Time for 54-Foot Tunnel Boring Machine for California’s $12B Rail Extension

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California's $12 billion rail extension project is deploying a 54-foot tunnel boring machine to excavate 75 feet underground and connect four new stops to Silicon Valley transit service. The TBM will advance 30-40 feet daily to complete the underground tunneling work.

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The TBM will travel 30-40 feet per day 75 feet underground to extend the Silicon Valley transit service to four new stops.

This story was originally published by Equipment World.

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