CN109087507A - A kind of road traffic signal single-point control Benefit Evaluation Method - Google Patents
A kind of road traffic signal single-point control Benefit Evaluation Method Download PDFInfo
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Abstract
本发明提供一种道路交通信号单点控制效益评价方法，其能够提供量化的数据，客观的评价道路交叉口信号的控制效益。一种道路交通信号单点控制效益评价方法，其包括步骤：S1:确定能够表征道路交叉口交通运行状况的指标；S2：确认指标的计算公式，并计算指标的单项指标值；S3：建立单项指标值取值范围与单点控制效益评估指数的取值范围的对应关系；S4：通过线性插值方法计算出对应的单点控制效益评估指数；S5：针对在不同的交通时段评价交通信号单点控制效益的侧重点不同，对不同交通时段的各项指标设置不同的权重；基于各项单点控制效益评估指数和与之对应的权重，运用加权平均法计算出对应的单个交叉口对应的控制效益综合指数。
The invention provides a road traffic signal single-point control benefit evaluation method, which can provide quantitative data and objectively evaluate the control benefit of the road intersection signal. A road traffic signal single-point control benefit evaluation method, which includes steps: S1: determine the index that can characterize the traffic operation status of the road intersection; S2: confirm the calculation formula of the index, and calculate the single index value of the index; S3: establish the single item The corresponding relationship between the value range of the index value and the value range of the single-point control benefit evaluation index; S4: calculate the corresponding single-point control benefit evaluation index through the linear interpolation method; S5: evaluate the traffic signal single point in different traffic periods The focus of the control benefits is different, and different weights are set for the indicators in different traffic periods; based on the evaluation indexes of each single-point control benefit and the corresponding weights, the weighted average method is used to calculate the corresponding control of a single intersection. Comprehensive benefit index.
Description
Technical field
The present invention relates to intersection signal Control effect appraisement technical field, specially a kind of road traffic signal list
Point control Benefit Evaluation Method.
Background technique
With the extensive use of intelligent transport technology, traffic signalization technology obtains extensive development.According to statistics, end
2016 end of the year whole nations share 7.4 ten thousand Signalized control intersections, and lamp control rate reaches 43.1%.The signal of various regions application controls system
It unites wide variety, control means have the various ways such as timing, induction, adaptive, Trunk Road Coordination, region control, and apply water
Put down it is irregular, in order to reasonably control management traffic lights, need to the application effects of traffic lights and adaptability into
Row assessment verifying；Since China lacks unified traffic signalization performance evaluation specification, Evaluation: Current intersection signal
The reasonability of management is mainly started with by the jam situation manually to each intersection and is observed, from each crossing
Vehicle queue situation, the vehicle number that passes through of each green light angularly the signal management situation of intersection is judged,
But the method that the method used is all artificial subjective judgement carries out, and lacks reasonable general quantitative analysis method, so that
Unified evaluation system can not be established, the traffic signals of intersection are carried out with the control management of unified science.
Summary of the invention
Subjective judgement is mainly used in order to solve the reasonability of the signal management of Evaluation: Current intersection, lacks quantization
The problem of analysis, the present invention provide a kind of road traffic signal single-point control Benefit Evaluation Method, are capable of providing the number of quantization
According to the control benefit of objective appraisal intersection signal.
