Tag Archives: Tunnel Boring Machine

Digging a Hole: The Massive Tunnel Boring Machine Used to Create City Subways

And here I was, thinking that the city council just hired a bunch of midgets with rock hammers to dig out subway system. But nope, as it turns out the New York City Transit system uses a massive contraption called a Tunnel Boring Machine, or a TBM, which literally bores tunnel-sized holes through the�subterranean�catacombs of the city. According to NYC ...

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