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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. Ryan Keefe‏ @weeseandbeyond Mar 2
      Replying to @vanshnook

      In theory that’s true, but the way the Green Line crawls often I think it’s fairly close to its real operational capacity.

      1 reply 0 retweets 0 likes
    2. vanshnookenraggen‏ @vanshnook Mar 2
      Replying to @weeseandbeyond

      The thing that blows my mind is there is no real signal system. It's all based on the train op seeing how close the next train is. In a sense that's closer to bus ops so maybe it wouldn't be so bad mixing them.

      1 reply 0 retweets 0 likes
    3. Ryan Keefe‏ @weeseandbeyond Mar 2
      Replying to @vanshnook

      You are right about how it operates now but I believe a more real signal system is years late but on the way for the Green Line if I’m not mistaken @sandypsj?

      1 reply 0 retweets 0 likes
    4. Sandy Johnston‏ @sandypsj Mar 2
      Replying to @weeseandbeyond @vanshnook

      I don't think so? There are new CBTC systems planned for the Red and Orange Lines, but the study to determine the future of the Green Line is just kicking off. The MPO approved this scope yesterday http://ctps.org/data/calendar/pdfs/2018/MPO_0301_Work_Program_Green_Line_Corridor_Study_Support.pdf …

      1 reply 0 retweets 1 like
    5. Sandy Johnston‏ @sandypsj Mar 2
      Replying to @sandypsj @weeseandbeyond @vanshnook

      Line-of-sight is obviously subject to human error, but I think in other equivalent installs of CBTC on subway-surface tunnels (SF and Philly) capacity has actually gone down, in part because no signal system is OK with double-berthing.

      3 replies 0 retweets 2 likes
    6. Ryan Keefe‏ @weeseandbeyond Mar 2
      Replying to @sandypsj @vanshnook

      Without double birthing you could at least run trains that take advantage of the platform length as long as the surface sections could handle it

      1 reply 0 retweets 0 likes
    7. Sandy Johnston‏ @sandypsj Mar 2
      Replying to @weeseandbeyond @vanshnook

      Yeah that's one of the things they've been kicking around forever and are now finally looking at. It's complicated because the entire GL system is just such a mess.

      2 replies 0 retweets 1 like
    8. vanshnookenraggen‏ @vanshnook Mar 2
      Replying to @sandypsj @weeseandbeyond

      The key is separating the B/C from the D/E. By extending Huntington Av to Brookline and building a Stuart St subway you in effect create two systems, one for high capacity light rail and the other streetcars.pic.twitter.com/F7V5FCa9en

      3 replies 0 retweets 2 likes
    9. Haunted Forrest  🌲‏ @380kmh Mar 2
      Replying to @vanshnook @sandypsj @weeseandbeyond

      yo hold up where is a link to the full pdf of this

      3 replies 0 retweets 2 likes
    10. vanshnookenraggen‏ @vanshnook Mar 2
      Replying to @380kmh @sandypsj @weeseandbeyond

      On my computer ;)

      1 reply 0 retweets 2 likes
      Haunted Forrest  🌲‏ @380kmh Mar 2
      Replying to @vanshnook @sandypsj @weeseandbeyond

      s m h

      1:16 PM - 2 Mar 2018
      1 reply 0 retweets 0 likes
        1. Haunted Forrest  🌲‏ @380kmh Mar 2
          Replying to @380kmh @vanshnook and

          still WIP?

          0 replies 0 retweets 1 like
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