UDOT plans to begin 152 new projects worth $1.68 billion in 2025, with 145 ongoing. Major projects include construction of new interchanges, widening of roads and transit improvements. Focus on safety, efficiency and reducing congestion in various counties with estimated completion dates ranging from 2026 to 2027.
Utah Department of Transportation photo
A crew works on an overpass project.
The Utah Department of Transportation (UDOT) announced on April 16, 2025, that 152 new construction projects worth $1.68 billion will start this year, with another 145 continuing construction.
Planned improvements range from infrastructure such as new interchanges, bridges and lanes to community-building measures such as extending transit routes and building trails.
"Every day, Utahns are out driving to work, picking up kids, heading to the mountains or just getting where they need to go," UDOT Deputy Director Lisa Wilson said. "Our job is to make sure those trips are as safe and smooth as possible. These projects might cause some short-term delays, but in the long run, they'll mean better roads, less congestion and a safer and more reliable way to get around — no matter how you travel."
Here are some of the major projects this summer:
1800 North and I-15 intersection: Davis County — $385 million
This project will build a new interchange at the intersection of 1800 North and Interstate 15 in Clearfield. Additionally, to accommodate current and future travel in the area, 1800 North will be widened up to 2000 West, an overpass at 500 West to cross the railroad will be added and other measures are planned to create space for a future Hill Air Force Base entrance gate. Work began in March and is expected to finish in the fall of 2027.
I-215 from SR-201 to North Temple: Salt Lake County — $190 million
Crews will repave 3 mi. of Interstate 215 and 14 mi. of ramps on State Route 201, Interstate 80 and California Avenue. In addition to repaving, 22 bridges will be repaved, a new drainage system will be installed, and pavement will be preserved for the next 15 years. This project is expected to start this summer and is anticipated to take two years to complete.
I-15 from Kanarraville to South Cedar interchange: Iron County — $90.3 million
This project will create a 13-mile-long northbound climbing lane on I-15 from the Kanarraville rest stop to the South Cedar interchange. Additionally, the project will widen I-15 to three northbound lanes, tying in an existing three-lane section constructed in 2020. The project also will reconstruct the northbound side of the Hamilton Fork interchange to improve clearance and construct a roundabout on the east side of I-15, next to Exit 51. Construction is anticipated to begin in May and is expected to conclude by December 2026.
Ongoing construction will continue this summer on several major UDOT projects:
Mountain View Corridor: Utah County — $466 million
Four new miles of freeway are being constructed to connect 2100 North in Lehi to Porter Rockwell Boulevard in Herriman. This project includes upgrading the intersection of 2100 North and Redwood Road with a new bridge, installing wildlife fencing and creating a multi-use trail. Construction is expected to last through the spring of 2026.
Bangerter Highway interchanges: Salt Lake County — $415.3 million
For more than a decade, UDOT has worked to eliminate stoplights on Bangerter Highway by converting intersections into interchanges. UDOT is building our new interchanges at 9800 South, 13400 South, 2700 West and 4700 South, with completion expected by the end of the year.
5600 South in Roy and Riverdale: Weber County — $361 million
This year, the 5600 South Improved Mobility project will begin phase three of its construction. This includes construction on the middle and side of I-15, as well as the reconstruction of 5600 South. Construction is expected to last through the summer of 2026.
State Route 162 and State Route 262: San Juan County — $152 million
Crews are continuing paving work to improve safety on state routes in San Juan County on the Energy Corridor. This year, crews also will install fiber-optic cables, cattle guards and drainage systems. Construction is expected to last through the spring of 2026.
Midvalley Express route: Salt Lake County — $104.1 million
Led and funded by UTA, UDOT will begin major construction of UTA's third bus rapid transit (BRT) route. This brand-new, seven-mile route will have 15 stations and provide a valuable connection to UTA commuter rail and light rails.
The construction of this all-electric line also will include the creation of 1.4 mi. of bus-only lanes and priority traffic signals to speed up the transportation of public transit users. Construction is expected to wrap in fall 2026.
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