Picture it: You’re headed out on a road trip—or just your daily commute to work or school—and all of a sudden you see something peculiar on the road ahead. No, it’s not a traffic stop or a car crash, ...

There are over four million miles of road in the United States, and driving on them on any given day is, by and large, like a game of cat and mouse. Evading speed racers and commuting kamikazes trying ...