Park City, Utah, undergrounding project moves forward with conduit installation
(UI) — Conduit installation is now underway in Park City, Utah, as crews advance a multi-phase project to move overhead transmission lines underground through the Bonanza Park area.
The project, led by Rocky Mountain Power, began initial work in August 2025 with early conduit placement and installation of two underground vaults. As of April 2026, construction has shifted to active conduit installation along Kearns Boulevard, where traffic controls and lane reductions are in place to support trenching and utility work.
Crews are installing conduit beneath key corridors including Boot Hill and Woodbine Way, forming the backbone of a new underground transmission route that will connect to an existing substation. Work will continue through May with phased lane closures and repaving, before shifting to additional excavation and conduit installation later this summer.
The broader project will run through 2027 and includes tying the new underground system into existing infrastructure and removing overhead transmission lines and towers. Once complete, the upgrade will relocate electrical infrastructure below ground, reduce wildfire risk and open up space for redevelopment in the Bonanza Park area.
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