Traffic Light Solution
Traffic Flow Analysis
Patterns of Traffic Volume Changes
Peak Hours:During the morning and evening commuting times on weekdays, such as from 7 to 9 a.m. and during the evening rush hour from 5 to 7 p.m., the traffic volume will reach its peak. At this time, vehicle queuing is a common phenomenon on the main roads, and the vehicles move slowly.For example, at an intersection connecting the central business district and the residential area in a city, there may be 50 to 80 vehicles passing through per minute during the peak hours.
Off-Peak Hours:During the non-peak hours on weekdays and on weekends, the traffic volume is relatively low, and the vehicles move at a relatively faster speed. For instance, from 10 a.m. to 3 p.m. on weekdays and during the daytime on weekends there may be 20 to 40 vehicles passing through per minute.
Vehicle Type Composition
Private Cars: May account for 60% to 80% of the total traffic volume.
Taxi: In The city center, railway stations, and commercial areas, the number of taxis and ride-hailing cars will increase.
Trucks: At some intersections close to logistics parks and indus[trial areas, the traffic volume of trucks will be relatively high.
Buses : Usually a bus passes by every few minutes.
Pedestrian Flow Analysis
Patterns of Pedestrian Volume Changes
Peak Hours:The pedestrian flow at intersections in commercial areas will reach its peak on weekends and holidays. For example, at intersections near large shopping malls and shopping centers, from 2 to 6 p.m. on weekends, there may be 80 to 120 people passing through per minute. In addition, at intersections near schools, the pedestrian flow will increase significantly during the school arrival and dismissal times.
Off-Peak Hours:During the non-peak hours on weekdays and at some intersections in non-commercial areas, the pedestrian flow is relatively low. For example, from 9 to 11 a.m. and from 1 to 3 p.m. on weekdays, at intersections near ordinary residential areas, there may be only 10 to 20 people passing through per minute.
Composition Of The Crowd
Office Workers : During the commuting hours
on week days, office workers are the main group
Students: At intersections near schools during the school arrival and dismissal times,students will be the main group.
Tourists : At intersections near tourist attractions, tourists are the main group.
Residents : At intersections near residential areas, the time of residents' outings is relatively scattered.
①Pedestrian detection sensor deployment: Pedestrian detection sensors,
such as infrared sensors, pressure sensors, or video analysis sensors, are
installed at both ends of the crosswalk. When a pedestrian approaches the
waiting area, the sensor quickly captures the signal and transmits it to the
traffic signal control system.
Completely present the dynamic information of people or objects in the
space. Real-time judgment of pedestrians' intention to cross the street.
②Diversified display forms: In addition to the traditional round red and green signal lights, human-shaped patterns and road stud lights are added. A green human figure indicates that passage is allowed, while a static red human figure indicates that passage is prohibited. The image is intuitive and is especially easy for children, the elderly and people who are not familiar with traffic rules to understand.
Linked with traffic lights at intersections, it can actively prompt the status of traffic lights and pedestrians to cross the street from zebra crossings. It supports linkage with ground lights.
Green wave band setting: By analyzing the traffic conditions at the main road intersections in the region and combining the existing intersection plans, the timing is optimized to coordinate and link the intersections, reduce the number of stops for motor vehicles, and improve the overall traffic efficiency of the regional road sections.
Intelligent traffic light coordination technology aims to control the traffic
lights at multiple intersections in a linked manner, allowing vehicles to pass through multiple intersections continuously at a specific speed without encountering red lights.
Traffic signal control system platform:Realize remote control and unified dispatch of networked intersections in the region, remotely lock the phase of each relevant intersection
through the signal control platform during major events, holidays, and
important security tasks, and adjust the phase duration in real time to
ensure smooth traffic.
Relying on traffic data-driven trunk line coordination control (green
wave band) and induction control. At the same time, various auxiliary
optimization control methods such as pedestrian crossing control,
variable lane control, tidal lane control, 'bus priority control, special
service control, congestion control, etc. are implemented according to
the actual conditions of different road sections and intersections.Big
data intelligently analyzes the traffic safety situation at intersec-
tions, serving as a "data secretary" for traffic optimization and control.
When a vehicle is detected waiting to pass in a certain direction, the traffic signal control system automatically adjusts the phase and green light duration of the traffic light according to the preset algorithm.For example, when the length of the queue of vehicles in a left-turn lane exceeds a certain threshold, the system appropriately extends the green light duration of the left-turn signal in that direction, giving priority to left-turning vehicles and reducing vehicle waiting time.
Traffic benefits: Evaluate the average waiting time, traffic capacity, congestion index, and other indicators of vehicles at intersections before and after the implementation of the system.The improvement effect of the system on traffic conditions. It is expected that after the implementation of this plan, the average waiting time of vehicles at intersections will be significantly reduced, and the traffic capacity will be improved Increase by 20% -50%, reduce congestion index by 30% -60%.
Social benefits: Reduce exhaust emissions from vehicles due to long waiting times and frequent starting and stopping, and improve urban air quality. At the same time, improving roads Traffic safety level, reducing the incidence of traffic accidents,and providing a safer and more convenient transportation environment for citizens' travel.
Economic benefits: Improve transportation efficiency, reduce vehicle fuel consumption and time costs, lower logistics transportation costs, and promote urban economic development Exhibition. Through benefit evaluation, continuously optimize system solutions to ensure maximum
