article_snippet.sent: A two-mile Victorian railway line which was shut down 50 years ago under a programme of sweeping closures could reopen as Britain's longest cycle tunnel.
article_snippet.sent: A two-mile Victorian railway tunnel which was closed as part of the Beeching cutbacks could reopen as Britain's longest cycle tunnel .
article_snippet.sent: It would also mean cyclists could retrace the route where steam locomotives carried coal from the Rhondda Valley to the port city of Swansea - something which supporters  believe could be a huge boom to the tourist industry.
article_snippet.sent: Leanne Wood, leader of Plaid Cymru, said: 'There is a real buzz about this project which could transform these valleys if A two-mile Victorian railway tunnel which was closed as part of the Beeching cutbacks is opened up.'
article_snippet.sent: The railway tunnel, the seventh biggest in Britain, runs beneath the mountains under the Dunraven Forest in the South Wales Valleys.
article_snippet.sent: The railway tunnel, which runs beneath the mountains under the Dunraven Forest in the South Wales Valleysthe South Wales Valleys, was opened in 1890 in a huge boom to the tourist industry.
highlights_snippet.sent: Cyclists could retrace steam locomotives' route from Rhondda to Swansea .
  