The City Center Utilities Relocation project include the movement of utilities, such as water, sewer, gas, electrical, and communications infrastructure, and relocating overhead utilities underground, to prepare for construction of the rail guideway and stations in the Kalihi, Iwilei, Downtown, and Kakaʻako areas.

The project scope also includes roadway widening to accommodate the placement of the guideway which includes relocating sidewalks, street lights and traffic signals.

The work is divided into three contracts:

• Downtown Utilities Relocation (Kaʻaʻahi Street to Cooke Street): Ongoing since 2022; nearly complete.
• Dillingham Utilities Relocation (Middle Street to Kaʻaʻahi Street): Ongoing since 2022; expected to be completed late 2026.
• City Center Guideway and Stations Construction: Contract awarded in 2024; guideway shaft construction began summer 2025.