Many years ago a friend told me how intimidated she was while trying to cross a street where several roads intersected ldquo I rsquo d never seen anything like this the rules I rsquo d been taught for crossing the street seemed ineffective I was so frightened that I rsquo d stand on the corner wait for the bus and ask the bus driver if he rsquo d please allow me to ride to the other side of the street It would take a long time before I successfully learned to navigate this intersection both as a pedestrian and later [... more]