iPhone London Tube

For regular commuters of the London Underground Tube network, this app is a must have; it's great.
The 'Map' view let's you pan around the network. The 'Lines' view, lists all the different tube lines, with a search facility. When you've selected a line, it shows it's entire length and the zones which it covers. The 'Stations' view lists all the stations alphabetically, again with a search facility. When a station is selected it shows which line(s) it is on. It also lets you see where on the tube network, the station is; or a route to it from another station. Finally 'Route' let's you, yes, plan a tube route.
London Tube is available from the Apple App Store.
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