Incredible Images Of The Massive New Tunnels Hollowing New York City

There is a 7m long, 180-tonne steel monster under Manhattan. Dead, resting deep somewhere under Grand Central Station and Park Avenue, this machine and her twin brother excavated the massive tunnels that you can see here, one of the largest public transportation works of our time.

Here's an impressive new look at the amazing tunnels and caverns of the East Side Access, an extension of the Long Island Rail Road.

Together, the two massive earthworms and an army of machines and workers were able to eat 265,000 cubic metres of New York's bedrock heart, producing 9km of tunnels and the massive caverns that will house the new station under Grand Central. A project so big that it prompted — unfounded — fears of a major collapse of some old city buildings, like St Patrick's Cathedral.

The work — which started in 2006 — has been so complicated that the entire project has been delayed. Instead of 2014, it will now be operational in 2019. The tunnels extend from Sunnyside, Queens, to Grand Central, routing 24 trains per hour at peak capacity. That's an amazing 162,000 passenger trips to and from Grand Central per day.

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