Projects

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.

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.

Overview

The project will widen the existing US-91 (Yellowstone Avenue) from the current three-lane section to five-lanes from Park Lawn to the Siphon Road /New Day Parkway intersection, including a new northbound right-turn lane onto New Day Parkway from Yellowstone Avenue. In addition to the roadway widening, this project will include the design and installation of a new signal and pedestrian facilities at the Yellowstone Avenue and Siphon Road/ New Day Parkway intersection.

Map of project area

    Timeline

    • 2026

      Project construction begins.

    Contact

    If you have questions or comments about this project, please contact the project team at kevin.sonico@itd.idaho.gov.