Guangzhou pioneered the “Internet + Signal Light†road management model in the country, and connected real-time road conditions, congestion index, and early warning data to the traffic command system, helping the traffic police to check the road network problem nodes, implementing targeted management and command and dispatch, and making the central city backbone The average daily speed of the road workday night increased by 6.71% year-on-year, becoming one of the seven congestion relief cities in the 45 major cities in 2016.
What is "Internet + Signal Light"?
Ordinary traffic lights can make traffic flow in all directions and pedestrians have access to road intersections. What is the "Internet + signal light" that is so effective for traffic delays? According to China News Network, "Internet + Signal Light" can analyze the data, accurately calculate and evaluate the traffic flow in the area for real-time road conditions, optimize the rational use of traffic lights, optimize the maximum traffic volume in the region under saturation, and realize the signal light. Intelligent control to improve the traffic environment. In layman's terms, traffic lights can “determine†the time they display according to the needs of the road. For example, there is no car at the intersection, but the signal light shows a green light; when there are many intersection cars, the traffic light shows a red light, and the vehicle is not allowed to pass. "Internet + signal light" can change this situation, using the monitored traffic data, so that the intersection of the car shows a longer green light, and the red light of the intersection where the car is less is longer.
What are the advantages of "Internet + Signal Light"?
What are the advantages of "Internet + Signal Light" compared to the traffic signal control system used before? In addition to the above, "Internet + Signal Light" can achieve automatic control, making traffic operation more "smart", and its monitoring range is much larger than ordinary signal lights. The previously used traffic signal control system is only a section inspection. It cannot sense the traffic operation of the whole road section, and it is easy to cause congestion at the intersection. The "Internet + signal light" can effectively control this phenomenon.
How does "Internet + Signal Light" become smarter?
"Internet + signal lights" make traffic lights more and more intelligent mainly through the following four steps:
1. Monitoring. Real-time monitoring of road conditions, such as which intersections are congested, which exits have “passages†and how close each intersection and each direction can be “reported†at the first time. "Internet + signal lights" have changed the situation of relying on public alarms and police inspections to find problems at the intersection.
2. Big data processing. "Internet + Signal Light" through the calculation and prediction of big data, combing the traffic conditions of various intersections, real-time measurement of each intersection.
3. Design timing scheme. According to the calculated data, the timing scheme of the traffic signal can be designed. At the same time, the timing scheme based on the floating vehicle trajectory is not a traditional “one-off†scheme, but can analyze the traffic big data. Once again, different "solutions" were designed to give the optimal optimization plan by simulating the traffic conditions after the implementation of different optimization schemes.
4. Pass the instructions to the “Internet + Signal Light†for optimal timing.
Note: This article is transferred from Sanojie Technology's official website ()
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