A Look Into the Los Angeles Subway Tunnel Expansion Project

Newspaper staff follows a tunneling crew for a day on the job and shows a tunnel-boring machine up close

After five years of gathering funds and contests to name a tunnel-boring machine, work has begun on a subway tunneling project in Los Angeles.

The project, which was approved in 2012, will connect three lines in order to end the madness of changing to a different line to...

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