Bron: Photo by Sean Lamb (User:Slambo).
Auteursrechten: Creative Commons CC BY-SA 2.5
The Gallitzin Tunnels in Gallitzin, Pennsylvania, are a set of three adjacent tunnels through the Allegheny Mountains in western Pennsylvania. They were completed in 1854, 1855, and 1902 by the Pennsylvania Railroad as part of the cross-state route that includes the nearby Horseshoe Curve to the east. Their ownership has since passed to Penn Central Transportation Company, then to Conrail, and most recently to the Norfolk Southern Railway. The tunnels are currently used by Norfolk Southern freight trains and Amtrak Pennsylvanian passenger trains.
The first tunnel, which is the middle of the three bores through the mountain, was built by the PRR from 1851 to 1854. Originally named "Summit" Tunnel, it is 3,612 feet long at an elevation of 2,167 feet above mean sea level and is known today as the Allegheny Tunnel.
Bron: Wikipedia.org
Auteursrechten: Creative Commons 3.0
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Bron: Photo by Sean Lamb (User:Slambo).
Auteursrechten: Creative Commons CC BY-SA 2.5
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Bron: Photo by Sean Lamb (User:Slambo).
Auteursrechten: Creative Commons CC BY-SA 2.5
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