Longtime Brooklyn residents or local history buffs may be familiar with the abandoned tunnel under Atlantic Ave., dating back from the 1840's and rediscovered by a local resident in 1982.
From the MIT web site "The Atlantic Avenue Tunnel, as it is now called, was built in seven months in 1844 by the Long Island Rail Road [Map] to relieve congestion in downtown Brooklyn. [Photos from a March tour and a 1995 of the tunnel.] It was part of a rail network that eventually took passengers to Boston. For mainly political reasons, it was closed not too many years after it opened; the last train ran through it in 1859. In 1861, the tunnel was sealed up. The tunnel is 17 feet high and 21 feet wide; the navigable portion of the tunnel is from 1700 to 2000 feet overall.
In time, it became sort of an urban legend, and many stories were born about it and what uses some people may be putting it to. There were also various attempts to find it throughout the years. In the early '80s, Bob Diamond heard about it, and became captivated. [Images from Bob Diamond] He made it his mission to locate it, and through several years of research and physical work, he entered the tunnel."
Photos can be seen at :
http://www.kodakgallery.com/I.jsp?c=12s7evvm.6pu8j1a2&x=0&y=pclx19 - click on 'View Photos'.
More details can be seen at
http://the-tech.mit.edu/~Subway/Tunnel/ and http://www.forgotten-ny.com/SUBWAYS/tunnel/tunnel.html
Here I am climbing out - and on the right is my wife climbing in.
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