Tom McNichol writes in Wired:
Hans Monderman is a traffic engineer who hates traffic signs. Oh, he can put up with the well-placed speed limit placard or a dangerous curve warning on a major highway, but Monderman considers most signs to be not only annoying but downright dangerous. To him, they are an admission of failure, a sign – literally – that a road designer somewhere hasn’t done his job. “The trouble with traffic engineers is that when there’s a problem with a road, they always try to add something,” Monderman says. “To my mind, it’s much better to remove things.”
Monderman is one of the leaders of a new breed of traffic engineer – equal parts urban designer, social scientist, civil engineer, and psychologist. The approach is radically counterintuitive: Build roads that seem dangerous, and they’ll be safer.
More here.