UPDATE 1-U.S. urges railroads to quickly install anti-crash safety system
WASHINGTON, Jan 2 (Reuters) – 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”…