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A topographic map of the area around the Horseshoe Curve. Horseshoe Curve is 5 miles (8 km) west of Altoona, Pennsylvania, in Logan Township, Blair County.It sits at railroad milepost 242 on the Pittsburgh Line, which is the Norfolk Southern Railway Pittsburgh Division main line between Pittsburgh and Harrisburg, Pennsylvania.
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.
A horseshoe curve is a means to lengthen an ascending or descending grade and thereby reduce the maximum gradient. Grade or gradient is defined as the rise divided by the run (length) or distance, so in principle such curves add to length for the same altitude gain, just as would a climbing spiral around one or more peaks, or a climbing traverse (cutting) wrapping around an end of a ridge.
Leaving Altoona, the railroad travels at a 1.76% grade up the east slope of the Alleghenies, negotiating the famous Horseshoe Curve during that climb. Past the curve, the Pittsburgh Line continues to climb a grade of 1.86% to the small town of Gallitzin , where the mainline reaches the top of its climb at 2,167 feet (661 m) above sea level, the ...
A pre-restoration PRR 1361 on display at the Horseshoe Curve. In the early hours of October 8, 1983, The Loretto was badly damaged by arson. Two juveniles were charged with setting the fire, whose damage was estimated at $200,000. The Restore the Loretto Committee was formed to raise money to restore and preserve the railroad car. [16] [17]
Horseshoe curve; Hours of service; Hours of Work and Rest Periods (Road Transport) Convention, 1939 ... List of countries by traffic-related death rate; Loose ...
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The black trace in this map forming a hairpin turn above the Lakes is the famous & historic Horseshoe Curve built by the Pennsylvania Railroad which crosses over four different streams sitting in the bottom end of water gaps in the view, and finishes its climb in a fifth, seen below in the next (zoomed out) map, just north of a sixth Blair Gap ...