The Honolulu Rail Transit Project is being built in three operating segments:
First Operating Segment (East Kapolei to Aloha Stadium)
- Trial operations, were completed in April 2023, including a full Safety and Security Certification process with local, state, and federal agencies.
- Segment 1 assets were transferred to the City’s Department of Transportation Services (DTS).
- Skyline opened to the public on June 30, 2023.
Second Operating Segment (Pearl Harbor to Middle Street)
- Includes four stations: Pearl Harbor, Airport, Lagoon Drive, and Middle Street.
- Trial Operations began on July 26, 2025. This phase includes testing 26 operating scenarios and a System Service Availability Demonstration to evaluate performance and reliability.
- Safety certification is being conducted in coordination with City, State, and federal agencies.
- Once all requirements are met, Segment 2 will be transferred to the Department of Transportation Services for passenger service. The anticipated opening date is October 16, 2025, as established by Mayor Rick Blangiardi, HART, and DTS.
Third Operating Segment (Kalihi to Civic Center)
- Includes six stations: Kalihi, Honolulu Community College—Kapālama, Iwilei, Chinatown, Downtown, and Civic Center.
- Guideway shaft construction in Iwilei is expected to begin summer 2025.
- Utility relocation work is underway to clear the way for columns, guideway, and stations.
- Downtown relocations (Kaʻaahi Street to Cooke Street) are nearly complete.
- Dillingham relocations (Middle Street to Kaʻaahi Street) are expected to be completed mid-2026.