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Horseshoe curve
Videos
A horseshoe curve is a class of climbing curve in a roadbed that reverses turn direction twice on either side of a single tight curve that varies through an angle of about 180 degrees or more.
A road switchbacks into a canyon in Utah's Canyonlands National Park.
A road switchbacks into a canyon in Utah's Canyonlands National Park.
Aerial shot of the Horseshoe Curve that helps trains cross the Allegheny Mountains west of Altoona, Pennsylvania.
Aerial shot of the Horseshoe Curve that helps trains cross the Allegheny Mountains west of Altoona, Pennsylvania.
The Flåm Line, 1926 shortly after construction Credit: Anders Beer Wilse
The Flåm Line, 1926 shortly after construction Credit: Anders Beer Wilse
Sand Patch Grade
Videos
Sand Patch Grade is an approximately 100-mile-long section of railroad track known for its steep grades and curves through the Allegheny Mountains of Pennsylvania and western Maryland. Dropping over 1
Horseshoe curve
…Altoona, and crosses two runs and three mountain faces using three gaps of the Allegheny Mance Curve, between Meyersdale and Hyndman, Pennsylvania, along Sand Patch Grade. Long operated by the Baltimore & Ohio Railroad, it is today part of CSX Transportation's Keystone Subdivision) used by freight trains and Amtrak's…
A B&O (Chessie System) EMD GP40-2 enters the Sand Patch Tunnel eastbound in 1987.
A B&O (Chessie System) EMD GP40-2 enters the Sand Patch Tunnel eastbound in 1987.