| CPC G08G 1/07 (2013.01) [G08G 1/095 (2013.01)] | 18 Claims |
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1. A computerized method for providing an advance traffic light signal change notification for a traffic light apparatus comprising a green traffic light, a yellow traffic light, and a red traffic light, the method comprising the steps of:
turning on the green traffic light during a green light illumination interval, while maintaining the yellow and red traffic lights in a turned-off state;
during a first amount of time prior to an end of the green light illumination interval, turning on the yellow traffic light to provide simultaneous illumination of the green traffic light and the yellow traffic light;
at the end of the green light illumination interval, turning off the green traffic light such that only the yellow traffic light remains on;
allowing the yellow traffic light to remain on during a yellow light illumination interval, while maintaining the green and red traffic lights in the turned-off state, wherein the step of allowing the yellow traffic light to remain on during said yellow light illumination interval comprises intermittently illuminating the yellow traffic light during a second part of the yellow light illumination interval, the second part immediately following a first part of the yellow light illumination interval starting at the end of the green light illumination interval, the second part extending to an end of the yellow light illumination interval, the second part having a duration equal to a second amount of time;
turning off the yellow traffic light at the end of the yellow light illumination interval; and
turning on the red traffic light consecutively to turning off the yellow traffic light.
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