One-way traffic organization method in narrow road dense network environment based on simulation iteration

Abstract

This invention discloses a one-way traffic organization method based on simulation iteration in a narrow road network environment, belonging to the technical field of calculation, estimation, or counting. The method includes the following steps: First, conduct a traffic survey to collect basic traffic data for the proposed implementation area; second, based on the index requirements of the narrow road network characteristics, determine whether the road network of the proposed implementation area conforms to the narrow road network characteristics; then, construct a one-way traffic organization design model under a narrow road network environment and propose a preliminary one-way traffic organization scheme; finally, verify the feasibility of the scheme through simulation iteration and gradually optimize it to obtain the final scheme. This invention is applicable to one-way traffic organization on urban roads with narrow road network characteristics, helping to improve urban traffic management and alleviate urban traffic congestion.

Description

Technical Field

[0001] This invention relates to urban traffic organization and planning technology, specifically disclosing a one-way traffic organization method based on simulation iteration in a narrow road and dense network environment, belonging to the technical field of calculation, estimation, or counting. Background Technology

[0002] With the acceleration of urbanization and rapid economic development in my country, the number of cars owned has been increasing year by year. The growing contradiction between traffic demand and road capacity is becoming increasingly prominent, seriously hindering urban economic and social development. Therefore, solving traffic congestion is not only a prerequisite for ensuring the coordinated development of urban transportation systems, but also a key to promoting rapid socio-economic development.

[0003] The theoretical basis of traffic congestion is the problem of balancing traffic supply and demand. Due to limited land resources, blindly building and widening roads to simply increase supply to meet traffic demand cannot fundamentally solve this problem. Therefore, we need to change the supply model by increasing road network density to effectively improve its capacity. Narrow roads with dense networks, as an emerging urban road layout concept, are expected to alleviate nodal traffic congestion caused by wide roads with sparse networks, offering high accessibility and connectivity. One-way traffic organization, as an economical and effective traffic management method, has a remarkable effect on balancing traffic flow distribution and improving the overall efficiency of the road network.

[0004] In a narrow-road, dense-network environment, the narrow road segment width, small road segment spacing, and numerous branch roads facilitate the design and implementation of one-way traffic organization and mitigate the negative impact of increased detour distances caused by one-way traffic. Therefore, it is necessary to fully consider the advantages and disadvantages of narrow-road, dense-network conditions and one-way traffic organization to propose the optimal one-way traffic organization scheme for such environments in order to improve road network efficiency. Currently, domestic research on one-way traffic organization has a certain foundation, but theoretical research on narrow-road, dense-network conditions is still in its initial stages. Studies focus primarily on road network characteristic indicators and network capacity under these conditions, lacking applied research on traffic organization within such environments, and even more so, research considering the mutual optimization between narrow-road, dense-network characteristics and one-way traffic organization. Existing research on one-way traffic organization schemes is mostly based on subjective human experience and traffic survey results. It lacks a systematic consideration of the principles of one-way traffic organization and the design process and technical methods for one-way traffic organization under the characteristics of narrow roads and dense networks. Furthermore, it lacks quantitative analysis of the implementation effect, especially the quantitative analysis of the combination of multiple transportation modes, and lacks further optimization of the proposed schemes. It is difficult to judge whether the implementation effect has achieved the expected goal, resulting in the schemes remaining at the theoretical stage.

[0005] In summary, the present invention aims to propose a one-way traffic organization method based on simulation iteration in a narrow road dense network environment to overcome the above-mentioned defects. Summary of the Invention

[0006] The purpose of this invention is to address the shortcomings of the aforementioned background technology by providing a one-way traffic organization method based on simulation iteration in a narrow road and dense network environment. This method solves the technical problem that existing one-way traffic organization schemes are mostly formulated based on subjective human experience and do not consider the optimization effect of narrow road and dense network characteristics on one-way traffic organization schemes. The invention aims to improve traffic efficiency and road network utilization in narrow road and dense network environments by designing one-way traffic organization.

[0007] To achieve the above-mentioned objectives, the present invention employs the following technical solution:

[0008] A one-way traffic organization method based on simulation iteration in a narrow road dense network environment includes steps 1 to 5.

[0009] Step 1: Conduct a traffic status survey of the proposed implementation area, collect basic traffic data, and calculate traffic indicators based on the basic traffic data.

