Traffic stops rarely happen for the reasons drivers expect. While most people watch their speedometer and glance at traffic ...

Q: It seems like some of our road signs, for example the signs telling slow drivers to pull over if they’re delaying traffic, just aren’t working. Can we add some extra signs that encourage drivers to ...

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 ...

Traffic signs have to communicate crucial information quickly and simply, to anyone who might be on the road. They use letters and numbers to lay out information in plain language but they also use ...