Projects – Idaho Transportation Department

Featured
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
Featured
SH-21 Lowman Bridge

The old bridge over the South Fork of the Payette River is at the end of its life cycle and is being rebuilt.
- Project Regions
  Southwest Idaho
- Project Routes
  State Highway 21
- Project Phase
  In Construction
Featured
US-30 Rocky Point Wildlife Crossing

The Idaho Transportation Department and the Idaho Department of Fish and Game are working together to design wildlife crossings south of Montpelier on US-30 at Rocky Point
- Project Regions
  Southeast Idaho
- Project Routes
  US-30
- Project Phase
  Planning & Design
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
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 interchanged will increase safety and mobility in Nampa.
- Project Regions
  Southwest Idaho
- Project Routes
  Interstate 84 State Highway 55
- Project Phase
  In Construction
I-90 SH-41 Interchange

ITD is reconstructing the I-90 and SH-41 interchange in Post Falls, along with making improvements to SH-41 and nearby local roads to enhance safety, traffic flow and connectivity in the area.
- Project Regions
  North Idaho
- Project Routes
  Interstate 90
- Project Phase
  In Construction
I-84 Jerome to Twin Falls

ITD is widening I-84 between the South Jerome Interchange and the Twin Falls Interchange. These improvements will increase capacity and improve safety on I-84 to serve the region for years to come.
- Project Regions
  South-Central Idaho
- Project Routes
  Interstate 84
- 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
Jefferson County Traffic Study

Traffic data is being collected and ideas being formulated to serve immediate and long-term transportation solutions in the greater Rigby area.
- Project Regions
  East Idaho
- Project Routes
  State Highway 48 US-20
- Project Phase
  Planning & Design
Soda Springs US-30 Road Reconstruction

This project will reconstruct a portion of US-30 through Soda Springs.
- Project Regions
  Southeast Idaho
- Project Routes
  US-30
- Project Phase
  In Construction