Additional safety and lighting of pedestrian crossings using green energy can be reached by using specially designed device for forced reduction of vehicle speed. Device performs two functions: during the movement of the vehicle above the device, it generates electrical energy, as well as works like a normal speed limiter (a thick plate that is attached to the road surface to slow down the velocity of vehicles). This paper takes a new look at the term of „sleeping policeman" - an element forcibly reducing the speed of vehicles, one of the measures to calm the traffic, in our case before the pedestrian crossing. "Sleeping policeman" offered in the frame of current research offers possibility also to generate green energy for additional lightening of pedestrian crossings. Both functions together, will bring pedestrian crossing to the new level of safety.