The technical scheme is that such: a kind of road traffic signal single-point control Benefit Evaluation Method comprising
Following steps:
S1: it is determined to the index of characterization intersection traffic noise prediction；
It is characterized by: it further includes following steps:
S2: the calculation formula of each index of confirmation, and calculate the single index value of the index；
S3: single index value described according to the actual situation controls benefit to the traffic signals single-point of single intersection
It influences, establishes the corresponding relationship of the value range of the single index value value range and single-point control performance evaluation index；
S4: it is imitated based on single index value value range described in the single index value and step S3 and single-point control
The corresponding relationship of the value range of beneficial assessment index calculates the corresponding single-point control benefit by linear interpolation method and comments
Estimate index；The calculation formula of the single-point control performance evaluation index are as follows:
In formula:
J: value range is positive integer, represents j-th of index determined in step sl,
pj: the single-point that j-th of index is calculated controls performance evaluation index, retains decimal point one,
xj: j-th of index calculated corresponding single index value in step s 2,
xjl: in step s3, the lower threshold of value range belonging to the single index value of j-th of index,
xj2: in step s3, the upper limit threshold of value range belonging to the single index value of j-th of index,
yj1: in step s3, the lower threshold of the value range of the corresponding single-point control performance evaluation index of j-th of index,
yj2: in step s3, the upper limit threshold of the value range of the corresponding single-point control performance evaluation index of j-th of index；
S5: it is different for the emphasis in different traffic slot evaluation traffic signals single-point control benefits, when to different traffic
The different weight of the items setup measures of section；Based on every single-point control performance evaluation index and corresponding institute
Weight is stated, the corresponding control benefit composite index of single intersection being evaluated with calculated with weighted average method；
The calculation formula of the control benefit composite index are as follows:
In formula:
P: comprehensively control performance evaluation index is rounded according to " rounding up ",
J: value range is positive integer, represents j-th of the index determined in step sl,
pj: the single-point that j-th of index is calculated in step s 4 controls performance evaluation index,
wj: the corresponding weight of j-th of index,
N: the sum of determining index in step sl,
The calculated control benefit composite index, to the single intersection to the traffic slot control benefit into
Row assessment.
It is further characterized by:
It further includes step S6: determining corresponding control benefit grade according to the control benefit composite index, passes through the control
Benefit grade processed can more intuitively find out the application effect of single crossing；The control benefit grade classification be it is excellent, good,
In, qualified, poor five grades, the control benefit grade is corresponding with the value range of the comprehensively control performance evaluation index
Relationship is as follows:
When the control benefit composite index value is 100 ~ 85, the control benefit grade value is excellent；
When the control benefit composite index value is 84 ~ 75, the control benefit grade value is good；
When the control benefit composite index value is 74 ~ 55, during the control benefit grade value is；
When the control benefit composite index value is 54 ~ 45, the control benefit grade value is qualification；
When the control benefit composite index value is 44 ~ 0, the control benefit grade value is poor；
In the step S2:
The index includes crucial lane queue length, average traffic delay, green light utilization rate；
Crucial lane is the import lane to play a decisive role to entire intersection capacity and singnal configuration design；The key
The calculation method of the single index value of lane queue length is on the crucial lane with intersection all directions during red light
The average value of vehicle queue length indicates；
The calculation formula of the single index value of the key lane queue length is as follows:
In formula:
V: queue length (rice),
Vl: the cart quantity () of queuing,
Vs: the trolley quantity () of queuing,
: standard minibus average length (rice /)；
Traffic delay refers to that vehicle is influenced the additional travel time generated by intersection by signal control；The average driving
The calculation method of the single index value of delay be investigate the sum of all described traffic delay in the period with by investigation intersection
The ratio of vehicle fleet；
The calculation formula of the sum of the traffic delay are as follows:
The calculation formula of the single index value of the average traffic delay are as follows:
In formula:
: mean delay (second /),
I: value range is positive integer,
Di: i-th of investigation period corresponding total delay,
ti: i-th of investigation period (second),
VS,i: the vehicle number () of stagnation of movement in i-th of investigation period,
VR,i: the vehicle number () of non-stagnation of movement in i-th of investigation period；
Green light during referring to signalized crossing green light using the time each entrance driveway have time of the vehicle by stop line；Institute
The calculation method for stating the single index value of green light utilization rate is ratio of the green light using the sum of time with total long green light time；
The green light utilizes the calculation formula of time are as follows:
The calculation formula of the single index value of the green light utilization rate are as follows:
In formula:
WR: green light utilization rate,
I: value range is positive integer,
Ga,i: the green light in i-th of investigation period utilizes time (second),
Gi: signal timing dial green time (second),
hsi: when green light opens bright in i-th of investigation period, 3-5 vehicle average headway before clearance direction (second /),
Vi: the vehicle number () passed through in i-th of investigation period；
In the step S3, the single index value value range and the single-point control performance evaluation index value range
Corresponding relationship, as follows:
The key lane queue length value<30 or the average traffic delay value<10 or the green light utilization rate value>
When 90, corresponding single-point control performance evaluation index value is all [90,100]；
The key lane queue length value [30,48) or the average traffic delay value [10,20) or the green light
Utilization rate value [80,90) when, corresponding single-point control performance evaluation index value be all [80,90)；
The key lane queue length value [48,60) or the average traffic delay value [20,35) or the green light
Utilization rate value [70,80) when, corresponding single-point control performance evaluation index value be all [60,80)；
The key lane queue length value [60,90) or the average traffic delay value [35,55) or the green light
Utilization rate value [50,70) when, corresponding single-point control performance evaluation index value be all [40,60)；
The key lane queue length value >=90 or described average traffic delay values >=55 or the green light utilization rate take
When value≤50, corresponding single-point control performance evaluation index value be all [0,40)；
In the step S5, the traffic slot includes peak period, flat peak phase；The weight is corresponding with every index
Relationship is as follows:
The key lane queue length, in the peak period, the corresponding weight is 0.56；
The key lane queue length is 0.11 in flat peak phase corresponding weight；
The average traffic delay, in the peak period, the corresponding weight is 0.33；
The average traffic delay is 0.56 in flat peak phase corresponding weight；
The green light utilization rate, in the peak period, the corresponding weight is 0.11；
The green light utilization rate is 0.33 in flat peak phase corresponding weight.
