{"id":47477,"key":"Graphserver","title":"Graphserver","latest":{"id":1256791,"timestamp":"2026-07-23T11:40:56Z"},"content_model":"wikitext","license":{"url":"https://www.appropedia.org/Appropedia:Copyrights","title":"CC-BY-SA-4.0"},"source":"(Part of [[Open Source Transport Informatics tools]] listing, for the [[OSSTIP]] project, especially OSSTIP/WP2- Transit Informatics tools review.)\n\n[[File:Transittimewalkscore.png|thumb|Fig 1: Example of Graphserver in use as part of a beta test of transit accessibility in the http://www.walkscore.com platform.]]\n\nStarted in 2004 by MIT Researcher Bradley Martin-Anderson, GraphServer is an Open Source multi-modal public transport trip router, written in Python.\n\nOne of the uses of GraphServer was providing the back-end computations as part of the Transit Time Maps visual application on the Walk Score website.\n\nMuch of the core capability of Graphserver was also ported into the [[OpenTripPlanner]] tool.\n\n== External links ==\n\n* http://graphserver.github.com/graphserver - project homepage\n* https://groups.google.com/forum/#!forum/graphserver - Google group, including some example uses\n* Regarding Walk Score usage:\n** [http://www.humantransit.org/2012/11/the-need-for-maps-of-your-freedom.html Jarrett Walker discusses the use of Graphserver in Walkscore.com's Transit Maps]\n** http://blog.walkscore.com/2009/03/transit-and-real-estate/\n** [http://web.archive.org/web/20130503224002/http://archive.is:80/5GAW Walkscore.com \"technology preview\" using Graphserver in their archive]\n\n{{Page data\n| license = CC-BY-SA-3.0\n}}\n\n[[Category:Public transport]]\n[[Category:Transport]]\n[[Category:Community informatics]]\n[[Category:Public transport informatics]]\n[[Category:Information technology]]\n[[Category:GIS]]\n[[Category:General Transit Feed Specification]]\n[[Category:OpenStreetMap]]"}