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380kmh's profile
Haunted Forrest 🌲
Haunted Forrest 🌲
Haunted Forrest  🌲
@380kmh

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Haunted Forrest  🌲

@380kmh

#TrainTwitter - trains & train stations - passionate opinions on public transit & civic design - transit bureacrat, but all views here are my own

Pioneer Valley
patreon.com/380kmh
Joined March 2011

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    1. Steel Age Patriarch‏ @RoteCaption Oct 9
      Replying to @apocalypsepony @380kmh

      Dwell time up to 2 minutes because of pedestrian flow/platform crowding forces headway. Yes a vicious circle. Headway’s were sub-2 minutes back when they had real signals instead of modern gee-whiz technology. Still not as high as achieved on the Garfield Park El in Chicago.

      1 reply 0 retweets 1 like
    2. Haunted Forrest  🌲‏ @380kmh Oct 9
      Replying to @RoteCaption @apocalypsepony

      cutting platform dwell time w/o rebuilding all the stations is just a matter of adding more doors per car

      1 reply 0 retweets 0 likes
    3. Steel Age Patriarch‏ @RoteCaption Oct 9
      Replying to @380kmh @apocalypsepony

      I think it is driven even more by access/egress on the platforms to the mezzanines. I recall the downtown stations being terrible in this regard.

      1 reply 0 retweets 1 like
    4. Haunted Forrest  🌲‏ @380kmh Oct 9
      Replying to @RoteCaption @apocalypsepony

      that's a factor in moving people around the station, for sure--and some are worse than others--but for getting people into and out of the train quickly, adding more doors to the car works (they did this in Japan in the 90s to great effect!)

      1 reply 0 retweets 0 likes
    5. Steel Age Patriarch‏ @RoteCaption Oct 9
      Replying to @380kmh @apocalypsepony

      I think the trouble at the doors stems from crowding in the platforms which is driven by headways and egress. Less people waiting with more trains, but outflow critical to emptying people getting off quickly out of the way to allow boarding.

      1 reply 0 retweets 0 likes
    6. Haunted Forrest  🌲‏ @380kmh Oct 9
      Replying to @RoteCaption @apocalypsepony

      it's related, yes, but you can still cut dwell times with doors alone--then focus on rebuilding/redesigning stations

      1 reply 0 retweets 0 likes
    7. Haunted Forrest  🌲‏ @380kmh Oct 9
      Replying to @380kmh @RoteCaption @apocalypsepony

      compare: 3 doors per car on existing Red Line fleet vs 4 per car (typical Yamanote Line fleet) or 6 per car (select carriages on various lines around Tokyo)pic.twitter.com/14cvmlkDqU

      1 reply 0 retweets 0 likes
    8. Steel Age Patriarch‏ @RoteCaption Oct 9
      Replying to @380kmh @apocalypsepony

      Huh, weird, I thought they’d moved in to 4 doors per car. Are they still running those old things?pic.twitter.com/YetdSWZYWY

      1 reply 0 retweets 1 like
    9. Haunted Forrest  🌲‏ @380kmh Oct 9
      Replying to @RoteCaption @apocalypsepony

      yes, they run both

      1 reply 0 retweets 0 likes
    10. Steel Age Patriarch‏ @RoteCaption Oct 9
      Replying to @380kmh @apocalypsepony

      Maybe replacing the 50 year old cars is a place to start.

      1 reply 0 retweets 1 like
      Haunted Forrest  🌲‏ @380kmh Oct 9
      Replying to @RoteCaption @apocalypsepony

      no argument there!

      10:26 AM - 9 Oct 2018
      0 replies 0 retweets 0 likes

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