• Hoosac Tunnel Discussion & News

  • Guilford Rail System changed its name to Pan Am Railways in 2006. Discussion relating to the current operations of the Boston & Maine, the Maine Central, and the Springfield Terminal railroads (as well as the Delaware & Hudson while it was under Guilford control until 1988). Official site can be found here: PANAMRAILWAYS.COM.
Guilford Rail System changed its name to Pan Am Railways in 2006. Discussion relating to the current operations of the Boston & Maine, the Maine Central, and the Springfield Terminal railroads (as well as the Delaware & Hudson while it was under Guilford control until 1988). Official site can be found here: PANAMRAILWAYS.COM.

Moderator: MEC407

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  by BandA
 
Perhaps the acid rain over many years. Probably also disintegrates cement and tunnel roof & rock. So not much limestone in the rock!
  by jaymac
 
There was a form of acid rain inside the Hoosac before electrification and again before railroads going to ULSD in 2012 -- wet sulfurous exhaust being blasted out of stacks and onto the roof.
  by gokeefe
 
My thoughts as well ...
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