Confusion

So yesterday, I was driving around after some afternoon meetings, and came across this pair of signs. My first reaction was: that is weird. How can I be going north and south at the same time?

I pondered this question for a few more minutes, and then realized I had missed a turn and came back the way I came. When I came to this sign the second time, I turned around and parked to take this picture because I thought it would be a novelty. That's when I read it...

The moral of this story? Things may look the same -- doesn't mean that they are.