bike circle city cycle cycling drive driving forbidden icon object pictogram ride road shield sign street traffic traffic sign urban warning beware danger digger excavator safety security travel vehicle yellow animal sheep 30 direction limit number red speed limit thirty village white car highlands narrow passing place scotland signpost single track winter ahead block blockage blocked construction constructions cutout detour diversion isolated lamps lights platform roadsign roadsigns signs trailer turn works caution crossroads give give way junction post right turn right way 3D abstract arrow bad black choice decision failure Good Rendered split success cars go signal signs full stop stop Stop light advice alert announcement appropriate-behavior appropriate-behaviour be-careful care careful cautious communicating communication concern conditions dangerous directions informing Look looking lookout observant risk risks road-conditions road-risks rural slippage slippery slow slow-down speed speed-reduction tractor tractors vehicles warning-sign watch watch-out