The index that intersection operation conditions can be characterized in technical solution of the present invention by setting, respectively to index
It carries out quantum chemical method and obtains the control benefit composite index for single crossing, realize the signal control to single crossing
The evaluation that reasonability is quantified can be used control benefit composite index and carry out cross to the signal control effect of intersection
To or longitudinal comparison, it is as a result objective, clear；The index key lane queue length of setting, average traffic delay, green light benefit
With rate, it can be readily appreciated that calculating simple, the signal control effect for being demonstrated by single crossing comprehensively quantified from three angles；
When weight is set, not only different Index areas is set up separately and is set, and different periods on the same day are also distinguished, drawn
The peak period peace peak phase is divided, further signal control effect that is careful and comprehensively having quantified single crossing makes this
Method has more versatility.
Detailed description of the invention
Fig. 1 is the flow diagram that road traffic signal single-point of the invention controls Benefit Evaluation Method.
Specific embodiment
As shown in Figure 1, the technical scheme is that such comprising the following steps.
S1: can characterize the index of correlation of road traffic operation conditions by comprehensive analysis, according to objectivity, practicability,
The principles such as operability are determined to the index of characterization intersection management condition.
S2: confirm the calculation formula of index and the single index value of parameter；For characterizing road traffic operation conditions
Index include crucial lane queue length, average traffic delay, green light utilization rate；
Crucial lane is the import lane to play a decisive role to entire intersection capacity and singnal configuration design；Crucial lane
The calculation method of the single index value of queue length is the key that with vehicle queue on intersection all directions lane during red light
The average value of length indicates；
The calculation formula of the single index value of crucial lane queue length is as follows:
In formula:
V: queue length (rice),
Vl: the cart quantity () of queuing,
Vs: the trolley quantity () of queuing,
: standard minibus average length (rice /)；
Traffic delay refers to that vehicle is influenced the additional travel time generated by intersection by signal control；Average traffic delay
Single index value calculation method be investigate the sum of all traffic delay in the period with it is total by the vehicle flowrate of investigation intersection
Several ratio；
The calculation formula of the sum of traffic delay are as follows:
The calculation formula of the single index value of average traffic delay are as follows:
In formula:
: mean delay (second /),
I: value range is positive integer,
Di: i-th of investigation period corresponding total delay,
ti: i-th of investigation period (second),
VS,i: the vehicle number () of stagnation of movement in i-th of investigation period,
VR,i: the vehicle number () of non-stagnation of movement in i-th of investigation period；
Green light during referring to signalized crossing green light using the time each entrance driveway have time of the vehicle by stop line；It is green
The calculation method of the single index value of lamp utilization rate is ratio of the green light using the sum of time with total long green light time；
Green light utilizes the calculation formula of time are as follows:
The calculation formula of the single index value of green light utilization rate are as follows:
In formula:
WR: green light utilization rate,
I: value range is positive integer,
Ga,i: the green light in i-th of investigation period utilizes time (second),
Gi: signal timing dial green time (second),
hsi: when green light opens bright in i-th of investigation period, 3-5 vehicle average headway before clearance direction (second /),
Vi: the vehicle number () passed through in i-th of investigation period.
S3: practice analysis and simulating, verifying are carried out by selection different type city, different grades of intersection, obtained
Single index value is taken to establish single index value value to the influence of the traffic signals single-point control benefit of single intersection
The corresponding relationship of range and the value range of single-point control performance evaluation index, as shown in table 1 below:
The corresponding relationship of 1 single index value value range of table and the value range of single-point control performance evaluation index
The corresponding relationship of the single index value that is indicated using in above-mentioned table 1 and single-point control performance evaluation index is as subsequent calculating
Basis.
