When I once chatted with a card friend, I heard such a magic word - green belt. Are you sure that you are not talking about green belts on the roadside! What is the green wave zone? Presumably, the card friends who drive will encounter such complaints. Why do each intersection just meet the red light and why is the probability of all the green lights so low?
The principle of the so-called green wave belt is to coordinate the traffic signals of a group of adjacent intersections on the trunk line so that the vehicles entering the trunk line can meet the red light less frequently or at less than the prescribed speed.
â— Why is the legendary green wave band difficult to meet?
The author first heard this topic from a card friend's mouth and learned that the career that the card friend is engaged in is a driver of a city distribution company. Lowering the cost and increasing the attendance rate is the development purpose of the logistics company. In their company's training meeting, this theory has been put forward, green belt can reduce parking time, reduce fuel consumption and improve distribution efficiency.
Drivers who run downtown distribution should know that the most hate to meet the red light, in addition to the constant stoppage of the car, the car has to repeat the brakes and start with a red light. One to two, it is absolutely difficult to achieve the best fuel consumption. Then, with the proposal of the Green Belt theory, can it really reduce the parking time?
When the green wave belt is designed, it has a certain speed requirement, which is the so-called "green wave speed." If you are in this speed range, it may be a green light. Anyway, speed too fast or too slow may miss the convenience brought by the green belt.
â— Drive at constant speed to search for green wave band
Is it the author who used to be ignorant and has not heard of the green belt? Then searched for a lot, in the urban area, the "multi-road signal linkage" section is commonly known as "green wave band." So where does the green wave speed come from?
Under normal circumstances, the identification plate will be designed on the sections designed with multi-linked linkage lights, clearly marking the green wave speed. If there is no obvious green wave speed sign, the card friend who often runs a certain road section can try different speeds to find the green wave band. Under normal circumstances, the green wave speed is lower than the speed of the road design.
â— Green belt enhances road capacity
It is understood that, under normal circumstances, the green belt will be designed on road sections with relatively stable traffic flow and good road conditions. The effect of multiple intersection signal linkages on blockage is mainly reflected in the reduction of congestion index and speedup. Due to the reduction in the number of stoppages, it also has a positive effect on the improvement of the urban environment.
Of course, if you say that in the green wave zone you are driving at green speed, the vehicle will start from the first green light and the probability of encountering a red light will be greatly reduced.
â— Postscript:
The so-called green wave belt will also have certain drawbacks. If there is a peak traffic flow in the morning and evening peaks, the motor vehicles randomly change lanes, stop the vehicles in disorder, and disturb pedestrian crossings, which will also affect the road capacity to some extent. . Of course, the drawbacks of the Green Belt are more than negligible in terms of benefits. At the same time, it is hoped that our card members will abide by traffic and contribute to the unimpededness of the city.
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