Go North on Knolls, Turn at Knolls, Then Take a Left on your First Knolls

I really felt it was necessary to post this picture. Can anyone tell me who DeKalb's city planner is? He really needs to review City Planning 101. We found this street sign in DeKalb while trying to find a friend's house on Knolls Street... needless to say it was not easy to find.