S4: it is controlled based on the single index value value range and single-point recorded in table 1 in single index value and step S3
The corresponding relationship of the value range of performance evaluation index calculates corresponding single-point by linear interpolation method and controls performance evaluation
Index；The calculation formula of single-point control performance evaluation index are as follows:
In formula:
J: value range is positive integer, represents j-th of index determined in step sl,
pj: the single-point that j-th of index is calculated controls performance evaluation index, retains decimal point one,
xj: j-th of index calculated corresponding single index value in step s 2,
xjl: in step s3, the lower threshold of value range belonging to the single index value of j-th of index,
xj2: in step s3, the upper limit threshold of value range belonging to the single index value of j-th of index,
yj1: in step s3, the lower threshold of the value range of the corresponding single-point control performance evaluation index of j-th of index,
yj2: in step s3, the upper limit threshold of the value range of the corresponding single-point control performance evaluation index of j-th of index.
S5: for the different periods of traffic, the emphasis for evaluating traffic signals single-point control benefit is different, to different traffic
Different weights is arranged in the indices of period；Using the superiority chart in expert point rating method, different periods indices are established
Weight, as shown in table 2 below:
The weight table of the indices of 2 different periods of table
Performance evaluation index and corresponding weight are controlled based on every single-point, is evaluated out with calculated with weighted average method
The corresponding control benefit composite index of single crossing；Control the calculation formula of benefit composite index are as follows:
In formula:
P: comprehensively control performance evaluation index is rounded according to " rounding up ",
J: value range is positive integer, represents j-th of the index determined in step sl,
pj: j-th of index comments the single-point being calculated to control performance evaluation index,
wj: the corresponding weight of j-th of index,
N: the sum of determining index in step sl,
Calculated control benefit composite index, to commenting the control benefit of single crossing to the traffic slot
Estimate.
S6: corresponding control benefit grade is determined according to control benefit composite index, according to " urban traffic management is commented
Valence index system ", control benefit grade classification be it is excellent, good, in, qualified, poor five grades, control benefit grade and comprehensively control
The corresponding relationship of performance evaluation index is as shown in table 3 below:
The mapping table of table 3 control benefit grade and comprehensively control performance evaluation index
Setting by controlling benefit grade can make gauger more intuitively find out what the signal of single intersection controlled
Effect.
Some intersection is selected, measures finger of this intersection before and after implementing actuated signal control technology respectively
Mark, single index include crucial lane queue length, average traffic delay, green light utilization rate, are controlled using single-point of the invention
The control vehicle benefits situation before and after actuated signal control technology is implemented in Benefit Evaluation Method, evaluation.
Firstly, using front and back peak, the intersection traffic video image of flat peak period is applied under the camera record of crossing；Point
Video record is analysed, and passes through indices data needed for calculating acquisition control benefit evaluation, including each importer in intersection
Queue length, green light utilization rate, the vehicle delay in upward lane, indices data capture method are as follows:
Crucial lane queue length: the cart and trolley number being lined up during the red light of crucial lane are recorded, according to standard " road traffic
Traffic investigation " conversion factor of cart and turning vehicle in (GA/T 299-2001), the standard passenger car equivalence of being converted into carries out tired
Add acquisition；
Average traffic delay: non-stopped vehicle number, stopped vehicle number, the stopped vehicle of record crossing all directions entrance driveway wait
Time obtains average traffic delay with total stopped vehicle time divided by total vehicle number；
Green light utilization rate: the average headway of clearance direction the 3-5 vehicle of entrance driveway is corresponded to when record green light, obtains green light
Using the time, with total green light using the time divided by total green time.
