted pavement markings complete east and west of the roundabout.
    • Contractor is working on grading the road.
    • Irrigation work ongoing.
  • September 26, 2024

    26 Sep 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic.
    • Thermoplastic and painted pavement markings complete east and west of the roundabout. Minor adjustments to be made.
    • Contractor started importing fill.
    • Irrigation work ongoing.
  • September 20, 2024

    20 Sep 2024
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    • Rose Hill and Owyhee intersection is closed for the duration of the project.
    • Pedestrian detour in place for school traffic.
    • Thermoplastic and painted pavement markings complete east and west of the roundabout. Minor adjustments to be made.
    • Contractor started demo and excavation.
    • Tree removal complete.
    • Survey set for irrigation and concrete placements.
    • Irrigation work starting this week.
Page last updated: 16 Jun 2025, 03:38 PM