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Image:Ampel.svg, Image:traffic lights red.svg, Image:traffic lights green.svg, Image:traffic lights yellow.svg Licensing This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license.
Traffic lights normally consist of three signals, transmitting meaningful information to road users through colours and symbols, including arrows and bicycles. The regular traffic light colours are red, yellow (also known as amber), and green arranged vertically or horizontally in that order.
Flashing yellow arrow. [edit] Variations on the protected/permissive traffic signals in the United States; (1) is the "classic" doghouse five-light signal introduced in 1971; (2) and (3) incorporate flashing yellow arrows. In the US, a flashing yellow arrow is a signal phasing configuration for permissive left turns.
An early two-light traffic signal by White Horse Tavern in Hudson Street, New York. Image taken in 1961. Despite the failure of the world's first traffic light in London in 1869, countries all around the world still made traffic lights. By 1880, traffic lights spread all over the world, and it has always been like that, since then.
Origin. Xiaolüren, a sign on traffic signals for pedestrians, was created in 1961 by traffic psychologist Karl Peglau (1927–2009) as part of a proposal for a new traffic lights layout in East Berlin, Germany. The sign is generally for pedestrian road-crossings. The frontal-facing red man denotes "stop", while the animated side-facing green ...
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Ampelmännchen (German: [ˈampl̩ˌmɛnçən] ⓘ; literally 'little traffic light man', diminutive of Ampelmann [ampl̩ˈman] ⓘ) is the symbol shown on pedestrian signals in Germany. Prior to German reunification in 1990, the two German states had different forms for the Ampelmännchen, with a generic human figure in West Germany, and a ...
Roundabout ahead. Road narrows on right ahead (left if symbol reversed) Road narrows on both sides ahead. Reduce speed now. Sharp deviation of route to left (may be used with amber border, right if symbol reversed) Traffic lights ahead. Steep hill upwards ahead. Steep hill downwards ahead. Use low gear.