Simplicity, Complexity, and Subway Maps

Joe B. has this to say about the differences between the diagrammatic, iconic London Underground map and the hash that has been the maps of the New York subway system: “The simplicity of the London diagram comes in part from the system itself being simpler. The general trend in London is for each Line to operate separately, with easy transfers across the platform to other Lines; the general trend in New York is toward interline routings involving merges and splits, with relatively inconvenient transfers.” (Of course, he goes on to say, the London system is more complicated than it looks on the map.) Via Mark.