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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. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      Marunouchi Line: 64,074/mi Ginza Line: 113,045/mi Tokyo Metro overall: 56,436/mi NYC Subway overall: 24,152/mi Let's look closer at NYC...pic.twitter.com/K2tGioc8HI

      1 reply 2 retweets 1 like
    2. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      Luckily, ridership is given by Trunk Line: 8th Ave (ACE): 71,995/mi Broadway/7th Ave (123): 65,663/mi

      1 reply 1 retweet 1 like
    3. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      Lexington Ave (456<6>) has much higher passenger density than any Tokyo Metro line, at 153,493/mile. No wonder they're building 2nd Ave!

      1 reply 1 retweet 7 likes
    4. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      NYC's network isn't as clear-cut as Tokyo Metro's, so it's hard to look at every line--but it's obvious non-Manhattan lines kill the averagepic.twitter.com/mQSthrfSyD

      2 replies 1 retweet 1 like
    5. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      What about Boston? Red Line: 12,511/mi Orange Line: 18,822/mi Blue Line: 11,253/mipic.twitter.com/SzexqfJqUZ

      2 replies 1 retweet 3 likes
    6. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      The Green Line, with its many branches, ends up the lowest of the lot at just 10,087/milepic.twitter.com/XwRlmby6PH

      1 reply 1 retweet 2 likes
    7. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      Back in Tokyo, the (govt-run) Toei Lines: Asakusa Line: 58,737/mi Mita Line: 36,398/mi Shinkjuku Line: 48,075/mi Oedo Line: 34,742/mipic.twitter.com/yujYeFTXe7

      1 reply 1 retweet 0 likes
    8. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      Philly: Broad Street Line: 9,865/mi Market Frankford Line: 14,315/mi Norristown Line: 750/mi PATCO Line: 2,676/mipic.twitter.com/WOpfvW9VzN

      1 reply 1 retweet 1 like
    9. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      How about other US networks? PATH: 19,566/mi WMATA: 6,400 BART: 3,976/mi Chicago L: 7,468/mipic.twitter.com/er0imSlDJj

      1 reply 3 retweets 6 likes
    10. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
      Replying to @380kmh

      Now, if you're me, you're looking at these densities and wondering where the break-even point is. Sure, it depends on a lot of variables...

      1 reply 1 retweet 0 likes
      Haunted Forrest  🌲‏ @380kmh 28 Jul 2017

      ...but by looking at many systems--profitable and subsidized--you can make some educated guesses. Fortunately I have a case study for this!

      8:31 AM - 28 Jul 2017
      • 1 Retweet
      • 1 Like
      • steve forrest Haunted Forrest 🌲
      1 reply 1 retweet 1 like
        1. New conversation
        2. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
          Replying to @380kmh

          Let me introduce you to Osaka's newest subway line (and ongoing political scandal), the Imazatosuji Linepic.twitter.com/el9SUd4CbC

          1 reply 1 retweet 2 likes
        3. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
          Replying to @380kmh

          Osaka's subway is operated by the Municipal Government--nonetheless, it's very successful overall (28,785/mi) and up for privatization.pic.twitter.com/Dwt7XuYFtu

          1 reply 2 retweets 0 likes
        4. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
          Replying to @380kmh

          With one problem: the Imazatosuji Line, which cost much more to build than expected and has fallen far short of expected ridership.pic.twitter.com/V8ofGC1Rgs

          1 reply 1 retweet 0 likes
        5. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
          Replying to @380kmh

          8 years after its opening in 2006, daily ridership had finally reached 64,385...but it was supposed to hit 120,000 within the first year!pic.twitter.com/QqTHEfeQAW

          1 reply 1 retweet 0 likes
        6. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
          Replying to @380kmh

          So, the Imazatosuji Line's rider density is currently 8,701 per mile--too low! If it had hit its target, it would be 16,216 per mile...

          1 reply 1 retweet 0 likes
        7. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
          Replying to @380kmh

          ...so, with that in mind, I think we can make a good guess where the break-even point is for a generic subway line: roughly 15,000 per mile

          1 reply 1 retweet 1 like
        8. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
          Replying to @380kmh

          A subway line with higher passenger density than this should (all else being equal) be able to operate at a profit. If it can't...?

          1 reply 1 retweet 0 likes
        9. Haunted Forrest  🌲‏ @380kmh 28 Jul 2017
          Replying to @380kmh

          ...time to start auditing!

          0 replies 1 retweet 2 likes
        10. End of conversation

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