The present invention provides a traffic control sign assembly that comprises a sign having a central opening. Control consoles are positioned on opposite sides of the sign in centered relation to the central opening and are connected to one another and to the sign. A two-sided bread board type LED light panel is mounted in the central opening within the control consoles with light-diffusing panels mounted over the LED light panel. A power source is connected to the LED light panel. A first silk screen with legend "STOP" and a second silk screen with legend "STOP" or "SLOW" is located on the back of each of the light-diffusing panels in alignment with the LED light panel. Switch means for turning said power source "ON" in a holding or a flashing mode or "OFF" is provided. A handle assembly is secured to the sign.