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Re: Flip Flopping the 7 and N/Q

Posted by R36 #9346 on Thu Jan 19 18:22:57 2012, in response to Flip Flopping the 7 and N/Q, posted by PATHman on Thu Jan 19 11:13:48 2012.

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Here's an idea I had. It's a bit crazy though.

The gist of it involves replacing the existing underwater tunnels with new ones. Bulkheads and fill would be installed at a distance from the Grand Central and Vernon-Jackson stations. These installations would be designed to shield the existing tunnel from flooding with river water.

The existing tunnel would then be demolished and replaced with a new tunnel with more clearance, a wider loading gauge, and higher operating speeds.

During this time, 7 service would be reduced to operating between 5th Avenue and Hudson Yards.

The Queens section of the current 7 line would be served with two services. The W train would operate between Whitehall Street and Main Street. The Q51 bus would operate between Queens Plaza and Times Square via the Queens-Midtown Tunnel and 42nd Street.

The W train would operate nine-car trains with modified safety equipment for operation on both the Flushing Line and the Broadway Line, using G2 track through Queensboro Plaza in both directions. The N train would operate on G1 track through Queensboro Plaza in both directions. The Q train would by this time be operating between 57th Street/7th Avenue and 96th Street/2nd Avenue, so they won't be affected.

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