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First of two tunnels for the Regional Connector Transit Corridor completed in Los Angeles

机译:在洛杉矶完成的区域连接器过境走廊的两个隧道中

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摘要

The area below ground in Los Angeles, CA is the scene of state-of-the-art engineering achievements. German high-tech tunnel-boring machines (TBM) from Herrenknecht are creating underground arteries for the city. One TBM, named Harriet, successfully completed her drive for the Crenshaw/LAX Transit Project in April 2017. A second TBM, named Angeli, finished digging the first of two tunnels for the Regional Connector Transit Corridor on July 18. From spring 2018 onward, the tunnel-boring stars will have additional company: for each of the Purple Line Extension Sections 1 + 2, two more Herrenknecht TBMs will be working their way through the difficult ground. All three projects are part of the strategic subway extension in Los Angeles to relieve the traffic above ground.
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