State Street and Pierce Park Lane Intersection

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The Ada County Highway District (ACHD) is designing future improvements for the State Street and Pierce Park Lane Intersection. This project aims to improve safety and connectivity for all users, accommodate future traffic volumes, and incorporate ideas and concerns gathered from the public.

The improvements for State Street and Pierce Park Lane include:

  • Realigning Pierce Park Lane to improve safety and provide better line of sight for drivers
  • Widening State Street within the project limits and add medians where necessary for safety
  • Providing U-turns at multiple locations
  • Adding continuous multi-use pathways for pedestrians and cyclists
  • Adding additional crosswalk on State Street

The Ada County Highway District (ACHD) is designing future improvements for the State Street and Pierce Park Lane Intersection. This project aims to improve safety and connectivity for all users, accommodate future traffic volumes, and incorporate ideas and concerns gathered from the public.

The improvements for State Street and Pierce Park Lane include:

  • Realigning Pierce Park Lane to improve safety and provide better line of sight for drivers
  • Widening State Street within the project limits and add medians where necessary for safety
  • Providing U-turns at multiple locations
  • Adding continuous multi-use pathways for pedestrians and cyclists
  • Adding additional crosswalk on State Street

  • February 19, 2026

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    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • The new signal at Pierce Park was activated the night of January 14th.
    • Traffic on Pierce Park has been shifted onto the new concrete pavement on the west side of Pierce Park.
    • Contractor excavating for curb, gutter, sidewalk, and roadway on the east side of Pierce Park.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is anticipated to be complete for this phase in mid-March.
    • Concrete paving was completed for this phase on February 12th.
    • The traffic swap to the second phase of the project is anticipated for late March or early April.
    • Work is weather dependent.

  • February 12, 2026

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    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • The new signal at Pierce Park was activated the night of January 14th. Traffic on Pierce Park has been shifted onto the new concrete pavement on the west side of Pierce Park.
    • Contractor excavating for curb, gutter, sidewalk, and roadway on the east side of Pierce Park.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is anticipated to be complete for this phase in mid-March.
    • Concrete paving was completed for this phase on February 12th.
    • The traffic swap to the second phase of the project is anticipated for late March or early April.
    • Work is weather dependent.

  • February 5, 2026

    Share February 5, 2026 on Facebook Share February 5, 2026 on Twitter Share February 5, 2026 on Linkedin Email February 5, 2026 link
    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • Underground electrical work is on-going for street lighting and for the new signal at Pierce Park.
    • The new signal at Pierce Park was activated the night of January 14th. Traffic on Pierce Park has been shifted onto the new concrete pavement on the west side of Pierce Park.
    • Contractor excavating for curb, gutter, sidewalk, and roadway on the east side of Pierce Park.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is complete on the east and north legs of the intersection for this phase and on-going on the west leg.
    • Concrete paving is anticipated to be completed by February 13th. Work is weather dependent.

  • January 30, 2026

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    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • Underground electrical work is on-going for street lighting and for the new signal at Pierce Park.
    • The new signal at Pierce Park was activated the night of January 14th. Traffic on Pierce Park has been shifted onto the new concrete pavement on the west side of Pierce Park.
    • Contractor excavating for curb, gutter, sidewalk, and roadway on the east side of Pierce Park.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is complete on the east and north legs of the intersection for this phase and on-going on the west leg.
    • Concrete paving is complete on the east leg and west leg for this phase, and on-going at the intersection and on the north leg.
    • Work is weather dependent.

  • January 23, 2026

    Share January 23, 2026 on Facebook Share January 23, 2026 on Twitter Share January 23, 2026 on Linkedin Email January 23, 2026 link
    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • Underground electrical work is on-going for street lighting and for the new signal at Pierce Park.
    • The new signal at Pierce Park was activated the night of January 14th. Traffic on Pierce Park has been shifted onto the new concrete pavement on the west side of Pierce Park.
    • Contractor excavating for curb, gutter, sidewalk, and roadway on the east side of Pierce Park.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is complete on the east and north legs of the intersection for this phase and on-going on the west leg.
    • Concrete paving is complete on the east leg and west leg for this phase, and on-going at the intersection and on the north leg.
    • Work is weather dependent.

  • January 16, 2026

    Share January 16, 2026 on Facebook Share January 16, 2026 on Twitter Share January 16, 2026 on Linkedin Email January 16, 2026 link
    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • Underground electrical work is on-going for street lighting and for the new signal at Pierce Park.
    • The new signal at Pierce Park was activated the night of January 14th. Traffic on Pierce Park has been shifted onto the new concrete pavement on the west side of Pierce Park.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is complete on the east and north legs of the intersection for this phase and on-going on the west leg.
    • Concrete paving is complete on the east leg and west leg for this phase, and on-going at the intersection and on the north leg.
    • Work is weather dependent.

  • January 9, 2026

    Share January 9, 2026 on Facebook Share January 9, 2026 on Twitter Share January 9, 2026 on Linkedin Email January 9, 2026 link
    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • Underground electrical work is on-going for street lighting and for the new signal at Pierce Park.
    • The new signal at Pierce Park will be activated the night of January 14th. Traffic on Pierce Park will be shifted onto the new concrete pavement on the west side of Pierce Park.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is complete on the east and north legs of the intersection for this phase and on-going on the west leg.
    • Concrete paving is complete on the east leg and west leg for this phase, and on-going at the intersection and on the north leg.
    • Work is weather dependent.

  • December 18, 2025

    Share December 18, 2025 on Facebook Share December 18, 2025 on Twitter Share December 18, 2025 on Linkedin Email December 18, 2025 link
    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • Underground electrical work is on-going for street lighting and for the new signal at Pierce Park.
    • The new signal is anticipated to be operational in January.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is complete on the east side of the project for this phase and on-going at the north leg and on the west leg.
    • Concrete paving is complete on the east leg and west leg for this phase, and on-going at the intersection and on the north leg.
    • Work is weather dependent.

  • December 11, 2025

    Share December 11, 2025 on Facebook Share December 11, 2025 on Twitter Share December 11, 2025 on Linkedin Email December 11, 2025 link
    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • Underground electrical work is on-going for street lighting and for the new signal at Pierce Park.
    • The new signal is anticipated to be operational in December or January.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is complete on the east side of the project for this phase and on-going at the north leg and on the west leg.
    • Concrete paving is complete on the east leg and west leg for this phase, and on-going at the intersection and on the north leg.
    • Work is weather dependent.

  • December 4, 2025

    Share December 4, 2025 on Facebook Share December 4, 2025 on Twitter Share December 4, 2025 on Linkedin Email December 4, 2025 link
    • Utility relocation work is complete for the first phase of work.
    • Traffic calming plan has been implemented in the neighborhoods north of State Street.
    • Traffic has been shifted to the south so the Contractor can construct the north side of State Street.
    • Left turns have been eliminated through the work zone.
    • Underground electrical work is on-going for street lighting and for the new signal at Pierce Park.
    • The new signal is anticipated to be operational in December or January.
    • Concrete for sidewalk, curb, and gutter is complete on the east leg for this phase and on-going at the intersection and on the west leg.
    • Asphalt paving is complete on the east side of the project for this phase and on-going at the north leg and on the west leg.
    • Concrete paving is complete on the east leg and west leg for this phase, and on-going at the intersection and on the north leg. Work is weather dependent.
Page last updated: 19 Feb 2026, 01:21 PM