Three indexs are calculated separately after peak, the single index value of flat peak period, obtain data as shown in Table 4 below
Table 4 implements every single index value before and after actuated signal control technology
Benefit is controlled based on the single index value in above-mentioned table 4 and the single index value value range in above-mentioned table 1 and single-point
The corresponding relationship of the value range of assessment index calculates separately out list corresponding to each single index by linear interpolation method
Point control performance evaluation index；Then, based on the corresponding weight of each single index in above-mentioned table 2, with weighted mean method
Is obtained by comprehensively control performance evaluation and is referred in peak, the control benefit of flat peak period progress COMPREHENSIVE CALCULATING respectively for intersection
Number；Corresponding relationship finally based on control benefit grade and comprehensively control performance evaluation index in above-mentioned table 3, obtains such as following table
Shown in 5, the control benefit grade for implementing each traffic slot before and after actuated signal control technology is commented with comprehensively control benefit
Estimate the value of index；
Table 5 implements the control benefit grade of each period before and after actuated signal control technology
The intersection before and after the application induction control technology of each traffic slot can be intuitively obtained from last column of table 5
Control benefit.
Analyze as can be seen that after application induction control technology from the particular content of above-mentioned table 5, the whole of intersection is controlled
Benefit processed has a more substantial increase, wherein the flat peak phase improves 35%, peak period improves 30%, and flat peak phase use feeling should control
Effect more preferably than peak period, measurement result is consistent with actual effect；Expert analysis mode is used in technical solution of the present invention
Superiority chart in method establishes different periods indices weight, goes out evaluated single crossing with calculated with weighted average method
Corresponding control benefit composite index calculates corresponding single-point control performance evaluation index by linear interpolation method, makes this
The technical solution of invention has the theoretical basis of science, and should be readily appreciated that and be suitable for the application of；It obtains according to the technical solution of the present invention
Evaluation result it is objective, clear, realize and comment what the reasonability of the signal of single intersection control benefit was quantified
Valence；It can establish unified evaluation system according to the technical solution of the present invention, the traffic signals of intersection unified
The control management of science.
Claims (8)
1. a kind of road traffic signal single-point controls Benefit Evaluation Method comprising following steps:
S1: it is determined to the index of characterization intersection traffic noise prediction；
It is characterized by:
It further includes following steps:
S2: the calculation formula of each index of confirmation, and calculate the single index value of the index；
S3: single index value described according to the actual situation controls benefit to the traffic signals single-point of single intersection
It influences, establishes the corresponding relationship of the value range of the single index value value range and single-point control performance evaluation index；
S4: it is imitated based on single index value value range described in the single index value and step S3 and single-point control
The corresponding relationship of the value range of beneficial assessment index calculates the corresponding single-point control benefit by linear interpolation method and comments
Estimate index；The calculation formula of the single-point control performance evaluation index are as follows:
In formula:
J: value range is positive integer, represents j-th of index determined in step sl,
pj: the single-point that j-th of index is calculated controls performance evaluation index, retains decimal point one,
xj: j-th of index calculated corresponding single index value in step s 2,
xjl: in step s3, the lower threshold of value range belonging to the single index value of j-th of index,
xj2: in step s3, the upper limit threshold of value range belonging to the single index value of j-th of index,
yj1: in step s3, the lower threshold of the value range of the corresponding single-point control performance evaluation index of j-th of index,
yj2: in step s3, the upper limit threshold of the value range of the corresponding single-point control performance evaluation index of j-th of index；
S5: it is different for the emphasis in different traffic slot evaluation traffic signals single-point control benefits, when to different traffic
The different weight of the items setup measures of section；Based on every single-point control performance evaluation index and corresponding institute
Weight is stated, the corresponding control benefit composite index of single intersection being evaluated with calculated with weighted average method；
In formula:
P: comprehensively control performance evaluation index is rounded according to " rounding up ",
J: value range is positive integer, represents j-th of the index determined in step sl,
pj: the single-point that j-th of index is calculated in step s 4 controls performance evaluation index,
wj: the corresponding weight of j-th of index,
N: the sum of determining index in step sl,
The calculated control benefit composite index, to the single intersection to the traffic slot control benefit into
Row assessment.
2. a kind of road traffic signal single-point controls Benefit Evaluation Method according to claim 1, it is characterised in that: it is also wrapped
It includes step S6: determining corresponding control benefit grade according to the control benefit composite index, pass through the control benefit grade
It can more intuitively find out the application effect of single crossing；The control benefit grade classification be it is excellent, good, in, it is qualified, poor five
A grade, the control benefit grade and the corresponding relationship of the value range of the comprehensively control performance evaluation index are as follows:
When the control benefit composite index value is 100 ~ 85, the control benefit grade value is excellent；
When the control benefit composite index value is 84 ~ 75, the control benefit grade value is good；
When the control benefit composite index value is 74 ~ 55, during the control benefit grade value is；
When the control benefit composite index value is 54 ~ 45, the control benefit grade value is qualification；
When the control benefit composite index value is 44 ~ 0, the control benefit grade value is poor.
