alert announcement be careful beware black car care careful cars caution communicating communication danger drivers informing lookout observant observe pedestrians safety security sign vehicles warning watch watch-out yellow action asphalt autobahn autoweg camion direction dynamic highway motorway move moving path race racing road route speed speeding swoosh traffic transport transportation truck trucker truckers trucks work ad ads advertise advertisement advertize advertizement banner billboard block blocks building city clouds flat flats huge parked parking post promote pylon roof sky street town wall windowed windows be-careful red watch out white balconies bare cold Dirt dirty door elevation entrance fog grass gray grey house housing lot nice old park poor sad tree trees winter crime fire garage parking lot 1950s money style vintage classic car english art deco expensive hood piece status back brake light