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sjsamson

HN member
Joined
Tue, Dec 04, 2018, 9:30 PM UTC
HN karma
23
Public activity
26 items

About sjsamson

Distributed Systems and Infrastructure Engineering

https://linkedin.com/in/suri-samson

Recent public activity

  1. comment
    Comment #32536245

    I'm well aware of (and have personally suffered) all of that: BART's Oakland Wye delaying trains, suicide-by-train, the value of grade separations, and of Clem's Caltrain-HSR blog …

  2. comment
    Comment #32531047

    Fully on agree on trying to get costs down to Spanish-levels and other developed world costs, and building everywhere while saving money. But the reasons for the dysfunction are pr…

  3. comment
    Comment #32530991

    Caltrain electrification project is independent/notdependent on CAHSR and also not dependent on grade separation projects, which seem to be tackled individually/ad-hoc in partnersh…

  4. comment
    Comment #32530851

    I wish we had rail, including HSR, everywhere but the real world comes with financial constraints. While a Central Coast trunk alignment would be nice, any reasonable analysis indi…

  5. comment
    Comment #27148111

    I agree with your post thread. A lot of people uninitiated in railways think of HSR as an airplanes on rails. HSR =/= Airline. Trains have a number of advantages, one of which is a…

  6. comment
    Comment #27146846

    >One of the lines is from downtown to an airport You don’t provide enough specifics about your local situation, but it’s been long noted that airport rail lines underperform. The a…

  7. comment
    Comment #27146672

    CAHSR’s mainline is intended to be SF-LA via the Central Valley, and connect the major cities along the way. Some of those valley have around a 1m+ people or will grow to that over…

  8. comment
    Comment #26722974

    I've noticed this too in China and the B&R rail projects, and while it would be nice to have double stack containers, consider Chinese engineers are making a reasonable set of trad…

  9. comment
    Comment #26722168

    There are overhead electric rail lines supporting double stack freight in the NEC USA, China, India, and possibly elsewhere. There are YouTube videos and images on web. AAR Plate H…

  10. comment
    Comment #26721818

    Indeed, Chicago and the Mississippi River is the dividing line in the North American rail network. UP and BNSF dominate western US, CSX and NS the eastern US, CN and CP dominate Ca…

  11. comment
    Comment #26721620

    >> Ships This is true by approximate order of cost, but it does not show how large the differences are. Trucking can be up to 10X, an order of magnitude, more expensive than train …

  12. comment
    Comment #26607296

    > Few places need the theoretical density that buses provide and even less need the level that rail provides. Almost every major urban city and metropolitan area needs buses and ra…

  13. comment
    Comment #26606529

    Many U.S. credit unions are members of CO-OP Financial Services [0], a cooperative of cooperatives, which provides shared ATM and branch services. Effectively making it one of the …

  14. comment
    Comment #24660916

    Location: San Francisco, CA Remote: Preferred Willing to relocate: No Resume/CV: https://linkedin.com/in/suri-samson Email: sjsamson86 at gmail d0t com Technologies: Computing Infr…

  15. comment
    Comment #24660636

    >I don't really think that was in the cards. The car was already prevalent before the interstate system was built, and the military was much more about a road solution than rail. T…

  16. comment
    Comment #24651127

    Great points about public vs private owned networks, private competition at “higher layers in the stack” of a publicly owned network, and building a durable political coalition aro…

  17. comment
    Comment #24649535

    >By cost per ton mile, in which US freight rail is cheaper than almost any other country in the world, including China. That likely won’t last assuming it is still true. China’s ra…

  18. comment
    Comment #24649096

    >The US picked a different optimization. The combination of transportation modes from Rail, Truck, and Barge are amazingly important to the health of the country. Passenger rail ha…

  19. comment
    Comment #22323885

    Location: San Francisco, CA, USA Remote: Preferred, but on-site is fine Willing to relocate: No Resume/CV: https://linkedin.com/in/suri-samson Email: sjsamson86 at gmail d0t com Te…

  20. comment
    Comment #21985124

    Location: San Francisco, CA, USA Remote: Preferred, but on-site is fine Willing to relocate: No Resume/CV: https://linkedin.com/in/suri-samson Email: sjsamson86 at gmail d0t com Te…

  21. comment
    Comment #21696763

    SEEKING WORK Location: San Francisco, CA, USA Remote: Preferred, but on-site is fine Willing to relocate: No Resume/CV: https://linkedin.com/in/suri-samson Email: sjsamson86 at gma…

  22. comment
    Comment #21696730

    Location: San Francisco, CA, USA Remote: Preferred, but on-site is fine Willing to relocate: No Resume/CV: https://linkedin.com/in/suri-samson Email: sjsamson86 at gmail d0t com Te…

  23. comment
    Comment #20336675

    SEEKING WORK Location: San Francisco, CA, USA Remote: Preferred, but on-site is fine Willing to relocate: No Resume/CV: https://linkedin.com/in/suri-samson Email: sjsamson86 at gma…

  24. comment
    Comment #20336622

    Location: San Francisco, CA, USA Remote: Preferred, but on-site is fine Willing to relocate: No Resume/CV: https://linkedin.com/in/suri-samson Email: sjsamson86 at gmail d0t com Te…

  25. comment
    Comment #18605187

    SEEKING WORK Location: San Francisco, CA, USA Remote: Preferred Willing to relocate: No Resume/CV: https://linkedin.com/in/suri-samson Email: sjsamson86{a t}gmail{d o t}com Technol…