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garrett_wollman's profile
Garrett Wollman
Garrett Wollman
Garrett Wollman
@garrett_wollman

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Garrett Wollman

@garrett_wollman

I fix networks and other stuff with computers inside for @MIT_CSAIL. And I bake stuff. Bi cyclist. Marketing consultants will be blocked.

bimajority.org/~wollman/
Joined March 2012

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    Garrett Wollman‏ @garrett_wollman Aug 2

    Thinking a bit more about the @MBTA's "Focus 40" draft, which I formally commented on last night. The report notes that the entire @MBTA_CR fleet is at or near the end of its service life and needs to be replaced.

    8:37 AM - 2 Aug 2018
    • 10 Retweets
    • 20 Likes
    • Ethan Finlan Josh David Maltzan KT Sky Rose Connor Ring KyleSchroeckenthaler Harry Grillo Chris Dempsey
    1 reply 10 retweets 20 likes
      1. New conversation
      2. Garrett Wollman‏ @garrett_wollman Aug 2

        As @transitmatters notes, the wrong choices made now could lock in inefficient, high-operating-cost equipment and operating patterns for decades to come.

        1 reply 1 retweet 11 likes
        Show this thread
      3. Garrett Wollman‏ @garrett_wollman Aug 2

        This is why I've advocated that we need a formal policy that all passenger rail will use high platforms, and orienting capital priorities towards ensuring that this is completed ASAP.

        1 reply 2 retweets 12 likes
        Show this thread
      4. Garrett Wollman‏ @garrett_wollman Aug 2

        High-levels (with freight passing tracks where necessary) are the first step towards unlocking the transportation value inherent in the Commonwealth's rail infrastructure.

        4 replies 1 retweet 7 likes
        Show this thread
      5. Garrett Wollman‏ @garrett_wollman Aug 2

        Electrification can and should follow, but high platforms give a forward direction to rolling stock procurement that will be necessary over the next two decades (which is probably how long full electrification will take).

        2 replies 2 retweets 11 likes
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      6. Garrett Wollman‏ @garrett_wollman Aug 2

        I've advocated that the future @MBTA_CR should operate something like the Finnish (@HSL_HRT) class Sm5 electric commuter train, offering level entry, wide passenger-operated boarding doors, accessible bathrooms, 3+2 seating, and plenty of bike/stroller space.

        1 reply 2 retweets 4 likes
        Show this thread
      7. Garrett Wollman‏ @garrett_wollman Aug 2

        I hate to sound like a shill for Stadler here, but that train is just a broad-gauged version of the FLIRT. Stadler sells a diesel version; it's the same train with an added section containing a prime mover. Other manufacturers can presumably do the same.

        1 reply 0 retweets 2 likes
        Show this thread
      8. Garrett Wollman‏ @garrett_wollman Aug 2

        This would address the @MBTA's legitimate concerns about fleet complexity and standardization: if we commit to high platforms now, then we can commit to a system of modular DMUs and EMUs that will share design, controls, and passenger fittings.

        1 reply 1 retweet 5 likes
        Show this thread
      9. Garrett Wollman‏ @garrett_wollman Aug 2

        That would allow electrification to proceed without leaving non-electric lines stuck with ancient 50-year-old coaches and unreliable locomotives.

        1 reply 0 retweets 4 likes
        Show this thread
      10. Garrett Wollman‏ @garrett_wollman Aug 2

        Stadler has an assembly plant building diesel FLIRTs for another agency in the US, so they are already FRA compliant and eligible for "buy America" restricted federal funding.

        0 replies 0 retweets 5 likes
        Show this thread
      11. End of conversation

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