As part of the Walsh-Shea Corridor Constructors design-build team, HNTB served as lead designer and principal engineer for the light rail line, previously known as the Crenshaw/LAX Line. The HNTB design and construction team included more than 30 subconsultants, including Arup, and was comprised of a diverse group of businesses that reflected the local community.
The completed initial operating segment runs between Expo/Crenshaw Station and Westchester/Veterans Station with a free bus shuttle for passengers connecting to the Metro C Line Aviation/LAX Station. The K Line is expected to offer light rail service to the LAX community and the airport in 2024.
“Metro continues to invest in developing world-class equitable infrastructure for the benefit of all Angelenos,” said Art Hadnett, HNTB Senior Vice President and Regional Growth Officer. “The K Line offers an option to congested roadways and provides significant environmental benefits, economic development, and employment opportunities throughout Los Angeles County as we look ahead to the Summer Olympics in 2028.”
The project includes 1.5 miles of twin-bored tunnels with a 21-foot excavated diameter and three underground cut-and-cover stations under Crenshaw Boulevard. The overall design included all permanent fixed facilities and systems, tunnel structures, cut-and-cover stations, track, and special trackwork such as existing line tie-ins, diamond crossings, universal crossovers, pocket track, siding track, single crossovers, and yard lead tie-ins.
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Metro and the team’s community-oriented design and construction approach was responsive and built with the input of the local community. From supporting small businesses, providing local employment opportunities, and incorporating community-based artwork for each station, the K Line will serve as a model for how future transit projects are built.
