I-15 | Hamilton Fort | Rebuild
I-15 | Hamilton Fort | Rebuild
UDOT is adding a northbound climbing lane on I-15 between the Kanarraville Rest Stop and the South Cedar Interchange. This project is also improving the Hamilton Fort Interchange at Exit 51.
Overview
Project Overview
The Utah Department of Transportation (UDOT) plans to construct a 13-mile-long northbound climbing lane on I-15 from the Kanarraville rest stop to the South Cedar Interchange, milepost 43 to 56. The project will widen I-15 through this area from two to three northbound lanes. The project will also reconstruct the northbound side of the Hamilton Fort interchange (Exit 51) with a roundabout constructed on the east side of I-15.
Construction is expected to require two construction seasons, beginning in Spring 2025 and ending in October 2026. Construction schedules are subject to change due to weather conditions and material availability.
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Exit 51 Roundabout
The images below show the concept design for the new roundabout that will be built off the northbound Hamilton Fort interchange. These images are only renderings and may be subject to change. 
Schedule
Work Hours: 6 a.m. - 5 p.m.
Work Days: Monday through Friday
There may be intermittent one-lane closures on I-15 during nighttime work hours of 7 p.m.- 7 a.m.
Contact Information
To contact the public information team with questions or concerns:
Hotline: 435-254-3305
Email: i15hamiltonfort@utah.gov
Stay Informed
To receive project updates, please contact the public information team at the email address above and enter "Project Updates" in the subject line.