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  2. 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).

  3. Lane control lights - Wikipedia

    en.wikipedia.org/wiki/Lane_control_lights

    Lane control signals around the world follow their own universal pattern, as specified in the Vienna Convention on Road Signs and Signals. [1]: Art.23, ¶11 Typical signals include a green downward arrow, used to indicate a lane which is open to traffic facing the signal, a red cross, which indicates a lane is either reserved for opposing traffic or closed to traffic in both directions, and a ...

  4. Federal Motor Vehicle Safety Standard 108 - Wikipedia

    en.wikipedia.org/wiki/Federal_Motor_Vehicle...

    In order to show compliance to FMVSS 108, the lens of each original equipment and replacement headlamp, daytime running lamp (DRL) and certain conspicuity reflectors must be marked with the symbol "DOT". [1]: S6.5, S8.2.1.3, Table III This symbol may also be applied to compliant signal lighting devices, but is not mandatory.

  5. Ring’s Car Camera Is An Impressive Security System, But ...

    www.aol.com/ring-car-camera-impressive-security...

    Ring’s ecosystem can be automated to interact with other devices—for example if your Ring floodlight camera detects motion you can tell all of your other outdoor lights to turn on or even ...

  6. Green flash - Wikipedia

    en.wikipedia.org/wiki/Green_flash

    Green flash occurs because the atmosphere causes the light from the Sun to separate, or refract, into different frequencies. Green flashes are enhanced by mirages, which increase refraction. A green flash is more likely to be seen in stable, clear air, when more of the light from the setting sun reaches the observer without being scattered.

  7. Review: New Ring Car Cam Keeps an Eye on Your Ride - AOL

    www.aol.com/review-ring-car-cam-keeps-194200981.html

    Integrated right into your established home security network, the Ring Car Cam is a seamless way to monitor your vehicle inside and out from almost anywhere. Review: New Ring Car Cam Keeps an Eye ...

  8. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    In New York City, a single flashing green light separated from the other red and blue flashing lights on an NYPD vehicle denotes it as a THV (Temporary Headquarters Vehicle) also known as a Mobile Command Post vehicle and also used on a 2-star Assistant Chiefs marked RMP (Radio Motor Patrol) vehicle to identify it as such.

  9. Light characteristic - Wikipedia

    en.wikipedia.org/wiki/Light_characteristic

    A Morse code light is light in which appearances of light of two clearly different durations (dots and dashes) are grouped to represent a character or characters in the Morse Code. For example, "Mo(A)" is a light in which in each period light is shown for a short period (dot) followed by a long period (dash), the Morse Code for "A".