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      John819 replied to the thread Southwest Chief derailment.
      The center of gravity is higher on bi-level cars. If the COG is displaced beyond the track, the car will tip over.
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      A Metro North engineer told me that on the first day of her training the instructor said "Now when you hit someone..." That got the...
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      John819 replied to the thread Southwest Chief derailment.
      More to the point, because of the higher level the "secondary collision" (passenger hitting side of car) will be greater.
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      John819 replied to the thread Southwest Chief derailment.
      In 1982 a van with 10 teenagers ran around the crossing gates in Mineola, New York. Nine were killed when hit by a train doing 65. The...
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      John819 replied to the thread Southwest Chief derailment.
      Nothing can be made idiot proof. When I learned to drive 50 years ago in eastern Colorado it was drummed into me that when you come to...
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      John819 replied to the thread Southwest Chief derailment.
      Remember that the cars involved will (irrespective of the damage sustained) be out of service until (a) released by the NTSB and (b)...
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      John819 replied to the thread LIRR Service to Grand Central.
      The "choke point" for going east-west is Sixth Avenue. WT#1, the Sixth Avenue subway, many utility lines, south of 34th street the PATH...
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      John819 replied to the thread SSLs used as axle count cars.
      I don't know about US railroads, but most European railroads have a minimum number of axles needed to (1) allow for train identification...
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      John819 replied to the thread Danbury battery electrics?.
      A quad-mode (3rd rail, overhead cat, battery, and diesel) engine would be quite a bit too heavy for the Park Avenue viaduct. The...
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      John819 replied to the thread Danbury battery electrics?.
      Almost certainly would need to have recharging facility in Danbury, as unlikely that could do a round trip from the main line at...
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