BART staff told directors Thursday that the entire system was felled by a single “network switch” failure.
It's a rare issue, one that hasn't occurred since 2006, according to Tamar Allen, assistant general manager of operations at BART.
But it may not be an issue that occurs again, due to prevention efforts now underway.
BART trains sat still last Saturday morning, the familiar screeches absent across the Bay Area. But for days after thousands of riders were stranded, one question lingered: How did this »