Projects – Page 9 – Idaho Transportation Department

US-91 Siphon Road to Reservation Road

ITD is developing plans to improve safety and operations on US Highway 91 (US-91) between Siphon Road and Reservation Road in Chubbuck.
- Project Regions
  Southeast Idaho
- Project Routes
  US-91
- Project Phase
  Planning & Design
US-91 Park Lawn and Siphon

The project will widen the existing US-91 (Yellowstone Ave.) from the current three-lane section to five-lanes from Park Lawn to the New Day Parkway intersection.
- Project Regions
  Southeast Idaho
- Project Routes
  US-91
- Project Phase
  Planning & Design
US-91 Yellowstone Ave. Concrete Replacement

The Idaho Transportation Department is designing plans to replace the roadway concrete in two sections of Yellowstone Avenue (US-91) in the cities of Pocatello and Chubbuck.
- Project Regions
  Southeast Idaho
- Project Routes
  US-91
- Project Phase
  Planning & Design
US-30: Yellowstone Avenue to Garrett Way

In 2018, Idaho Transportation Department completed a traffic study of the US-30 Yellowstone Avenue to Garrett Way corridor to analyze safety issues, traffic, geometrics, and community needs. In 2023,
- Project Regions
  Southeast Idaho
- Project Routes
  US-30
- Project Phase
  Planning & Design
SH-55, State Street to Horseshoe Bend Rehabilitation

Construction will resurface SH-555 from State Street to Horseshoe Bend.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 55
- Project Phase
  Complete
SH-44, I-84 to Star Road

The goal of this project is to evaluate and identify transportation improvements to enhance safety, operations, and multimodal connectivity to meet current and future needs.
- Project Regions
  Southwest Idaho
- Project Routes
  Interstate 84 State Highway 44
- Project Phase
  Planning & Design
SH-55 Eagle Road Safety Corridor

The goal of this multi-year initiative is to enhance safety on Idaho's busiest non-interstate highway.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 55
- Project Phase
  Planning & Design
I-15 Inkom Corridor

ITD is rebuilding I-15 structures at three locations in and near Inkom.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15
- Project Phase
  In Construction
I-86 and I-15 System Interchange

The Idaho Transportation Department improved the I-86/I-15 System Interchange in the Pocatello/Chubbuck metropolitan area.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15 Interstate 86
- Project Phase
  Complete
I-86 Business Loop / American Falls: Pocatello Ave

This project is expected to significantly improve efficiency and safety at the intersection of I-86 Business Loop and Pocatello Avenue.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 86
- Project Phase
  In Construction
Blackfoot SH-39: Widening and Intersection Improvements

This project improved safety and accommodated growth in West Blackfoot.
- Project Regions
  Southeast Idaho
- Project Routes
  State Highway 39
- Project Phase
  Complete