[0010] The survey included a traffic status quo investigation of the proposed implementation area. The collected basic traffic data specifically included: existing and planned land use GIS maps, road network CAD maps, public transport network CAD maps, traffic zone CAD maps, traffic zone population data, daily total traffic volume for each road segment, and daily peak hour traffic volume. Based on this basic traffic data, traffic indicators were calculated: road network density ρ, all-day road segment traffic flow ratio F, and peak hour road segment traffic flow ratio F0. p .

[0011] The proposed regional road network CAD map specifically includes: total land area S, total road length L, road mileage at all levels, total number of road segments N, road attributes of each segment, and road segment spacing d between each pair of roads. The road mileage at all levels includes: expressway mileage l. f Main road mileage l a Secondary trunk road mileage l s Branch road mileage l b The road attributes for each section include: road name, road type, road length l, number of one-way motor vehicle lanes n, road red line width w, whether it has a dedicated bus lane, and motor vehicle traffic capacity C.

[0012] Step 2: Determine the index requirements for the narrow road and dense network characteristics to determine whether the road network in the proposed implementation area meets the narrow road and dense network characteristics. If it does, continue with the subsequent steps; otherwise, one-way traffic organization will not be implemented. The specific steps include the following:

[0013] Step 2.1, from the perspective of the overall road network results, the following basic conditions need to be met:

[0014]

[0015] Step 2.2: Under the conditions of Step 2.1, if the number of two-way traffic road segments in the proposed implementation area that meet the following indicators is not less than 80% of the total number of road segments, then the road network can be determined to have the characteristics of a narrow road and dense network; the road segment indicator requirements are as follows:

[0016]

[0017] Step 3: Construct a one-way traffic organization design model for a narrow road network environment, and propose a preliminary one-way traffic organization scheme based on the model. This includes the following steps:

[0018] Step 3.1: Determine whether the road network of the proposed implementation area meets the basic design conditions for one-way traffic organization in a narrow road and dense road network environment. If the proposed implementation area does not meet the conditions, one-way traffic organization will not be implemented. The determination conditions are as follows:

[0019] ρ≥12km / km 2 ;

[0020] Step 3.2: Determine whether a road segment in the proposed implementation area can be designed as a one-way street. If the road segment meets the following conditions, it will be considered as a candidate for one-way street design; otherwise, one-way traffic organization will not be implemented. The specific conditions for determination include:

[0021] (1) The traffic flow ratio of the road segment must meet one of the following conditions:

[0022] ① F≥1.5;

[0023] ②If n=1,2,F p ≥2;

[0024] ③ If n = 3, F p ≥3;

[0025] (2) The road section is not a main road for external traffic or a bus lane;

[0026] Step 3.3, Design of one-way traffic organization in a narrow road network environment, the specific steps are as follows:

[0027] Step 3.3.1: Designate a branch road or secondary road perpendicular to the main road as a main one-way road. Set the one-way direction of the main one-way road as the main traffic flow direction of the road segment. Set the opposite road segments on both sides of the main one-way road as one-way roads in the opposite direction.

[0028] Step 3.3.2: Set the branch roads perpendicular to the main one-way streets in step 3.3.1) as one-way streets, and the length of the main one-way streets and the one-way streets should be greater than 50m. After the main one-way streets and the one-way streets are set up, they should form a counterclockwise loop road network.

[0029] Step 4: Verify the feasibility of the proposed solution in Step 3 through simulation, and optimize it step by step, as follows:

[0030] Step 4.1, construct the simulation environment, which specifically includes: drawing the traffic network on the simulation software, including setting nodes, road segments, road attributes, public transportation, traffic zones, and the number of permanent residents;

[0031] Step 4.2: Based on the scheme proposed in Step 3, set up one-way streets and one-way directions;

[0032] Step 4.3: Based on the simulation results, establish a simulation evaluation index system for the scheme, specifically including:

[0033] (1) Evaluation of road network operation efficiency, specifically including:

[0034] ①Saturation P of each road section 1i The average saturation P2 of the road section is calculated using the following formula:

[0035]

[0036]

[0037] Among them, Q i Traffic volume representing segment i (standard vehicle equivalents / hour), C i The actual traffic capacity of lane group i on road segment (standard vehicle equivalents / hour), l i Represents the length (in kilometers) of road segment i;

[0038] ②The average travel speed P3 of the road network is calculated using the following formula:

