New Delhi: As usual, Google on Wednesday marked the 101st anniversary of first electric traffic signal with an interesting doodle on its homepage.
The Google doodle, which is in black and white, shows the red and green lights of the traffic signal at the centre while vehicles and carriages with the Google alphabets on them move across the streets following the traffic signal rules.
The first red and green traffic lights were installed on the corner of Euclid Avenue and East 105th Street in Cleveland, Ohio, on August 5, 1914, although the original design though came from a Salt Lake City policeman named Lester Wire, who came up with the idea two years previous in 1912.
While there have been various claims regarding who was responsible for the world's first traffic signal, the system installed in 1914 is regarded as the first electric traffic signal based on a design by James Hoge.
The design by James Hoge allowed police and fire stations to control the signals in case of emergency.
It had two colors, red and green, and a buzzer to provide a warning for color changes.
The design by James Hoge allowed police and fire stations to control the signals in case of emergency.
Traffic signals are important because it provide direction and safety to road users by allocating and rellocating right of way.
