alert appropriate-behavior appropriate-behaviour arrow black blue care communicating communication concern danger dangerous denied directions disapproval disapproved information informing no-standing not-allowed not-permitted permission-denied prohibited prohibition prohibitions protect protection red restricted restrictions risks risky roadside rules safety sign signs sun-rays sunlight sunlit symbols warning warning-sign white bumblebee flower purple.vetch vogelwikke behave behavior behaviour dumping illegal no-dumping no-verge-dumping restriction secretive verge crossingn help pedestrians Signals street warnings