Transport for London has released a new walking tube map showing how long it takes to walk between stations - covering parts of Croydon for the first time.The new map has been released as part of an in initiative to encourage more people to walk in London.Previous walking maps only showed central London, but now the map has been extended to London transport zone 3, including national rail services, which means it includes Norbury and Crystal Palace stations.The map shows that it takes about 17...
