Tom Vanderbilt on walking in America, in four parts: The Crisis in American Walking, Sidewalk Science, What's Your Walk Score?, and Learning to Walk. (Previously on jaywalking and on cities for people.)
Slate takes on signs and wayfinding. Part 1: The secret language of signs. Part II: Lost in Penn Station. Part III: Legible London. Part IV: Do you draw good maps? Part V: The war over exit signs. Part VI: Will GPS kill the sign?