Would you tell me, please, which way I ought to go from here? - That depends a good deal on where you want to get to. - I don't much care where - Then it doesn't matter which way you go. Lewis Carroll, Alice in Wonderland.
One thing we read everyday and dont even know about it. Without these signs we more than likely couldnt get around town and know where we are going. I have been lost before driving in unfamiliar places and these road signs helped me out a lot.