The two forms of the traffic light. One of the many ways the traffic light can form. This is an oscillator made up of four Blinkers. They are positioned just so that they do not encounter and disrupt each other. They can form from many things, but a notable one is the T Tetromino. Retrieved from "https://conwaygamelife.fandom.com/wiki/Traffic_Light?oldid=4007" Categories: Oscillators Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.