Long-Range Plan | 2023 - 2050 | Amendment #4
Long-Range Plan | 2023 - 2050 | Amendment #4
Study Complete
This study was completed in March 2026.
Where do we go from here?
To move from a study to a construction project, the following steps must occur. (Timelines vary for every project):
- Planning: The project is added to the Statewide Transportation Improvement Program (STIP).
- Funding: The project is prioritized and receives funding.
- Design & Construction: The project enters final design, followed by construction.
Questions?
Contact UDOT Region 1 at 801-620-1600
(Mon–Fri, 8 a.m.–5 p.m.).
Amendment #4 of 2023-2050 Long Range Plan
The following revision is proposed in Amendment #4 of the Utah Department of Transportation's (UDOT) Long Range Transportation Plan. This revision has been requested by UDOT Region Offices reflecting a change in priority of the project.
Project Description
Region 1 Amendment Request
Propose to move the Mountain Green Interchange project from Unfunded (Phase 2 Need) to Fiscally Constrained Phase 1. The Environmental Assessment was completed on August 25, 2025 with a Finding of No Significant Impact to improve system linkage in Mountain Green.
Propose to move the Elwood Interchange project from Phase 1 to Phase 3 and reclassify as a Phase 1 need.
Please submit any comments related to this amendment by Thursday, March 19, 2026 by 6:00 PM MST.
The table below shows the details of the project with a strikethrough showing proposed changes.
| Region | Project Name | Project ID | Description | Phase | 2022 Cost |
|---|---|---|---|---|---|
| 1 | I-84 & SR-167; New Mountain Green Interchange | U2023267 | Construct new interchange at Mountain Green and SR-167 | 1 (formerly 2) | $50,000,000 |
| 1 | I-15 & SR-13; Interchange Improvement, MP 376.8 (Elwood) | U2023262 | Improve difficult sight lines, angle, safety, and lighting | 3 (formerly 1) | $22,000,000 |
Please submit any comments related to Amendment #4 here
Contact Information
To contact the public information team with questions or concerns:
Email: planning@utah.gov