Some interesting stuff that Adri has dug up

http://zehnkatzen.blogspot.com/2009/04/evolution-of-trimet-max-map-1-portland.html
http://zehnkatzen.blogspot.com/2009/04/evolution-of-trimet-max-map-2-mae-west.html
http://zehnkatzen.blogspot.com/2009/04/evolution-of-trimet-max-map-3-along-red.html