Happy 101st Birthday to a trade light. Vox reports Cleveland experimented with red and immature vigilance lights during a four-way intersection on Aug. 5, 1914 that gave arise to a complicated system. Earlier efforts in London and Salt Lake City were unsuccessful, according to a website.
The initial lights in Cleveland were dangling above a travel on a handle and compulsory someone in a counter to flip a switch for immature or red, Vox said. Six years later, a Detroit military officer combined a yellow light to a mix.
The complement brought sequence to what was called a “chaotic” crush of pedestrians, equine and wagons and early automobiles, a website said.
For some-more on a Vox article, click here.