Ustick Road, Black Cat Road to Ten Mile Road

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The Ada County Highway District (ACHD) will be reconstructing Ustick Road between Black Cat Road and Ten Mile Road. The purpose of this project is to improve traffic flow and increase safety for all users.

Ustick, Black Cat to Ten Mile

  • Widen Ustick Road to two lanes in each direction, with center turn lanes or center medians at key locations.
  • Construct curb, gutter, and a 10-foot-wide multi-use pathway with a safety buffer on both sides of the roadway for pedestrian and bicyclists.
  • Add a traffic signal at Naomi Avenue.
  • Install an enhanced pedestrian crossing across Ustick Road at the Nine Mile Pathway.
  • Upgrade stormwater facilities and replace irrigation pipes.

Ustick and Black Cat Intersection

  • Widen the Ustick Road and Black Cat Road intersection to include additional through lanes.
  • Add dedicated right and left turn lanes on all approaches.
  • Install curb, gutter, and multi-use pathways.

The Ada County Highway District (ACHD) will be reconstructing Ustick Road between Black Cat Road and Ten Mile Road. The purpose of this project is to improve traffic flow and increase safety for all users.

Ustick, Black Cat to Ten Mile

  • Widen Ustick Road to two lanes in each direction, with center turn lanes or center medians at key locations.
  • Construct curb, gutter, and a 10-foot-wide multi-use pathway with a safety buffer on both sides of the roadway for pedestrian and bicyclists.
  • Add a traffic signal at Naomi Avenue.
  • Install an enhanced pedestrian crossing across Ustick Road at the Nine Mile Pathway.
  • Upgrade stormwater facilities and replace irrigation pipes.

Ustick and Black Cat Intersection

  • Widen the Ustick Road and Black Cat Road intersection to include additional through lanes.
  • Add dedicated right and left turn lanes on all approaches.
  • Install curb, gutter, and multi-use pathways.

  • June 6, 2025

    06 Jun 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction.
    • Irrigation and seepage bed installation is nearly complete.
    • Roadway and sidewalk demo complete, and grade prep complete on the north side of Ustick for curb, gutter, and sidewalk.
    • Eightmile irrigation: Irrigation is complete for the season. Irrigation work, apart from Ninemile, is nearly complete in preparation for the City’s sewer bypass.
    • Rutledge has been sleeved for sewer line install.
    • Contractor is continuing site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.
    • Curb and gutter and sidewalk placements ongoing on the north side of Ustick.
    • Concrete paving placements will be ongoing.
    • Placement schedule will be every Monday and Wednesday moving forward.

  • May 30, 2025

    30 May 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction. Irrigation and seepage bed installation is ongoing. Roadway and sidewalk demo complete, and grade prep ongoing on the north side of Ustick for curb, gutter, and sidewalk.
    • Eight mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine mile, is nearly complete in preparation for the City’s sewer bypass. Rutledge has been sleeved for sewer line install.
    • Contractor is continuing site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.
    • Curb and gutter placements ongoing.
    • First concrete placement on the north side of Black Cat happened this week.
    • Placement schedule will be every Monday and Wednesday moving forward.

  • May 23, 2025

    23 May 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction. Irrigation and seepage bed installation is ongoing. Roadway and sidewalk demo complete, and grade prep ongoing on the north side of Ustick for curb, gutter, and sidewalk.
    • Eight mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine mile, is nearly complete in preparation for the City’s sewer bypass. Rutledge has been sleeved for sewer line install. Contractor is continuing site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.
    • Curb and gutter placements ongoing.
    • Concrete paving starting May 28th.

  • May 16, 2025

    16 May 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction. Irrigation and seepage bed installation is ongoing. Roadway and sidewalk demo complete, and grade prep ongoing on the north side of Ustick for curb, gutter, and sidewalk.
    • Eight mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine mile, is nearly complete in preparation for the City’s sewer bypass.
    • Rutledge has been sleeved for sewer line install.
    • Contractor is continuing site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.
    • Curb and gutter started this week.

  • May 8, 2025

    08 May 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction. Irrigation and seepage bed installation is ongoing. Roadway and sidewalk demo complete, and grade prep ongoing on the north side of Ustick for curb, gutter, and sidewalk.
    • Eight mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine mile, is nearly complete in preparation for the City’s sewer bypass. Rutledge has been sleeved for sewer line install.
    • Contractor is continuing site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone. Curb and gutter is scheduled for next week.

  • May 2, 2025

    02 May 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction. Irrigation and seepage bed installation is ongoing. Roadway and sidewalk demo complete, and grade prep ongoing on the north side of Ustick for curb, gutter, and sidewalk.
    • Eight mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine mile, is nearly complete in preparation for the City’s sewer bypass.
    • Rutledge has been sleeved for sewer line install.
    • Contractor is continuing site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.
    • Curb and gutter is scheduled for next week.

  • April 25, 2025

    25 Apr 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep are ongoing on the north side of Ustick.
    • Eight Mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine Mile, is nearly complete in preparation for the City’s sewer bypass.
    • Rutledge has been sleeved for sewer line install.
    • Contractor is continuing site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.

  • April 17, 2025

    17 Apr 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep are ongoing on the north side of Ustick.
    • Eight Mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine Mile, is nearly complete in preparation for the City’s sewer bypass.
    • Rutledge has been sleeved for sewer line install.
    • Contractor is starting site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.

  • April 11, 2025

    11 Apr 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Aspenstone Street is closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction.
    • Irrigation and seepage bed installation is ongoing.
    • Roadway and sidewalk demo and prep are ongoing on the north side of Ustick.
    • Eight mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine mile, is nearly complete in preparation for the City’s sewer bypass.
    • Rutledge has been sleeved for sewer line install.
    • Contractor is starting site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.

  • April 4, 2025

    04 Apr 2025
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    • Black Cat Road is closed north of Ustick Road.
    • Black Cat Road is open south of Ustick Road.
    • Elmstone Ave, north of Ustick Road, will re-open on Monday morning, April 7th. Once Elmstone is open, Aspenstone Street will be closed at Black Cat Road.
    • Ustick remains open: Traffic has been shifted onto the temporary asphalt on the south side of Ustick – one lane in each direction. Irrigation and seepage bed installation is ongoing. Roadway and sidewalk demo and prep are ongoing on the north side of Ustick.
    • Eight mile irrigation: Irrigation is complete for the season. Irrigation work, apart from Nine mile, is nearly complete in preparation for the City’s sewer bypass. Rutledge has been sleeved for sewer line install.
    • Contractor is starting site prep and demo on N Black Cat – asphalt has been removed up to Aspenstone.
Page last updated: 06 Jun 2025, 12:13 PM