3. a kind of road traffic signal single-point controls Benefit Evaluation Method according to claim 1, it is characterised in that: described
In step S2: the index includes crucial lane queue length, average traffic delay, green light utilization rate.
4. a kind of road traffic signal single-point controls Benefit Evaluation Method according to claim 3, it is characterised in that: crucial vehicle
Road is the import lane to play a decisive role to entire intersection capacity and singnal configuration design；The key lane is lined up length
The calculation method of the single index value of degree is that vehicle queue is long on the crucial lane with intersection all directions during red light
The average value of degree indicates；
The calculation formula of the single index value of the key lane queue length is as follows:
In formula:
V: queue length (rice),
Vl: the cart quantity () of queuing,
Vs: the trolley quantity () of queuing,
: standard minibus average length (rice /).
5. a kind of road traffic signal single-point controls Benefit Evaluation Method according to claim 3, it is characterised in that: driving is prolonged
Accidentally refer to that vehicle is influenced the additional travel time generated by intersection by signal control；The individual event of the average traffic delay
The calculation method of index value is the sum of all described traffic delay in the investigation period and the vehicle fleet for being investigated intersection
Ratio；
The calculation formula of the sum of the traffic delay are as follows:
The calculation formula of the single index value of the average traffic delay are as follows:
In formula:
: mean delay (second /),
I: value range is positive integer,
Di: i-th of investigation period corresponding total delay,
ti: i-th of investigation period (second),
VS,i: the vehicle number () of stagnation of movement in i-th of investigation period,
VR,i: the vehicle number () of non-stagnation of movement in i-th of investigation period.
6. a kind of road traffic signal single-point controls Benefit Evaluation Method according to claim 3, it is characterised in that: green light benefit
Each entrance driveway has time of the vehicle by stop line during referring to signalized crossing green light with the time；The green light utilizes
The calculation method of the single index value of rate is ratio of the green light using the sum of time with total long green light time；
The green light utilizes the calculation formula of time are as follows:
The calculation formula of the single index value of the green light utilization rate are as follows:
In formula:
WR: green light utilization rate,
I: value range is positive integer,
Ga,i: the green light in i-th of investigation period utilizes time (second),
Gi: signal timing dial green time (second),
hsi: when green light opens bright in i-th of investigation period, 3-5 vehicle average headway before clearance direction (second /),
Vi: the vehicle number () passed through in i-th of investigation period.
7. a kind of road traffic signal single-point controls Benefit Evaluation Method according to claim 1, it is characterised in that: described
In step S3, the corresponding relationship of the single index value value range and single-point control performance evaluation index value range,
It is as follows:
The key lane queue length value<30 or the average traffic delay value<10 or the green light utilization rate value>
When 90, corresponding single-point control performance evaluation index value is all [90,100]；
The key lane queue length value [30,48) or the average traffic delay value [10,20) or the green light
Utilization rate value [80,90) when, corresponding single-point control performance evaluation index value be all [80,90)；
The key lane queue length value [48,60) or the average traffic delay value [20,35) or the green light
Utilization rate value [70,80) when, corresponding single-point control performance evaluation index value be all [60,80)；
The key lane queue length value [60,90) or the average traffic delay value [35,55) or the green light
Utilization rate value [50,70) when, corresponding single-point control performance evaluation index value be all [40,60)；
The key lane queue length value >=90 or described average traffic delay values >=55 or the green light utilization rate take
When value≤50, corresponding single-point control performance evaluation index value be all [0,40).
8. a kind of road traffic signal single-point controls Benefit Evaluation Method according to claim 1, it is characterised in that: described
In step S5, the traffic slot includes peak period, flat peak phase；The corresponding relationship of the weight and every index is as follows:
The key lane queue length, in the peak period, the corresponding weight is 0.56；
The key lane queue length is 0.11 in flat peak phase corresponding weight；
The average traffic delay, in the peak period, the corresponding weight is 0.33；
The average traffic delay is 0.56 in flat peak phase corresponding weight；
The green light utilization rate, in the peak period, the corresponding weight is 0.11；
The green light utilization rate is 0.33 in flat peak phase corresponding weight.
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