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Montreal: Software collapse behind lunch-hour shutdown of métro system
from the Montreal Gazette:
MONTREAL - By 11 a.m. Wednesday, it was clear the software that's the nerve centre of Montreal's métro system was going to collapse within hours.
Société de transport de Montréal engineers thought they could avoid a meltdown, but, in the end, it happened, completely shutting all four métro lines during the lunch hour — another in a series of disruptions that have angered transit users.
The STM tried to deal with the crowds by boosting bus service on routes near the métro network and setting up a shuttle-bus service.
"Instability in the system" had been spotted in the morning, pointing to a repeat of the glitch that paralyzed the métro for an hour in July 2012, said Dominique Lemay, head of métro operations at the Société de transport de Montréal. ..................(more)
The complete piece is at: http://www.montrealgazette.com/Software+collapse+behind+lunch+hour+shutdown+m%c3%a9tro+system/8090301/story.html#ixzz2NWN9hSjA