accident accidental Australia automobiles cars clouds crash crashed-vehcile direction divided divided-roads intersection junction lamp-posts left-hand-driving main-road motor-cars motor-vehicles movement road road-rules round-about sign signs smash stationary street street-junction street-scene suburban suburbs traffic traffic-flow traffic-lanes vehicles verge wide wide-road air-traffic-control aircraft airport architectural architecture aviation command communications control control-tower directions directives flight fly flying height high safety tower tower-signals tower-views tracking visibilty appropriate-behavior appropriate-behaviour asphalt black blue bollards care careful caution changes changing communicating communication cones delineators directive footpath information informing message red road-junction road-sign road-surface roads roadside signage slow-down slower speed-reduction street-sign T-junction temporary thoroughfare traffic-cones uneven-surfaces warning white witches-hats wording words advice danger directing directional Dirt dirty old railway-sign risks stop warning-lights weathered denied not allowed not-permitted parking permission denied prohibited prohibition purple 2014 dangerous flipped insurance unsafe van board curve yellow boat harbour pilot boat sea ship sunset water 80 speed cone hazard orange light lights sky transport transportation