acceptable access-denied access-limited advice advising alert allocated allocation approved authorised authorized automobiles behave black carpark cars communicate communication denied directions directive entry-denied entry-prohibited information informing limited limited-parking motor-cars no-access no-entry not-allowed not-permitted parking permission-denied prohibited prohibition red restricted restriction restrictions safety sign special-parking unauthorised unauthorized vehicles warning white announcement appropriate-behavior appropriate-behaviour avoid be-careful beware care caution communicating concern danger dangerous deep health polluted pollution protect protection risk risks risky rules signs toxic toxicity unhealthy warning-sign water water-pollution water-toxicity weathered 3-D area attention banned cigarettes direction distinctive environment eye-catching glassy health-risk lettering location no-smoking plastic raised semi-transparent style surface surfaced surfaces surfacing symbol tactile texture textured textures thick thin wording words background behavior behaviour blue fencing keep-off limited-access mesh no-go secure security signage trespass trespassing law legal no-standing no-temporary-parking refusal road road-safety road-side unacceptable fine fines penalty prosecution contaminated contamination guests insiders message no-outsiders outsiders private private-property vistors ban bylaws motorbikes-prohibited no-wheels pedestrian-care pedestrian-safety prohibitions watch watch-out