asphalt car highway interstate landscape median pavement road Road Trip street street scene stripe striping tree trees trip truck vehicle downtown advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black care careful cars caution communicating communication concern danger dangerous directional directions informing lanes left lefthand-lane Look looking lookout message observant risk risks road-rules safety sign signs traffic traffic-flow vehicles watch watch-out white American South avenue driveway plantation southern plantation crazy freeway hurry speed