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I remember it uses Google as underlying map and has also a function to rank preferences of the path using forms in which the user can rate routes characteristics, I also remember that is for Los Angeles (but I am not sure about this). I came across this web map a couple of months ago but I did not save it as favourite. Now I have been searching continually for two days in many ways but I can't find it anymore.

Does someone know what I am talking about and please provide me the page URL?

user3523583
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    I don't know about a webapp, but this research paper suggests bicycle routing while avoiding accident hot spots: "Alex D. Singleton and Daniel J. Lewis, “Including Accident Information in Automatic Bicycle Route Planning for Urban Areas,” Urban Studies Research, vol. 2011, Article ID 362817, 10 pages, 2011. doi:10.1155/2011/362817"

    http://www.hindawi.com/journals/usr/2011/362817/

     – til_b Jun 20 '14 at 13:32

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Based on a quick Google search, I believe what you're looking for is http://www.ridethecity.com

It defaults to New York, but you can select from a number of major cities in the United States, Canada, France, Spain, Australia, and a couple of others. Very interesting application! And apparently (according to this question) it's driven by PgRouting.

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Chris W
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  • Actually it looks like it defaults to what it determines to be your location based on IP address. – blah238 Jun 20 '14 at 19:09
  • @blah238 Strange, doesn't do that for me. The city I'm in is on the list, but it goes to New York. Maybe it's a cookies/privacy/track my location/browswer thing. – Chris W Jun 20 '14 at 19:17
  • More likely a proxy/VPN thing than a browser thing (see http://en.wikipedia.org/wiki/Geotargeting). – blah238 Jun 20 '14 at 19:27
  • @blah238 Not using a proxy or VPN - just regular open commercial cable provider. Google Maps loads to my city, MSN.com's local section is... well, close. Many pages can get my zip or city, just not that one. shrug – Chris W Jun 20 '14 at 19:33
  • Thanks again, I knew the existence of that service (ride the city) but it is not what I am looking for. – user3523583 Jun 22 '14 at 12:12
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I have found it, it is worth having a look because I think there are not many safe route planners based on past accidents events http://opt.berkeley.edu

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