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TRANSPORTATION: SUBWAY :
UNITED STATES: CITIES: WASHINGTON, D.C. :
COMPUTER :
TECHNOLOGY:
Some Computer-Driven Trains Slated for Return to Red Line on Monday
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Some Computer-Driven Trains Slated for Return to Red Line on Monday
By Paul Duggan
April 9, 2015
Washington Post
http://www.washingtonpost.com/local/trafficandcommuting/
some-computer-driven-trains-returning-monday-to-red-line/
2015/04/09/454ff044-deee-11e4-a1b8-2ed88bc190d2_story.html
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A shorter URL for the above link:
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http://tinyurl.com/ofw7eku
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Metro officials said Thursday that computer-driven trains will return to
the Red Line during rush hours on Monday, nearly six years after the
system failed catastrophically, resulting in a crash that killed nine
people.
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The return to automatic train operation (ATO), under which train operators
open and close doors and make announcements but the computers do the
driving, comes after $18 million in engineering work. Initially, it will
resume only on eight-car trains during peak travel times.
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The practice was halted throughout the Metro system after the 2009 Red
Line crash, in which a computer-driven train near the Fort Totten station
plowed into a stopped train at an estimated 49 mph. The disaster, the
worst in the agencys history, resulted from a failure of the ATO
system.Since then, humans have been doing the driving with human
imprecision and passengers have grown weary of the lurching stops and
starts and the less-than-optimal spacing of trains, which causes delays.
In addition to offering smoother rides, Metro said, resuming ATO will save
money for the agency by using electricity more efficiently.
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I want to thank our riders for their forbearance through years of work,
often on weekends, to allow us the track access necessary to perform
essential signal upgrades, Deputy General Manager Rob Troup said. He
called the return of ATO a significant safety milestone for the nations
second-busiest subway.
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The announcement a rare upbeat moment for Metro in recent months came as
members of the board of directors met to discuss a range of ongoing
problems, including the agencys financial woes and its search for a new
general manager, which has been hampered by internal disputes over the
type of chief executive Metro needs.
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Troup said six-car trains will continue running in manual mode until a
computer software upgrade is completed late this year. After that, every
Red Line train will be computer-driven. Metro anticipates ATO being
operational on its five other subway lines by the end of the 2017, at a
cost of an additional $33 million.
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The complete article may be read at the URL above.
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