The Story of Ampelmännchen

At A Glance First traffic light of the world London in 1868 first signal system has operated on gas. First electric traffic light of the world In 1914 in Cleveland Ohio first electrical signal system began service First signal system in Berlin In 1924 at the Potsdamer Platz  first electrical signal system in Berlin (Today an original replica of the historic green traffic tower you find at the Potsdamer Platz) First set of pedestrian traffic […]