OSM TUBE NETWORK MAP - used for checking validity of data - steve8@mdx.ac.uk

Map data licensed CC-BY-SA OpenStreetMap (OpenStreetMap Foundation and contributors). Data file updated: 10 January 2011
Lines are coloured by the standard tube line colours, and have solid for overground and dashed for tunnel (as per the tagging in the database).
Only zoom levels 11-14 are available. Please correct any errors you find and add the information to the wiki page.