A pink traffic sign may seem like a whimsical choice, but it’s actually trying to tell you something important ...

Q: There are some intersections, usually in neighborhoods, that don’t have any traffic control: no stop signs or yield signs. How are you supposed to handle those? Who yields to whom? And how do the ...

Green highway signs, also called guide signs, are everywhere, and we pass them by without much thought. But their design has a big role in getting us where we need to go safely. Why are highway signs ...