chinese clever knowledge letter mandatory nonsence road roadsign rule rules sign signs stop stopped strange street ting understand understandable warning bicycle blue car command cycle entrance entry exit highway instruction no entry pole post red sky white directions forbidden forest rules home path pictogram waste football playing soccer sports bypass cars CBD city commute direction freeway main-road motor-cars motor-vehicles road-rules road-vehicles speed traffic traffic-flow traffic-lanes transport travel vehicles wide wide-road dead end street end hidden its all over no way out over road rules sackgasse street yield sign the end traffic sign way accident concrete control crash damage danger dessert height loss obstacle storm streets tattered town Australia lamp-posts left-hand driving mirror mirror-image movement reflection roadside street scene suburban suburbs wide road four lanes houses junction main road no turning Stop light street junction traffic flow traffic lanes traffic lights automobiles clouds divided divided-roads intersection left-hand-driving round-about stationary street-junction street-scene verges