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On Saturday, 5/28/22, Amtrak finally upgraded the stretch of track on the Northeast Corridor through Princeton Junction for 150 mph operations. Therefore, Tuesday, 5/31/22, marks the first weekday of 150 mph Acelas in New Jersey. Enjoy =)
Speed calculations:
OG Acela trainset = 663 feet
150 mph = 220 feet per second
663 / 220 = ~3 seconds
Therefore, if the Acela trainset passes a fixed point in the frame in 3 seconds, it is traveling at around 150 mph. At 135 mph, it takes the same trainset 3.3 seconds to pass a fixed point.
Full Princeton Junction video: • Amtrak High Speed 125 ...