When you’re traveling, you’ll see all kinds of road signs telling you where you are and what to do, like stop or slow down. They may not look too big, but you’d be surprised by how giant they really are! Read on to find out the truth behind the size of these signs – and map out the road-sign math.
Of all the highways you might have driven on, the most exciting ones in America might be the interstate highways. And these highways are numbered a special way so we can always know where we are. Read on to hit the road with some highway math!