Metro Train Derailments Could Have Been ‘Catastrophic,’ Official Says


By BY NATIONAL TRANSPORTATION SAFETY BOARD
U.S.
https://ift.tt/3DWbpse
The National Transportation Safety Board said that the Metro system in Washington removed more than half of its subway cars from service as federal investigators scrutinized a surge in train-alignment “failures.”
New York Times
Subways, Transit Systems, Transportation
October 18, 2021 at 11:40PM

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