![](http://www.alamy.com/thumbs/6/5ABA3637-7466-4362-873C-F353BE22E030/2CBCBMK.jpg)
1930's experimental traffic lights (red and green) for pedestrian crossings. Road studs and Belisha Beacon systems (an amber-coloured globe lamp on top of tall black and white pole), followed in 1934.
Size: 5315px × 3548px
Photo credit: © Colin Waters / Alamy / Afripics
License: Licensed
Model Released: No
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