The original is cooler.
http://cablemap.info/
Here's a pre-schematic London tube map:
http://upload.wikimedia.org/wikipedia/commons/9/90/Tube_map_...
That seems...fine? It's easily readable with all the stops clearly labeled, and you can see exactly where in London they are.
It could of course be cleaned up in a modern version, but even as-is it seems quite useful.
http://commutingexpert.com/underground-overground-wandering-...
http://sanctuarysimon.org/monterey/sections/submarineCanyons...