The engineering rules say you can't add a signalized crosswalk unless 93 pedestrians are crossing there per hour. Seattle's trying something different.
The wheels of change grind slowly at the institutions that guide the American traffic engineering establishment, but they are moving forward. This week, U.S. DOT issued interim approval for bike boxes [PDF], a treatment that positions cyclists ahead of cars at intersections. Dozens of American cities currently use bike boxes — some for the better part of the past decade […]