Information Display Company is the leading manufacturer of radar speed display signs and intelligent traffic signs. For more than 15 years, our SpeedCheck radar speed display signs have been widely recognized as the most durable, versatile and effective traffic calming displays.    

IN THE NEWS -- Many of those concerned with speeding traffic are finding that flashing beacons, together with SpeedCheck radar speed displays, are a real winning combination. Learn how the city of Spokane Valley, Washington has used speed displays and flashing beacons to significantly reduced traffic speeds around several school zones.

Traffic Calming Studies


DisplayManager™, QuickChange™ SafetyMask™, SpeedCheck™, Speed Limit Alert™, TimeKeeper™, TrafficAnalyzer™, TrafficFlow Manager™, UltraClear™, and ViolationAlert™, are trademarks of Information Display Company © 2008-2015