Quixote Corporation through its wholly owned subsidiaries, Quixote Transportation Safety, Inc. and Quixote Transportation Technologies, Inc. is the world's leading manufacturer of energy-absorbing highway crash cushions, truck-mounted attenuators, fixed and portable highway advisory radio systems, distance measuring devices, portable and permanent traffic analyzers, flexible post delineators, anti-icing systems, RWIS, pavement and weather sensors and other highway safety products and services.