I-15; Spanish Fork Interchange Study
PROJECT WEBSITE: Project Website
All dates below are specific to the schedule of the Environmental Review and Permitting processes for this project.
ENVIRONMENTAL REVIEW AND PERMITTING STATUS
IN PROGRESS
ESTIMATED COMPLETION DATE OF ENVIRONMENTAL REVIEW AND PERMITTING
06/06/2028
ENVIRONMENTAL REVIEW AND PERMITTING PROCESSES
COMPLETED
SECTOR
Surface Transportation
CATEGORY
Project Category
DOT Projects

LEAD AGENCY
Utah
Other Agencies with Actions or Authorizations:
Department of the Interior, Fish and Wildlife Service

Department of Defense, US Army Corps of Engineers - Regulatory
Description:
The Utah Department of Transportation (UDOT) is initiating an Environmental Assessment (EA) to evaluate a potential new interchange on Interstate 15 (I-15) in southwest Spanish Fork in Utah County. The study area for the EA includes I-15 between the Main Street Interchange to the north (Exit 257 A-B) and the Benjamin interchange to the south (Exit 253); the area west of I-15, and east of I-15 along Center Street and surrounding roads. The EA was signed 11/15/2024, is available to the public on 11/25/2024 and comments are were due by 1/3/2025. A Finding of No Significant Impact (FONSI) was signed March 24, 2025. Project remains 'In Progress' due to the need for Section 404 permitting, pending on construction funding.
To view timetable chart, please turn device sideways (landscape)
Permitting Timetable
The permitting timetable below displays data as reported by agencies. Dates for Environmental Review and Permitting processes (Actions) that are in 'Paused' or 'Planned' status are subject to change and are not indicative of a project's final schedule.
- For information about extensions, select an Action from the timetable below and select 'View Action Details' at the bottom of the page.
Action Information
For additional information, please select an Action from the Permitting Timetable above.
- Action:
- Responsible Agency:
- Bureau:
- Action Status:
- SHPO:
- Action Identifier:
- Action Outcome:
Milestone | Original Target Date | Current Target Date | Milestone Complete |
---|