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RSS HSR Compatibility

  • The End of CBOSS
    The rosy view, from 2011Caltrain's troubled positive train control solution, known as CBOSS, has now been completely abandoned, to be replaced by the de-facto standard freight PTC technology known as I-ETMS. That's mostly good news, since Caltrain will no longer be stranded with a globally unique PTC system. I-ETMS is being deployed by numerous other […]
  • CalMod 2.0: Three Things to Watch
    UPDATE, from Caltrain TIRCP funding applicationCalMod 2.0 is now formally known as EEP or Electrification Expansion Program100% state-funded through cap and trade program (TIRCP)Consists almost entirely of option buys of 96 EMU cars for $600M17 x 8-car EMU fleet planned for start of electric service (if $$ awarded)No 4-car EMUs (this is super important for future […]
  • CBOSS Dumpster Fire Update
    The CBOSS development lifecycle,as anticipated in 2009 on this blog.Today we are at "point of no return."The deadly crash of an Amtrak train near Tacoma, Washington, which would likely have been prevented if a PTC (Positive Train Control) system had been in place, has renewed the discussion of the status of PTC systems in the […]
  • Thoughts on Palo Alto
    There is a vigorous discussion of grade separations now underway in Palo Alto. It misses several important points:1) Grade Separation is not one project. Trying to come up with a single, grand unifying grade separation scheme for the entire rail corridor through Palo Alto is to over-constrain the problem and to limit the range of feasible […]
  • Freeway Lanes of Caltrain
    If everyone drove instead of taking Caltrain, how many more lanes would peninsula freeways need to absorb the additional traffic?The way to answer this question is to count how many train passengers ride past any given location, in each direction, within the span of one hour. Caltrain publishes all the information you need to do […]

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