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  2. Traffic light - Wikipedia

    en.wikipedia.org/wiki/Traffic_light

    This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Signaling device to control competing flows of traffic This article is about lights used for signalling. For other uses, see Traffic light (disambiguation). "Stoplight" redirects here. For other uses, see Stoplight (disambiguation). An LED 50- watt traffic light in Portsmouth, United ...

  3. Traffic light coalition - Wikipedia

    en.wikipedia.org/wiki/Traffic_light_coalition

    In German politics, a traffic light coalition (German: Ampelkoalition) is a coalition government of the Social Democratic Party (SPD), the Free Democratic Party (FDP) and Alliance 90/The Greens. It is named after the parties' traditional colours , respectively red, yellow, and green, matching the colour sequence of a traffic light ( Ampel ).

  4. Symbol - Wikipedia

    en.wikipedia.org/wiki/Symbol

    A red octagon symbolizes "stop" even without the word. Wearing variously colored ribbons is a symbolic action that shows support for certain campaigns.. A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship.

  5. History of traffic lights - Wikipedia

    en.wikipedia.org/wiki/History_of_traffic_lights

    The signal was 22 feet (6.7 m) high. The light was called the semaphore and had arms that would extend horizontally that commanded drivers to "Stop" and then the arms would lower to a 45 degrees angle to tell drivers to proceed with "Caution". At night a red light would command "Stop" and a green light would mean use "Caution". [3]

  6. Vienna Convention on Road Signs and Signals - Wikipedia

    en.wikipedia.org/wiki/Vienna_Convention_on_Road...

    The title page of the Vienna Convention on Road Signs and Signals. The Convention on Road Signs and Signals, commonly known as the Vienna Convention on Road Signs and Signals, is a multilateral treaty to standardize the signing system for road traffic (road signs, traffic lights and road markings) in use internationally.

  7. Do you stop in an intersection to make a left turn? Here’s ...

    www.aol.com/stop-intersection-left-turn-why...

    Politics. Science & Tech. ... I was recently told by a friend that the proper way to make a left-hand turn at a stop light was to proceed into the intersection when the light turns green, then ...

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  9. Rules for traffic lights - Wikipedia

    en.wikipedia.org/wiki/Rules_for_traffic_lights

    A flashing amber traffic light usually indicates you have a yield or stop sign as a redundant sign, while a turned-off traffic light usually indicates you have the right-of-way. In the UK and parts of North America, drivers simply treat the junction as being uncontrolled when traffic lights fail, giving way as appropriate, unless a police ...