Metro Regional Connector Transit Project

Metro Regional Connector Transit Project
Name	Metro Regional Connector
Locale	Los Angeles County, California
Transit type	Light rail, Downtown subway
System	Los Angeles County Metropolitan Transportation Authority system
Start	Little Tokyo/Arts District
End	7th Street/Metro Center
Stations	3 (new), with connections to A Line, E Line, B Line, D Line
Open	2023
Owner	Los Angeles County Metropolitan Transportation Authority
Operator	Los Angeles County Metropolitan Transportation Authority

Metro Regional Connector Transit Project is a light rail and subway tunnel link in Los Angeles County, California that connects multiple existing Los Angeles Metro Rail lines through a downtown underground alignment. The project was developed by the Los Angeles County Metropolitan Transportation Authority to provide one-seat regional service among formerly disconnected lines, improve transfers among major hubs such as Union Station and 7th Street/Metro Center, and support broader transit initiatives associated with Measure M and Measure R funding.

Overview

The Regional Connector creates an approximately 1.9-mile (3.1 km) underground light rail link through Downtown Los Angeles that permits through-routing of the A Line, E Line, and former L Line services, integrating operations with the B Line and D Line at major transfer points. The project aimed to reduce transfer times at interchanges like Little Tokyo/Arts District, Pico and 3rd Street while improving access to destinations such as Los Angeles Convention Center, Walt Disney Concert Hall, STAPLES Center and California Plaza. Planners intended the link to advance regional goals under the Los Angeles 2028 Summer Olympics transit planning and to complement investments in Metrolink and Amtrak services.

Planning and Approval

Initial concepts emerged from corridor studies conducted by the Southern California Association of Governments and the Los Angeles County Metropolitan Transportation Authority in the early 2000s, reflecting recommendations in the Long Range Transportation Plan and the 2008 Measure R implementation documents. The project underwent federal review with the Federal Transit Administration under the NEPA environmental review framework and later complied with state-level requirements of the California Environmental Quality Act. Funding combined local sales tax measures such as Measure R and Measure M, state cap-and-trade allocations, and anticipated federal grants administered by the Federal Transit Administration. Political stakeholders included the Los Angeles City Council, the Mayor of Los Angeles, neighborhood groups in Little Tokyo, business coalitions such as the Downtown Center Business Improvement District, and regional agencies like the California State Transportation Agency.

Design and Construction

Engineering design used a tunnel-boring machine approach for most of the alignment, with cut-and-cover methods for station caverns near sensitive landmarks including Little Tokyo and the Bradbury Building. Contractors coordinated with firms experienced in subway projects such as those that worked on the Second Avenue Subway in New York City and on extensions of the Washington Metro and the San Francisco Municipal Railway projects. Structural design addressed seismic considerations from the San Andreas Fault and nearby local faults, integrating base isolation, moment-resisting frames, and ground-improvement techniques used in projects like the Los Angeles Metro Purple Line Extension. Construction phases involved utility relocations with the Los Angeles Department of Water and Power, archaeological monitoring with the California Office of Historic Preservation, and mitigation measures under agreements with the National Trust for Historic Preservation for impacts near historic resources.

Route and Stations

The Regional Connector runs beneath key Downtown Los Angeles corridors, connecting stations at Little Tokyo/Arts District, Pershing Square (converted for through service), and 7th Street/Metro Center, enabling continuous runs between destinations served by the A Line to Long Beach and the E Line to Santa Monica. The alignment intersects with regional nodes including Pico and the Financial District, and provides enhanced transfers to intercity rail at Union Station and to bus rapid transit corridors such as the J Line. Stations were designed with accessibility standards from the Americans with Disabilities Act and include public art components coordinated by the Los Angeles County Metropolitan Transportation Authority's Arts Program, featuring commissions by artists linked to institutions like the Getty Museum and Los Angeles County Museum of Art.

Operations and Impact

Operational changes reconfigured service patterns to create through-routed lines that reduce or eliminate forced transfers, improving connectivity for commuters traveling between Long Beach, Pasadena, Santa Monica, and East Los Angeles. Expected impacts included increased weekday ridership on the Los Angeles Metro Rail network, modal shift benefits for corridors historically served by I-10 and I-110, and support for transit-oriented development projects near stations promoted by the City of Los Angeles Department of City Planning and affordable housing initiatives under SB 2 planning incentives. Operations coordinated with fare policies administered by the Los Angeles County Metropolitan Transportation Authority and interoperated with regional passes used by Metrolink and Amtrak passengers.

Controversies and Challenges

Controversies included concerns from preservation groups about impacts to historic neighborhoods such as Little Tokyo, disputes over construction mitigation with local businesses and cultural institutions including the Japanese American National Museum, budget increases linked to underground construction risks similar to those experienced by the Second Avenue Subway program, and litigation over environmental review raised by neighborhood coalitions and stakeholder organizations. Technical challenges involved groundwater control, utility relocations with the Los Angeles Department of Water and Power, and schedule pressures related to major events like the 2028 Summer Olympics in Los Angeles that drove political expectations. Post-opening issues included service disruptions during initial operations, coordination challenges with multiple rail operators, and debates about whether regional benefits justified project costs debated in forums such as hearings of the Los Angeles County Metropolitan Transportation Authority board and state legislative committees.

Category:Los Angeles County Metro Rail Category:Railway tunnels in California