get speed limits from OpenStreetMap

Question

I\'m creating a mobile app that determines if someone if a good driver. The phone sits on the dashboard and collects GPS information while the user is driving. I need to determi

Answer 1

There is a maxspeed tag that is used to for roads and waterways in the OpenStreetMap data (link). The OSM data itself is available in a number of formats. The easiest to get started with is the human readable XML format which can be exported directly from OpenStreetMap.org. below is an example entry for The Strand in London showing the data format and how maxspeed is expressed.