Private companies and revenue-hungry government agencies have always had a stranglehold on the world’s best maps, until the arrival of Open Street Map, a volunteer-driven effort akin to Wikipedia for mapping and cartography. OSM offers endless customisation possibilities, is entirely open source and in many parts of the world is rivaling the best online and paper maps. OSM’er Andy Allan explains how he’s been adding information relevant to cyclists and explains how anyone can contribute to the project. George Coulouris and Jean Dollimore give a guided tour of Camden Cyclists’ collaborative online cycle route planning tool.

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