advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black care careful cars caution communicating communication information informing lookout potential-vehicle-damage risk risks road road-surface safety sign signs slow-down speed speed-bump speed-hump vehicles warning warning-sign watch watch-out yellow concern crossing danger dangerous directions listen Look looking observant rails railway railway-crossing red trains white access accessibility allocated allocation approved arrow blue conditional conditions directing direction directional disability disabled fee-free free handicapped indication indicator no-fee parking symbol symbols wheelchair word beach beach-side bitumen coast costal cycling cyclists families movement moving path pathway pedestrians people protective sand sandy sealed share sharing surface surfaces surfacing texture textured textures track travel traveling travelling walk walkers walking behave behavior behaviour communicate large-vehicles limitations limited restricted restriction restrictions reversal reversing risky trucks avoid below-ground digging digging-dangers flammable gas gaseous natural-gas no-ignition pipeline pipes potential stay-clear vapour vapours warned carpark pedestrian pedestrian-speed reflective shared-area slow traffic african animal animals be careful dog mammal observe painted dog watch out wild wild dog wildlife zoo