راه آهن در او اس ام Railways at OpenStreetMap

Michael Reichert at State of the Map 2016 http://2016.stateofthemap.org/2016/railways-at-openstreetmap/ Railway infrastructure is a topic most people either do not know much about or do not want to know much about. It is a rather exotic topic but it has its fans. Well-known by lots of railway fans, OpenRailwayMap is a map of the railway infrastructure (tracks, signals, speed limits, electrification) but unlike other special-interest maps, it is quite country-dependent because railway signalling differs

• #تحصیلات_و_یادگیری
• #railway
• #openstreetmap