Traffic light (nonfiction): Difference between revisions
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The world's first, manually operated gas-lit traffic signal was short lived. Installed in London in December 1868, it exploded less than a month later, injuring or killing its policeman operator. | The world's first, manually operated gas-lit traffic signal was short lived. Installed in London in December 1868, it exploded less than a month later, injuring or killing its policeman operator. | ||
On 5 August 1914, the American Traffic Signal Company installed a traffic signal system on the corner of East 105th Street and Euclid Avenue in Cleveland, Ohio. | |||
== In the News == | == In the News == | ||
Latest revision as of 07:40, 22 June 2017
Traffic lights, also known as traffic signals, traffic lamps, traffic semaphore, signal lights, stop lights, robots (in South Africa), and (in technical parlance) traffic control signals, are signalling devices positioned at road intersections, pedestrian crossings, and other locations to control flows of traffic.
The world's first, manually operated gas-lit traffic signal was short lived. Installed in London in December 1868, it exploded less than a month later, injuring or killing its policeman operator.
On 5 August 1914, the American Traffic Signal Company installed a traffic signal system on the corner of East 105th Street and Euclid Avenue in Cleveland, Ohio.
In the News
Fiction cross-reference
Nonfiction cross-reference
External links:
- Traffic light @ Wikipedia