car cars information post road sign signs traffic warning beam dawn light ray rays sunlight sunrise hills mountains serpent turning vegetation advice alert appropriate-behavior appropriate-behaviour clearway communicate communication danger dangerous denied directions informing keep-clear law legal no-parking no-standing no-temporary-parking not-allowed not-permitted permission-denied prohibited prohibition red refusal restricted restriction restrictions risk risks risky road-safety road-side safety unacceptable vehicles warning-sign white dark freeway highway jam lights night trails access-denied care caution parking background city cobbelstone grey oldtown stone street texture transport bad bumpy field holes pothole puddle sandy water wet canada cloud destination direction lake landscape rural sky travel