Information Display Company in the US has reduced the energy requirements of its radar speed signs and other traffic displays by over 50%.

The company is using energy-efficiency features on its entire line of radar speed signs, variable message signs, and intelligent traffic signs to lower energy needs.

The move is intended to allow users to save on the cost of solar powered installations of SpeedCheck radar speed displays.

The new radar speed signs will operate on speed displays using solar power from fewer or smaller solar panels and batteries, according to