Liberty Street, Denton to Douglas

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In November 2025, the Ada County Highway District (ACHD) began construction on Liberty Street between Denton Street and Douglas Street. The project includes pavement maintenance as well as safety and connectivity improvements for bicyclists and pedestrians. Construction is expected to be complete in summer 2027.*

Project Description

  • Perform pavement maintenance to improve roadway conditions on Liberty Street from Douglas to Denton.
  • Construct curb, gutter, and a multi-use pathway on the east side of Liberty Street from Douglas to Denton.
  • Add sidewalk on the west side of Liberty Street from Douglas to Denton.
  • On-street parking will remain on the west side.
  • Add new pedestrian ramps and bikeway signage where necessary.

Construction Impacts

  • Road closures are expected during construction
  • Traffic lanes will shift as work progresses
  • On-street parking will be reduced during construction
  • Lane restrictions with flaggers will help direct traffic
  • Expect 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 and maintain access

*Construction schedules may change.

In November 2025, the Ada County Highway District (ACHD) began construction on Liberty Street between Denton Street and Douglas Street. The project includes pavement maintenance as well as safety and connectivity improvements for bicyclists and pedestrians. Construction is expected to be complete in summer 2027.*

Project Description

  • Perform pavement maintenance to improve roadway conditions on Liberty Street from Douglas to Denton.
  • Construct curb, gutter, and a multi-use pathway on the east side of Liberty Street from Douglas to Denton.
  • Add sidewalk on the west side of Liberty Street from Douglas to Denton.
  • On-street parking will remain on the west side.
  • Add new pedestrian ramps and bikeway signage where necessary.

Construction Impacts

  • Road closures are expected during construction
  • Traffic lanes will shift as work progresses
  • On-street parking will be reduced during construction
  • Lane restrictions with flaggers will help direct traffic
  • Expect 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 and maintain access

*Construction schedules may change.

  • June 5, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb & gutter and sidewalk on the east side started May 7th and is on-going.
    • Asphalt paving for Phase 1 is scheduled for early June.
    • Work on the west side of the roadway is scheduled to begin in late June.
    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb & gutter and sidewalk on the east side started May 7th and is on-going.
    • Asphalt paving for Phase 1 is scheduled for early June.
    • Work on the west side of the roadway is scheduled to begin in late June.

  • Current Detour Map

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  • May 29, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road. and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb and gutter started May 7th and is on-going.
    • Asphalt paving for Phase 1 is scheduled for early June.
    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road. and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb and gutter started May 7th and is on-going.
    • Asphalt paving for Phase 1 is scheduled for early June.

  • May 21, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road. and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb and gutter started May 7th and is on-going.
    • Asphalt paving for Phase 1 is scheduled for early June.
    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road. and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb and gutter started May 7th and is on-going.
    • Asphalt paving for Phase 1 is scheduled for early June.

  • May 13, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road. and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb and gutter started May 7th and is on-going.
    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road. and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb and gutter started May 7th and is on-going.

  • May 8, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road. and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb and gutter started May 7th and is on-going.
    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Franklin Road. and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Franklin Road and Denton Street.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete for curb and gutter started May 7th and is on-going.

  • May 1, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Douglas Street and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Douglas Street and Denton Street.
    • The asphalt has been milled off the east side of the road.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete work is anticipated to start in early May.
    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Douglas Street and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Douglas Street and Denton Street.
    • The asphalt has been milled off the east side of the road.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete work is anticipated to start in early May.

  • April 24, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Douglas Street and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Douglas Street and Denton Street.
    • The asphalt has been milled off the east side of the road.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete work is anticipated to start in late April or early May.
    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Douglas Street and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Douglas Street and Denton Street.
    • The asphalt has been milled off the east side of the road.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete work is anticipated to start in late April or early May.

  • April 16, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Douglas Street and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Douglas Street and Denton Street.
    • The asphalt has been milled off the east side of the road.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete work is anticipated to start in late April.
    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Douglas Street and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Douglas Street and Denton Street.
    • The asphalt has been milled off the east side of the road.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete work is anticipated to start in late April.

  • April 10, 2026

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    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Douglas Street and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Douglas Street and Denton Street.
    • The asphalt has been milled off the east side of the road.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete work is anticipated to start in mid-April


    • Utility work started in advance of construction and is complete for the first phase of work.
    • Liberty Street is closed to northbound traffic between Douglas Street and Denton Street.
    • Liberty Street is open to one-lane, one-way traffic in the southbound direction between Douglas Street and Denton Street.
    • The asphalt has been milled off the east side of the road.
    • Seepage beds, irrigation work, City of Boise sewer work and storm drain pipe are complete for this phase of work.
    • Contractor is excavating and placing gravel for the roadway.
    • Concrete work is anticipated to start in mid-April


Page last updated: 22 Oct 2026, 08:03 PM