Traffic light and method of traffic control with the traffic light

摘要

A traffic light device is provided, comprising green, yellow, and red light displays, wherein the yellow light display has a capability to advise the motorist on the time remaining to the end of the yellow signal, and accordingly to the beginning of the red signal, in the form of numerals, exhibited on the face of the yellow light display during the time of illumination of the yellow signal, and corresponding to the number of seconds remaining to the end of the yellow signal. The yellow light display is generally connected to a countdown unit, controlling the sequential displaying of said numerals, which provides aforesaid capability. A general switching control device controls the countdown unit, particularly supplying to the countdown unit signals specifying the time period during which the yellow light must be displayed. This traffic light device's capability increases safety of driving, and may save people's lives and health.