advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware care careful carpark caution communicating communication concern danger dangerous directions informing Look looking lookout observant pedestrian pedestrian-speed red reflective risk risks safety shared-area sign signs slow slow-down speed traffic warning warning-sign watch watch-out white area attention banned boundaries boundary cigarettes direction directive distinctive entrance environment health health-risk limits location no-smoking not-allowed not-permitted penalties penalty permission-denied pollution prohibited prohibition shopping-center shopping-centre symbol thick thin unhealthy wording words black circles denied disapproval disapproved inform information message messages pictograms prohibitions protect protection public restricted restrictions rules signage symbols animals control controlled dog dogs lead leash nature nature-reserve outdoor-activity outdoors park pet pets requirement restrain restrained restriction text under-control behave behavior behaviour communicate large-vehicles limitations limited reversal reversing risky trucks vehicles alongside barrier below concrete dangers deep deep-water depth disused edge fence fencing foliage grass greenery handrails light path plants railing rails ripples rippling river riverside shade shadows steps sunlight sunshine track trail tree water wet advising be-prepared-to-stop cars hazard limited-access motorcars no-overtaking no-passing readiness ready road-sign roadwork workers workmen alcohol conditions consumption listen no-alcohol no-swimming access-denied access-limited entry-denied entry-prohibited keep-off no-access no-entry prosecution trespass trespassing unauthorised unauthorized children observance road school schools slower time times zone Bin colors colours considerate consideration Dirt dirty garbage rubbish trams waste waste-bin waste-disposal yellow