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		| Originally posted by ms. naughty diplomat throughout the washington area there are abandoned and long gone rail lines that if they still existed could be the basis of a light rail system at a relatively low price (one which could essentially paralell the proposed metro line to dulles airport, another could have gone from rockville, maryland through bethesda to georgetown)
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 Yep, the W&OD would make for a fine commuter rail line. 
Are they technically "gone forever"?  I thought the rails to trails thing was technically an easement from the RRs to the RtT group,because otherwise the neighbors would get their land back.  That said, it might well be politically impossible to reopen those rail lines, even if legally the right exists.