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Amtrak, Big Dig v. NEC, and David Gunn
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[quote]QUOTE: <i>Originally posted by oltmannd</i> <br />What "technology" of Amfleet is obsolete? I would suggest that there really is nothing new since the 70s on the car side.[/quote] <br /> <br />Suspension, electomagnetic brakes, air conditioning, shock absorption, lightweight materials, controlled braking - a few things did improve. <br /> <br />besides - amfleet are getting older - soon they will show it with increasing maintenence. <br /> <br />[quote]QUOTE: What do you base the 15 minute interval demand on? I remember reading a case, not too long ago in trains, that the frequency should be no more than hourly and the trains longer with several classes of accomodations - not more frequent.[/quote] <br /> <br />Ehem - having a station in the middle of cities with several million in population and running trains at hour tact is sorta weird. Besides - high frequency introduces "the train is always there" - thus increases ridership. Look at Europe - at the same distance you get hourly tact between cities helluva smaller then NY or Boston. Actually - at peak times some TGV lines are run with 3 minute headways.
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