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MTA studying technology to identify dangerous subway track debris. How a smartphone might help.
The investigation into what sparked a fire on a subway train in Washington ... line searching for answers, after a train struck an unknown object on the track and third rail at the 191st Street ...
The New York City Subway Is Using Google Pixels to Listen for Track Defects
New York City's transit authority is one of a few US systems experimenting with using sensors and AI to improve track inspections.