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Alon Levy

Alon Levy

@alon-levy · 36 positions · 2 changes of mind · On ppll ↗

Mathematician turned transport researcher, a fellow at NYU's Marron Institute and a lead of the Transit Costs Project, which compares what it costs to build rail in different countries. Writes Pedestrian Observations.

Alon Levy did not write this page.

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  1. Believed beforeby their own account

    The theory that common law leads to higher costs, based on high costs across the US, Singapore, the UK, Australia, Canada, India, and Bangladesh. I no longer believe this theory holds up

    Nowsaid

    No longer believes this.

    in the developed world, important edge cases disagree with the theory, including Quebec (expensive) and Israel (about average)

    ↗Predictionspedestrianobservations.com

    infrastructure

  2. 2 years earlier
  3. Believed beforeby their own account

    But recently, I started thinking more carefully about operating costs, and wrote this post about peak-to-base ratios. I no longer think peak-to-base frequency ratios higher than 1 are supportable.

    Nowsaid

    No longer believes this.

    The marginal labor cost of midday service when there’s a prominent peak is very low

    ↗Boston Regional Railpedestrianobservations.com