Several New York City subway lines shut down Sunday night after emergency generators failed to kick in and a malfunctioning alert system fooled supervisors into thinking the system was working as designed, a preliminary investigation has found.
The five-hour service disruption stopped 83 trains, including five in tunnels between stations, causing hundreds of riders to evacuate. The Metropolitan Transportation Authority, the state agency that runs the city’s buses and subways, said the incident began at 8:25 p.m. when the Con Edison power company “experienced a power anomaly,” interrupting operations of subway signals and communications. A back-up battery system ran out of power in about 45 minutes, the MTA
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