Geodude
10-12-17, 09:10 AM
Hope you have a brilliant birthday :D
On this day in 1868 The first traffic lights were installed, outside the Palace of Westminster in London. Resembling railway signals, they used semaphore arms and were illuminated at night by red and green gas lamps.
On this day in 1868 The first traffic lights were installed, outside the Palace of Westminster in London. Resembling railway signals, they used semaphore arms and were illuminated at night by red and green gas lamps.