U.S. Transportation Secretary Elaine Chao urged the nation’s railroads and transit agencies to take all possible measures to meet deadlines to install a safety system called positive train control (PTC) to prevent crashes.
Letters dated Dec. 27, which were made public on Tuesday, said Chao wanted railroads to “greatly accelerate” efforts to meet congressional deadlines. A deadly Amtrak crash last month near Seattle that killed three occurred on a section of track that did not have the PTC system operating.
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