cliparts/2/9/8/2/clipart-traffic-semaphore-2982.svg image/svg+xml Open Clip Art Library Traffic semaphore 2013-02-10T09:56:00 http://openclipart.org/detail/174963/semaphore-by-28victorydesign-174963 28victorydesign abstract art background black clip art clipart creative decoration design green icon red semaphore stop symbol traffic semaphore yellow