P is short for Pee. Arrow points to pee place at right. All members of family welcome, both left and right handed, same or different sex. That little guy in the background indicates there is a supervisor.
Last Edit: May 26, 2016 4:46:37 GMT -5 by mickeyobe
It's pointing to the spot in the distance, where the two people will find the answer to life the universe and everything, and hopefully in the fullness of time come to understand what the sign actually meant! Or........ The right hand arrow may lead you to someone who can explain the sign? In the meantime you can park the car....... Stephen