7512 - Out
7513 - In
7514 - No entry
7515 - No exit
7516 - This entrance must be kept clear
7517 - No parking front of these gates
7518 - No parking
7519 - No unauthorised vehicles beyond point
7520 - Concealed entrance
7521 - Caution - speed ramps
7570 - No parking beyond this point
7571 - No parking in this area
7522 - Safety notice - area must be kept clear
7523 - This exit must be kept clear
