closeups objects signs children climbing access advice availability communicating communication convenience direction information informative informing ladies-and-gents lettering loo personal public public-convenience public-toilet rest-rooms sanitation script sign toilet toilets wc word alert animal announcement appropriate behavior appropriate behaviour blue care careful caution concern control directions dog dogs lead leash restrain restrained restricted restriction rules warning white loos park post historical markings road road sign route 66 tarmac travel usa appropriate-behavior appropriate-behaviour cars clearway communicate danger dangerous denied keep-clear law legal no-parking no-standing no-temporary-parking not-allowed not-permitted permission-denied prohibited prohibition red refusal restrictions risk risks risky road-safety road-side safety unacceptable vehicles warning-sign cutout horse horses isolated roadsign beware black bright camera cctv constant continuous lookout notice observation observe security surveillance under-observation video watch watched yellow