cross crossing pedestrian pedestrians road roadsign sign signs street walk warning zebra button information lights man press push traffic junction communication comunicate cross walk english metal pedestrian crossing shape signage street scene street sign streets verbage walking yellow roads roadsigns advisory avenue calle cityscape crossroad crossroads highway intersection lane object pedestrian sign roadway black City Life City Street close-up England instructions London patience Pedestrian Crossing Sign Push Button Red Light signal stoplight transportation Urban Road urban scene wait waiting blue city plain townurban