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  2. Why do we have right-on-red, and is it time to get rid of it?

    www.aol.com/1970s-oil-crisis-created-turn...

    In this Dec. 23, 1973, file photo, cars line up in two directions at a gas station in New York City. Right-on-red was a gas-savings tool during the 1970s oil crisis.

  3. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    In New Zealand, where traffic is on the left, when a road is given a green light from an all-direction stop, a red arrow can continue to display to turning traffic, holding traffic back while a pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).

  4. Rules for traffic lights - Wikipedia

    en.wikipedia.org/wiki/Rules_for_traffic_lights

    Red light running occurs when a motorist enters a junction any time after the signal light turns red unless a legal turn on red manoeuvre is completed. [3] A US national survey in 2019 found that 86% of drivers thought it was very dangerous to run a red light at speed, but 31% reported that they had done so in the past 30 days.

  5. Non-detection at traffic lights in the United States - Wikipedia

    en.wikipedia.org/wiki/Non-detection_at_traffic...

    When this occurs, the small vehicle may fail to receive the right of way when the traffic light controller skips their phase, such as at traffic lights that are programmed to remain green for the main street and to only service minor movements, such as the side street or a main street left turn lane, on an as-needed basis when there is demand.

  6. Traffic light - Wikipedia

    en.wikipedia.org/wiki/Traffic_light

    Red standing man: do not cross Germany, Czechia, Central Europe Green: safe to cross Amber: continue to cross only if unable to stop safely Flashing amber: cross with caution, obey signage (used when lights are out of order or shut down) Red: do not cross Red and amber: do not cross, prepare for green

  7. Turn on red - Wikipedia

    en.wikipedia.org/wiki/Turn_on_red

    In Canada, a driver may turn right at a red light after coming to a complete stop unless a sign indicates otherwise. In the province of Quebec, turning right on a red was illegal until a pilot study carried out in 2003 showed that the right turn on red manoeuvre did not result in significantly more accidents. Subsequent to the study, the ...

  8. Traffic signal preemption - Wikipedia

    en.wikipedia.org/wiki/Traffic_signal_preemption

    Traffic signal preemption (also called traffic signal prioritisation) is a system that allows an operator to override the normal operation of traffic lights.The most common use of these systems manipulates traffic signals in the path of an emergency vehicle, halting conflicting traffic and allowing the emergency vehicle right-of-way, thereby reducing response times and enhancing traffic safety.

  9. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    The sale of a blue emergency light is permitted; however, the possession of such a light in vehicles (whether turned on or off, visible or not) is strictly illegal. Red lights are used by the first and last vehicle of a convoy of designated vehicles and also are strictly regulated.