Semaphore perfected applicable on public roads for automobile traffic signaling and / or pedestrian. (Machine-translation by Google Translate, not legally binding)

摘要

Perfect semaforo applicable on the public road for signaling of the automobilistic and/or pedestrian transit, essentially characterized by incorporating a numeric counter that indicates the total time or fraction of resting time to produce the change of high or red lights to green or free and vice versa. (Machine-translation by Google Translate, not legally binding)