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TRANSPORTATION: RAILROAD: HISTORY :
TRANSPORTATION: RAILROAD: SOUTHERN PACIFIC RAILROAD:
The Move that Sped up Train Travel over the Cuesta Grade
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The Move that Sped up Train Travel over the Cuesta Grade
Posted by David Middlecamp
May 29, 2015
The Tribune
http://www.sanluisobispo.com/2015/05/29/3656313/
electric-switching-speeds-trains.html
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A shorter URL for the above link:
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http://tinyurl.com/nhxxjhz
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One place a train wreck could be especially costly is the narrow Cuesta
Grade. With tunnels and mountain-hugging road beds, Mother Nature gave
railroaders no room for error.
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During both World Wars, the Southern Pacific Coast Line carried longer and
more frequent trains supporting military bases.
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When the line was built in the late 1800s, it ran on the basis of written
orders and switches thrown by hand.
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On Sept. 22, 1944, The Telegram-Tribune wrote of a new system installed in
San Luis Obispo to speed up train travel.
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Electrical Control Board Speeds Up Rail Traffic
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Like playing a fine piece of music in which no mistakes are allowed,
Southern Pacific train dispatchers are operating a keyboard of remote
electrical controls in San Luis Obispo to govern the movement of victory
trains over the hill between here and Santa Margarita in such volume as
would have been impossible before the war.
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70 Per Cent More Trains
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Over the predominantly single-track line, complicated with tunnels and
with grades of 2.2 per cent requiring helper engines, approximately 70 per
cent more trains are moving now in a typical month than in pre-war months,
with an average weight increase per train of about 30 per cent, reports
B.S. Bauman, assistant superintendent.
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The complete article may be read at the URL above.
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Temple University
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