• Posts
  • RSS
  • ◂◂RSS
  • Contact

  • Transit Service Quality Map

    November 17th, 2010
    mbta, transit  [html]
    After looking at the maps from yesterday showing how long it would take on transit to reach various places given a starting place, I thought it would be nice to make another map that shows the "transit service quality" in an area. Roughly, this would mean "how long does it take me to get places on transit starting from here?" A smart map would know that some places are more desirable as destinations (more people want to go to copley square than west medford square), but I'm treating all points on the map as equally valuable. So on these maps, each point represents the average time it would take to get to anywhere else on the map, calculated using tillberg's maps.

    On the greyscale maps the range is 45min (white) to 117min (black). On the colored map the ranges are:

    • 45-50: red
    • 50-55: orange
    • 55-60: yellow
    • 65-70: lime green
    • 70-80: green
    • 80-90: teal
    • 90-100: light blue
    • 100-117: medium blue

    If you want to do further work with these, the small greyscale one can be thought of as an array of averages of the tillberg maps, scaled to be between 45min and 117min. The other two maps necessarily have distortions from the resizing or the quantizing.

    Recent posts on blogs I like:

    Governance in Rich Liberal American Cities

    Matt Yglesias has a blog post called Make Blue America Great Again, about governance in rich liberal states like New York and California. He talks about various good government issues, and he pays a lot of attention specifically to TransitMatters and our …

    via Pedestrian Observations November 19, 2020

    Collections: Why Military History?

    This week, I want to talk about the discipline of military history: what it is, why it is important and how I see my own place within it. This is going to be a bit of an unusual collections post as it is less about the past itself and more about how we st…

    via A Collection of Unmitigated Pedantry November 13, 2020

    Misalignment and misuse: whose values are manifest?

    Crossposted from world spirit sock puppet. AI related disasters are often categorized as involving misaligned AI, or misuse, or accident. Where: misuse means the bad outcomes were wanted by the people involved, misalignment means the bad outcomes were wan…

    via Meteuphoric November 13, 2020

    more     (via openring)


  • Posts
  • RSS
  • ◂◂RSS
  • Contact