Profile: Quixote Transportation Technologies, Inc. offers integrated systems, distance measuring instruments, fixed & mobile pavement sensors and traffic counting systems. Our solar max radio system is a portable highway advisory system designed for quick set-up. It gives information about temporary incidents, inclement weather evacuations and other important events within 10 minutes. Our alert max consists of a changeable message sign and solar powered trailer. Text messages are displayed on the changeable message sign and audio messages are broadcast to motorists about local conditions, events and emergency instructions.