auxiliary bend crossroads isolated junction main priority road roadsign secondary sign turning unusual yellow advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware care careful caution communicating communication cycling cyclists informing lookout no-speeding observant park path pathways pedestrian-priority pedestrians risk risks safety share sharing signs track walk walkers walking warning watch watch-out animal-crossing animal-priority animals cautious crossing directions distance mammal not=too-close observe otter otters restricted restriction restrictions security wildlife