The reporter learned from the Chengdu Municipal Communications Commission yesterday that the Tianhua Avenue signal light optimization and transformation pilot has been successful. After the time is ripe, the new signal lights will be extended to other intersections. In the second half of this year, Chengdu will start the work of adaptive signal control in the central city. In the future, urban traffic lights will adjust the time according to traffic flow.
Three-light three-color driver sees more clearly
It is understood that Tianfu Avenue has been transformed from the Tianfu Interchange of the Third Ring Road to the Huashan Laoshan Road. The 18 intersections of the 13-kilometer road have all been converted into three-lamp and three-color signal lights. The signal lights here are divided into three groups. The left side is the turn signal light. The other two groups are three vertically arranged light panels. From top to bottom, there are red, yellow and green lights. When one is bright, the other two lights are on. It is off.
According to the introduction, the signal light is reset according to the standard structure of “one lamp and one colorâ€, so that the red, yellow and green lights are displayed independently in different spatial positions. In the past, because three lamps were installed in one lamp panel, the lamps were not bright enough, and it was easy to read them wrong. It was not easy to see in fog. After changing to one lamp and one color, the brightness of the lamp increases, and the driver can see more clearly.
Traffic flow signal lights control time
“The new signal of Tianfu Avenue has been connected to the monitoring center of Chengdu Traffic Management Bureau to realize the green wave control of the whole line signal.†The relevant person in charge of the Traffic Management Committee said that Tianfu Avenue, Dongchenggen Street South Extension Line, Changshun Street South Extension Line, The 284 intersections of the main roads such as Qingyang Avenue, Yulin South Road and Shaxi Line will realize coordinated control of signal interconnection. Within this year, there will be a total of 580 intersections in the central city (within the Third Ring Road) to achieve signal linkage control.
The person in charge said that the most important thing is that the newly-reformed signal light will lay the foundation for the adaptive signal control mode in the central city in the future. According to the introduction, the signal lights within the Third Ring Road of downtown Chengdu will be built into an adaptive signal control mode. The signal light has a sensing system self-testing peripheral traffic flow, which can accurately set the lighting time according to the traffic flow in real time.
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