Have a look at this way to get from point A to point B as proposed by google maps: http://goo.gl/JuV4K Why does it use S5 and S1 and then some walking instead of using U1? Won't using U1 be faster ...
The "Tube Challenge" is the accepted name for the Guinness World Record attempt to visit all the stations on the London Underground network in the fastest time possible. The rules are here. The ...