2022 Pavement and Pedestrian Improvements

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This project is substantially complete. 

The Ada County Highway District (ACHD) will be reconstructing several streets in Ada County as part of a federal aid project to improve pavement conditions and upgrade the streets for all users.

Work could include:

  • Reconstructing streets or removing and replacing pavement to improve roadway conditions
  • Filling in sidewalk gaps to increase connectivity
  • Adding bulb-outs and signalized pedestrian crossings where appropriate to improve safety
  • Installing Accessible Pedestrian Signals (APS) and pedestrian push buttons.
  • Upgrading and/or installing pedestrian ramps to meet modern standards and the Americans with Disabilities Act (ADA).

Street Segments:

  • 9th St., Idaho St. to Bannock St. - Replace existing asphalt with concrete; install pedestrian bulb outs; replace existing pedestrian ramps; replace existing driveway approaches and traffic signals.
  • 20th St., Lemp St. to Irene St. - Reconstruct roadway; replace existing pedestrian ramps; replace damaged sidewalk
  • Amity Rd., Enterprise St. to Production St. - Reconstruct roadway
  • Bluegrass Ave., Ellen's Ferry Dr. to Castle Dr. - Remove and replace pavement; install bulb-outs; replace existing pedestrian ramps
  • Castle Hill Way, Castle Dr. to Drawbridge Dr. - Remove and replace pavement; install bulb-outs; replace existing pedestrian ramps; replace existing driveway approach
  • Drawbridge Dr., West End to Castle Hill Way - Remove and replace pavement; install bulb-outs; replace existing pedestrian ramps
  • Enterprise St., Amity Rd. to Commerce Ave. - Reconstruct roadway; replace existing pedestrian ramp
  • Maple Grove Rd., I-84 Bridge to Franklin Rd. - Remove and replace pavement; install a pedestrian hybrid beacon at Maple Grove and Shoup; replace existing pedestrian ramps
  • Morris Hill Rd., west of Liberty St. to Hartman St. - Reconstruct roadway; replace existing pedestrian ramps
  • Roosevelt St., Emerald St. to Irving St. - Remove and replace pavement; install bulb-outs; replace existing pedestrian ramps; install new sidewalk to fill gaps; replace existing driveway approaches; rebuild existing speed humps
  • Spaulding St., Phillippi St. to Orchard St. - Reconstruct roadway; install bulb-outs; replace existing pedestrian ramps; rebuild existing speed humps
  • Turret Way, Drawbridge Dr. to Castle Dr. - Reconstruct roadway; install bulb-outs; replace existing pedestrian ramps

Commuters are reminded to obey all road closure signs and follow the signs along the detour route. Commuters should never attempt to drive, bike, or walk on closed portions of the road, regardless of whether there appears to be active construction. It is unlawful to move or manipulate construction signs and doing so can put commuters and construction workers at great risk.

The Ada County Highway District (ACHD) will be reconstructing several streets in Ada County as part of a federal aid project to improve pavement conditions and upgrade the streets for all users.

Work could include:

  • Reconstructing streets or removing and replacing pavement to improve roadway conditions
  • Filling in sidewalk gaps to increase connectivity
  • Adding bulb-outs and signalized pedestrian crossings where appropriate to improve safety
  • Installing Accessible Pedestrian Signals (APS) and pedestrian push buttons.
  • Upgrading and/or installing pedestrian ramps to meet modern standards and the Americans with Disabilities Act (ADA).

Street Segments:

  • 9th St., Idaho St. to Bannock St. - Replace existing asphalt with concrete; install pedestrian bulb outs; replace existing pedestrian ramps; replace existing driveway approaches and traffic signals.
  • 20th St., Lemp St. to Irene St. - Reconstruct roadway; replace existing pedestrian ramps; replace damaged sidewalk
  • Amity Rd., Enterprise St. to Production St. - Reconstruct roadway
  • Bluegrass Ave., Ellen's Ferry Dr. to Castle Dr. - Remove and replace pavement; install bulb-outs; replace existing pedestrian ramps
  • Castle Hill Way, Castle Dr. to Drawbridge Dr. - Remove and replace pavement; install bulb-outs; replace existing pedestrian ramps; replace existing driveway approach
  • Drawbridge Dr., West End to Castle Hill Way - Remove and replace pavement; install bulb-outs; replace existing pedestrian ramps
  • Enterprise St., Amity Rd. to Commerce Ave. - Reconstruct roadway; replace existing pedestrian ramp
  • Maple Grove Rd., I-84 Bridge to Franklin Rd. - Remove and replace pavement; install a pedestrian hybrid beacon at Maple Grove and Shoup; replace existing pedestrian ramps
  • Morris Hill Rd., west of Liberty St. to Hartman St. - Reconstruct roadway; replace existing pedestrian ramps
  • Roosevelt St., Emerald St. to Irving St. - Remove and replace pavement; install bulb-outs; replace existing pedestrian ramps; install new sidewalk to fill gaps; replace existing driveway approaches; rebuild existing speed humps
  • Spaulding St., Phillippi St. to Orchard St. - Reconstruct roadway; install bulb-outs; replace existing pedestrian ramps; rebuild existing speed humps
  • Turret Way, Drawbridge Dr. to Castle Dr. - Reconstruct roadway; install bulb-outs; replace existing pedestrian ramps

Commuters are reminded to obey all road closure signs and follow the signs along the detour route. Commuters should never attempt to drive, bike, or walk on closed portions of the road, regardless of whether there appears to be active construction. It is unlawful to move or manipulate construction signs and doing so can put commuters and construction workers at great risk.

