|Produced by Lionel from 1990-91. A remake of the classic postwar #154 signal, and also one of the most common sights throughout America! The Lionel highway flasher features an electronic alternating of red lights, just like the real crossing flashers. When a train approaches, the lights go on. blinking until the train passes and it's safe to cross. Measures 8 7/8 inchs high, and comes with a pressure plate. One of the best accessories you can get for a layout.