Description: Map of scheduled airline traffic around the world, circa June 2009. Contains 54317 routes, rendered at 25% transparency. Base map is NASA Blue Marble (PD) plus airports from file:World-airport-map-2008.png, route data is from Airline Route Mapper, rendering by OpenFlights (Open Database License). PHP source code for rendering available at the OpenFlights SVN.
Credit: Own work
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes