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Public transit and Get Satisfaction on Walk Score

Today we launched public transit data for 40 cities on Walk Score. Check the blog post here:
http://blog.walkscore.com/?p=344

We also launched this Get Satisfaction site and we look forward to hearing your feedback!
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  • This reply was removed on 2010-08-16.
    see the change log
    • Hey Paul -- great comment! We definitely considered that and think it's a good methodology for measuring transit accessibility. We think our current method yields similar results -- and was easier to scale technically.

      Calculating the transit sheds is very CPU intensive (literally pegs a processor for a second to calculate one) so generating/caching all of them was expensive technically.

      It would be interesting to compare the two methods in more detail to see where they diverge -- a good future project for us.

      Thanks for the insightful comment!
  • Ha - I deleted my comment when I realized that this thread wasn't about the transit scores launched today. Oops!

    But since you responded already I'll repost my question:

    "Great work on the transit scores! You didn't do it how I thought you would though. When I first saw your transit heat maps, you had a feature where you could type in an address and get the transit shed" - a map of all places accessible from that address, by transit, within X minutes. (by the way, I loved that feature) I figured you would use that to create a weighted average of the walkscores of all the places that could be reached by transit from a particular location. For instance, the average walkscore of places within the 30 minute transit shed could be weighted 60%, the average walkscore of places within the next ring (say 30-45 minutes) could be weighted 30%, and the next ring (45 minutes to 1 hour) could be weighted 10%. Did you consider that? Why was it ruled out?"

    Thanks for the quick answer! That calculation would require some serious computing power.
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  • Sort of related to this post -

    The site currently indicates that LRT is not nearby. I disagree. Crowfoot Station is just down the hill and, being the current 'end of the line' means, I think, that more folks will use itmas they'll actually be able to get on board. Not sure how but I think that should be reflected in a bit more positive score
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