Smart traffic lights on the streets: real-time analysis of traffic to decide lights time

This year in The Sunshine of Shandong Province, a smart traffic light appeared on the streets. According to the introduction, this intelligent signal light is very “smart”, can effectively alleviate the problem of congestion at intersections. Since September this year, the Sunshine Traffic Police Department has installed this intelligent signal light at four intersections, such as Haiqu Road and Tai’an Road, which can analyze the traffic status in all directions in real time, and determine the length of time for all parties to traffic lights, and improve the efficiency of traffic.

Smart traffic lights on the streets: real-time analysis of traffic traffic fixed traffic lights

Chen Zhen, Head of science and technology communications section of the Rizhao Traffic Police Branch: We put the traffic light control system and the traffic monitoring equipment of the intersection, the information transmitted over the data sharing, realized according to the traffic backlog at the intersection to achieve the automatic timing of the inducted signal lights. For example, a directional car backlog, a direction car is very few, the signal lights will be automatically changed according to the flow, more places are green light, less car lane is red light.

Smart traffic lights on the streets: real-time analysis of traffic traffic fixed traffic lights

Chen Zhen introduced, compared with the traditional signal lamp, this kind of signal lamp is more intelligent, can be automatically adjusted in real time.

Smart traffic lights on the streets: real-time analysis of traffic traffic fixed traffic lights

Chen Zhen, head of the Science and Technology Communications Section of the Rizhao Traffic Police Branch: These four intersections have been remodeled, and the current rough calculation, the morning and evening peak hourly pass volume than before the transformation increased by more than 7%, in Pingfeng when the increase of 15%.

Smart traffic lights on the streets: real-time analysis of traffic traffic fixed traffic lights

In addition, the local traffic police department also made improvements to the countdown to the signal lights, the number of times the signal lamp countdown display time from the previous 30 seconds to 90 seconds, adjusted to 9 seconds, to further improve the efficiency of the intersection.

Smart traffic lights on the streets: real-time analysis of traffic traffic fixed traffic lights

Chen Zhen, Head of science and technology communications section of the Rizhao City Traffic Police Branch: We found from this patrol and video surveillance, the whole read seconds when the driver’s attention is easy not to concentrate, he will be distracted to do other and driving related things, resulting in man-made intersection congestion, there is easy to cause tail-end accidents. In the actual test, as long as the driver is focused, this 9 seconds is enough for him to react smoothly through the intersection.

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