London-based designer and illustrator Tim Fishlock posterized Harry Beck's famous alphabet made of sections and lines from the London Underground map. From the book "Alphabets: A Miscellany of Letters" by David Sacks
London Underground hoop art by mirrymirry - detail
“Is London’s skyline going down the tube?” Illustration by Nick Brown The always sharp Rowan Moore wrote a great piece about London’s incoherently exploding skyline for The Guardian, saying that most.
Ten years of artists' tube map covers – in pictures: February 2006 - David Shrigley