access-limited advice advising alert allocated allocation arrow authorised authorized automobiles behave black blue communicate communication denied directive emergency emergency-vehicles entry-denied entry-prohibited information informing limited limited-access no-access no-entry not-allowed not-permitted permission-denied prohibited prohibition red restricted restriction restrictions safety sign vehicles warning white active activities adults adventure children children’s-playground climbing color colored colorful coloring colors colour coloured colourful colouring colours community equipment families fun kids leisure leisure-area multiple-activities opportunities parental-supervision parents play play-equipment playcenter playcentre playing safe-play shelter sheltered slides supervise supervision toys under-cover variety youngsters