car cruising speed dial face full speed high speed indicator pointer; indicating rapidity speed speed indicator speedometer tacho tachometer velocity racing black circular communicating communication directing direction directional indication informing reflective roundabout sign speed reduction street sign traffic traffic flow yellow aeroplane aid aircraft airfield airplane assist aviation breeze bright climate conditions flight indicate orange pilot pilots point pointer sock weather wind windsock arrows curved give-way red triangle triangular white auto dash dashboard fuel gasoline instrument kilometers limit miles mph panel power transportation vehicle close-up dark distance gauge kilometer lit macro measure meter needle numbers speedo advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware care careful caution cycling cyclists lookout no-speeding observant park path pathways pedestrian-priority pedestrians risk risks safety share sharing signs track walk walkers walking warning watch watch-out blue cars concern directions monitored monitoring noted observed site-regulations vehicles warning-sign