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MTA completes first Second Avenue subway tunnel


vdf Credit: RJ Mickelson

Transit officials Monday announced that digging of one of the tunnels for the Second Avenue Subway has been completed and that the boring machine will start plowing away on a second tunnel for the project this spring.


Here are some big numbers about the dig:

• 7,612:  Number of feet mined to complete digging of first tunnel.

• 485: Number of tons the boring machine weighs.

• 450: Length in feet of the machine.

• 2016: Estimated completion year of the first phase of the Second Avenue Subway project.

• $4.4 billion: Cost of completion of the first phase, which would create three new stations on Second Avenue at 96th, 86th and 72nd Streets.

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