涿州107国道桃园路口车流量交通指数数据

主要包括涿州107国道桃园路口车各方向流量数据由车辆进出检测区域统计而来，根据进出数据控制交通信号的实时调度。用途：1. 为实现后期重新划分时段，调整时段时间以及当前时段绿信比（指信号灯周期内可用于车辆通行的绿灯时间与整个周期时间的比例）提供原始数据；1）工作日周二~周四：根据各方向前两天车流量数据，与路口设计饱和流量值比值，分区段划分时段；2）工作日周一和周五~周日：根据各方向前两周周一当天车流量数据，与路口设计饱和流量值比值，分区段划分时段；2. 根据各时间段流量，可计算车道时间占有率，并可估算车道空间占有率和车头时距；3. 提供交通部门决策所需的路口交通流量，车道占有率等数据。1.数据来源：①交通流量（即流量检测线圈的车辆总和）：去向、左转、直行等可通过软件后台监测收集得到，来向需通过测算得到；②饱和流量（即10分钟最大能通过的数量）：根据以往测算可知，为固定值。③来向、去向交通指数需通过计算。 2.数据处理及应用：来向交通流量（a1）=左转交通流量（a3）+直行交通流量（a4）+右转交通流量（a5）；去向交通流量(a2)；来向交通指数=a1/1476*X；去向交通指数=a2/776*X(X指数区间值为1-3之间) ，当来向交通指数和去向交通指数小于等于3时，车流量属于正常范围，当来向交通指数和去向交通指数大于3以上时，需要根据不同路段和不同时间段来进行分析判断车流量是否拥堵，从而优化红绿灯时间提供参考依据，提高通行效率，从而可持续发展。

This dataset mainly includes vehicle flow data in all directions at Taoyuan Intersection of National Highway 107 in Zhuozhou, which is collected by counting vehicles entering and exiting the detection area, and is used for real-time scheduling of traffic signals based on the entry and exit data.

### Applications
1. Provide raw data for subsequent re-division of time periods, adjustment of time period durations and optimization of the current green split ratio (referring to the ratio of green time available for vehicle passage within a signal light cycle to the total cycle time):
1) For workdays from Tuesday to Thursday: Divide time periods into sections based on the ratio of the vehicle flow data of each direction from the previous two days to the designed saturated flow value of the intersection;
2) For workdays Monday, Friday to Sunday: Divide time periods into sections based on the ratio of the vehicle flow data of each direction on the Monday of the previous two weeks to the designed saturated flow value of the intersection;
2. Calculate lane time occupancy based on the flow data of each time period, and estimate lane space occupancy and headway;
3. Provide data such as intersection traffic flow and lane occupancy required for traffic department decision-making.

### Data Sources
1. Traffic flow (i.e., the total number of vehicles detected by traffic flow detection loops): Outbound, left-turn, straight-going and other flows can be collected through software background monitoring, while inbound flow needs to be calculated;
2. Saturated flow (i.e., the maximum number of vehicles that can pass within 10 minutes): It is a fixed value based on previous calculation results;
3. Traffic indexes for inbound and outbound directions need to be calculated via relevant formulas.

### Data Processing and Application
Inbound traffic flow (a1) = left-turn traffic flow (a3) + straight-going traffic flow (a4) + right-turn traffic flow (a5); Outbound traffic flow is denoted as (a2);
Inbound traffic index = a1/1476 * X; Outbound traffic index = a2/776 * X (the value range of X is between 1 and 3). When both the inbound and outbound traffic indexes are less than or equal to 3, the vehicle flow is within the normal range. When the indexes exceed 3, it is necessary to analyze and judge whether the vehicle flow is congested based on different road sections and time periods, so as to provide a reference for optimizing traffic light timing, improving traffic efficiency and achieving sustainable development.

搜集汇总

数据集介绍

特点

该数据集记录了涿州107国道桃园路口的车流量和交通指数数据，包含日期、时间、各方向车流量、饱和流量和交通指数等字段，共577条记录，每日更新。数据主要用于交通信号实时调度和交通部门决策支持，通过计算交通指数优化红绿灯时间，提高通行效率。