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  2. Variations in traffic light operation - Wikipedia

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

    In Canada a flashing yellow light at an intersection that would otherwise have traffic signals indicates that the traffic signals are malfunctioning. In this case the flashing yellow is seen by all vehicles approaching the intersection, and indicates that all vehicles must treat the intersection as a four way stop.

  3. Rules for traffic lights - Wikipedia

    en.wikipedia.org/wiki/Rules_for_traffic_lights

    In some jurisdictions (such as New York City), [citation needed] there are ordinances or by-laws against "gridlocking".A motorist entering an intersection (even if on a green light) but unable to proceed and who gets stranded in the intersection (when traffic ahead fails to proceed), and who remains after the light turns red (thus blocking traffic from other directions) may be cited.

  4. Manual on Uniform Traffic Control Devices - Wikipedia

    en.wikipedia.org/wiki/Manual_on_Uniform_Traffic...

    The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated MUTCD) is a document issued by the Federal Highway Administration (FHWA) of the United States Department of Transportation (USDOT) to specify the standards by which traffic signs, road surface markings, and signals are designed, installed ...

  5. What should you do if a red light won’t change? Can you run ...

    www.aol.com/red-light-won-t-change-150000738.html

    The vehicle code states that when two drivers approach an intersection at the same time and the traffic signals are not working, the driver of the vehicle on the left must yield to the driver on ...

  6. Traffic light control and coordination - Wikipedia

    en.wikipedia.org/wiki/Traffic_light_control_and...

    The battery backups can operate the controller in emergency mode with the red light flashing or in fully functional mode. In 2004, California Energy Commission recommended to have local governments to convert their traffic lights to LEDs with battery backups. This would lower the energy consumption and enhance the safety at major intersections.

  7. Can I run a red light if it won’t change? Flash my high beams ...

    www.aol.com/news/run-red-light-won-t-183208674.html

    High beams should be used when you can’t see 1,000 feet away from you, according to the California Department of Motor Vehicles. Low beams should be used during inclement weather or within the ...

  8. Road traffic control device - Wikipedia

    en.wikipedia.org/wiki/Road_traffic_control_device

    The red light means that the vehicle facing the traffic light must come to a complete stop. A green light means that the vehicle facing the traffic light may proceed when it is safe to do so. A yellow light indicates that a red light will follow, and vehicle drivers must stop if it is safe to do so. Flashing beacons are flashing signals.

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

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

    In the section on traffic signals, the law says that drivers facing a green signal who want to turn “shall stop to allow other vehicles within the intersection control area to complete their ...