This project is substantially complete. 

  • April 5, 2024

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    • 9th Street, Idaho Street to Bannock Street
      • Waterline work by Veolia is complete.
      • ACHD’s project started March 4th.
      • 9th Street will be closed during the work.
      • The existing signal at 9th Street & Bannock Street has been removed.
      • New signal installation is on-going.
      • Concrete sidewalk work is complete.
      • Brick replacement is on-going.
      • Removal of existing asphalt is complete.
      • Concrete paving is scheduled.

  • March 29, 2024

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    • Waterline work by Veolia is complete.
    • ACHD’s project started March 4th.
    • 9th Street will be closed during the work.
    • The existing signal at 9th Street & Bannock Street has been removed.
    • New signal installation is on-going.
    • Concrete sidewalk work is scheduled to be done the week of March 25th.
    • Removal of existing asphalt is scheduled to start March 28th.
    • Concrete paving is scheduled to start the week of April 1st.

  • March 21, 2024

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    • 9th Street, Idaho Street to Bannock Street - Waterline work by Veolia is complete. ACHD’s project started March 4th. 9th Street will be closed during the work. The existing signal at 9th Street & Bannock Street has been removed. New signal installation is on-going. Concrete sidewalk work is scheduled to be done the week of March 25th . Removal of existing asphalt is scheduled to start March 26th.

  • March 15, 2024

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    • 9th Street, Idaho Street to Bannock Street - Waterline work by Veolia is complete. ACHD’s project started March 4th.
    • 9th Street will be closed during the work.
    • The existing signal at 9th Street & Bannock Street has been removed.
    • New signal installation is on-going.
    • Concrete demolition is nearly complete.
    • Concrete sidewalk work is on-going.
    • Alley work on the west side of 9th Street started March 14th.
    • The alley is expected to reopen the afternoon of March 18th.

  • March 8, 2024

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    9th and Bannock

    • Waterline work by Veolia is complete.
    • ACHD’s project started March 4th .
    • 9th Street will be closed during the work.
    • The existing signal at 9th Street & Bannock Street has been removed.
    • Concrete demolition on-going.
    • Concrete pour today for signal bases.
    • Concrete sidewalk work starts next week.

  • March 1, 2024

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    • 9th Street, Idaho Street to Bannock Street
      • Waterline work by Veolia is complete.
      • ACHD’s project is anticipated to begin March 4th.
      • 9th Street closed between Idaho Street to Bannock Street.

  • February 23, 2024

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    • 9th Street, Idaho Street to Bannock Street - Waterline work by Veolia is complete.
    • ACHD’s project is anticipated to begin March 4th.
    • 9th Street will be closed during the work.

  • February 16, 2024

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    • 9th Street, Idaho Street to Bannock Street - Waterline work by Veolia is complete.
    • ACHD’s project is anticipated to begin March 4th

  • December 15, 2023

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    • 9th Street, Idaho Street to Bannock Street -
    • Waterline work by Veolia is complete.
    • ACHD’s project is postponed to 2024.


    • Maple Grove Road - I-84 Overpass to Franklin Road
    • Concrete work is complete.
    • Roadway work is postponed to 2024

  • December 8, 2023

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    • 9th Street, Idaho Street to Bannock Street
      • Waterline work by Veolia is complete.
      • ACHD’s project will be postponed to 2024.
    • 20th Street, Lemp Street to Irene Street
      • Asphalt paving complete.
      • Minor work remains.
    • Bluegrass Avenue, Ellens Ferry Drive to Castle Drive
      • Complete.
    • Castle Hill Way, Castle Drive to Drawbridge Drive
      • Complete.
    • Drawbridge Drive, west of Crimson Drive to Turret Way
      • Complete.
    • Turret Way, Drawbridge Drive to Castle Drive
      • Complete.
    • Morris Hill Road, west of Liberty Street to Hartman Street
      • Complete.
    • Spaulding Street, Philippi Street to Orchard Street
      • Complete.
    • Roosevelt Street, Emerald Street to Irving Street
      • Complete
    • Maple Grove Road, I-84 Overpass to Franklin Road
      • Concrete work is complete.
      • Roadway work is delayed to spring 2024.
    • Amity Road, Enterprise Street to Production Avenue
      • Complete.
    • Enterprise Street,