Projects |

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SH-16 Construction

SH-16 will improve regional mobility, provide access to I-84 in the rapidly growing central Treasure Valley, and improve commutes for thousands of motorists.
- Project Regions
  Southwest Idaho
- Project Routes
  Interstate 84 State Highway 16
- Project Phase
  In Construction
South Ada and Canyon County Connectivity Study

ITD, COMPASS, and partner agencies are conducting the South Ada and Canyon County Connectivity Study.
- Project Regions
  Southwest Idaho
- Project Routes
  Interstate 84 State Highway 16 State Highway 69
- Project Phase
  Study
SH-16, SH-44 to Beacon Light Road

Widening SH-16 between SH-44 and Beacon Light Road will help increase mobility and capacity in the growing communities of Star and Eagle.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 16
- Project Phase
  Planning & Design
US-95, Fruitland to Payette

The Idaho Transportation Department will rehabilitate US-95 from Fruitland to Payette starting in May 2026.
- Project Regions
  Southwest Idaho
- Project Routes
  US-95
- Project Phase
  In Construction
SH-55, Pear Lane to Farmway Road

ITD is designing improvements to State Highway 55 in Canyon County between Pear Lane and Farmway Road.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 55
- Project Phase
  Planning & Design
SH-55, Deinhard to Boydstun

ITD and the city of McCall are partnering to design preliminary roadway improvements for SH-55 and Deinhard Lane/Boydstun Street.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 55
- Project Phase
  Planning & Design
SH-44 and Palmer Lane Traffic Signal

The Idaho Transportation Department is developing plans to install a traffic signal at the intersection of State Highway 44 and Palmer Lane.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 44
- Project Phase
  In Construction
I-84 Centennial Way to Franklin Road

Construction began November 2023. Work will be complete in 2027.
- Project Regions
  Southwest Idaho
- Project Routes
  Interstate 84
- Project Phase
  In Construction Planning & Design
SH-55 Banks-Lowman Intersection Improvements

ITD is developing plans to improve the SH-55 Banks-Lowman Intersection. This intersection can experience significant traffic increases due to seasonal recreation attractions in the area.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 55
- Project Phase
  Planning & Design
I-84 Karcher Interchange

A redesigned interchange will increase safety and mobility in Nampa.
- Project Regions
  Southwest Idaho
- Project Routes
  Interstate 84 State Highway 55
- Project Phase
  In Construction
US-20/US-26 Chinden Drainage and Design Study

In partnership with Garden City, ITD is conducting a drainage and design study along Chinden Boulevard (U.S. Highway 20/26).
- Project Regions
  Southwest Idaho
- Project Routes
  US-20 US-26
- Project Phase
  Planning & Design
SH-52 Snake River Bridge Replacement

The bridge has reached the end of its service life and will be replaced.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 52
- Project Phase
  Planning & Design