[0039]

[0040] Among them, t i Let y be the average travel time (in hours) for road segment i. i The average delay time (in hours) at the intersection approach lane downstream of road segment i;

[0041] (2) Evaluation of urban residents' travel efficiency, specifically including:

[0042] ①The average trip distance P4 across all modes of transportation is calculated using the following formula:

[0043]

[0044] Among them, L p Q represents the total passenger turnover (passengers per kilometer). p Total passenger volume (person-trips) across all modes of transportation;

[0045] ②The average trip time P5 across all modes of transportation is calculated using the following formula:

[0046]

[0047] Among them, T p Q represents the total travel time (person-hours) for all modes of transportation. p This represents the total number of trips (person-trips) across all modes of transportation.

[0048] Step 4.4: Compare and analyze the simulation effects before and after setting up one-way traffic organization in a narrow road and dense network environment. If the simulation results of the one-way traffic organization scheme show that: after setting up one-way traffic organization, the values ​​of P2 and P5 decrease, the values ​​of P3 and P4 increase, and the increase of P4 value does not exceed 10%, then it indicates that the designed one-way traffic organization scheme is feasible, and proceed to step 4.5; otherwise, return to step 3.

[0049] Step 4.5: Optimize the one-way traffic organization scheme using simulation software. Sort the saturation levels of each road segment in the simulation results, and modify the road segment with the highest saturation. The initial improvement methods specifically include:

[0050] (1) If the road segment is a main road, the road segment perpendicular to the main traffic flow entrance of the road segment will be modified into a one-way street, with the initial direction from outside the city to inside the city, and the opposite road segments on both sides of the road segment will be changed to the opposite direction.

[0051] (2) If the road section is a secondary trunk road or a branch road and is a two-way road, the road section shall be set as a one-way road, with the one-way direction being the direction with higher traffic volume, and the adjacent roads on both sides of the road section shall be set as one-way roads in the opposite direction.

[0052] (3) If the road segment has been set as a one-way road and the one-way direction is consistent with the main traffic flow direction of the road segment, then the improvement method is the same as (1);

[0053] (4) If the road segment has been set as a one-way road and the one-way direction is inconsistent with the main traffic flow direction of the road segment, then change the one-way direction of the road segment to be consistent with the main traffic flow direction.

[0054] Step 5: After obtaining the optimized scheme from Step 4.5, if the difference between the evaluation indicators of the previous and subsequent one-way traffic organization schemes does not exceed 5%, the final scheme of one-way traffic organization under the narrow road and dense network environment is obtained; otherwise, return to Step 4.5.

[0055] An electronic device includes a memory and a processor, the memory storing a computer program that runs on the processor, the processor executing the steps of the one-way traffic organization method described above when running the computer program.

[0056] A computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed, performs the steps of the one-way traffic organization method described above.

[0057] The present invention, by adopting the above technical solution, has the following beneficial effects:

[0058] (1) This invention fully analyzes the characteristics of narrow roads and dense networks and the design conditions for one-way traffic organization. Combining the characteristic indicators of narrow roads and dense networks, it establishes a scientific and objective one-way traffic organization design method system under the narrow road and dense network environment. Through simulation, it quantitatively analyzes the rationality of one-way traffic organization schemes, reduces the subjectivity of one-way traffic organization scheme design, and has important significance for urban traffic operation management. It establishes a scheme simulation index system, uses simulation software to evaluate the scheme design effect, and gradually optimizes the scheme until the optimal scheme is obtained.

[0059] (2) Regarding the quantitative analysis of the scheme, this invention proposes four quantitative indicators based on simulation software: average saturation of road segments, average travel speed of the road network, average travel distance of all modes, and travel time. From the perspectives of road operation efficiency and residents' travel efficiency, this invention provides a more objective evaluation of the feasibility of one-way traffic organization in a narrow road and dense network environment, and can be used as the termination condition for subsequent iterative optimization of the scheme. Regarding the optimization of the scheme, this invention optimizes and improves the road segments with the highest saturation, and proposes four improvement methods under different conditions. This comprehensively considers various situations of the optimized road segments, making the optimization method more reasonable and complete. Attached Figure Description

[0060] Figure 1 This is a flowchart of the method of the present invention.

[0061] Figure 2 This is a diagram illustrating the one-way traffic organization design process in a narrow road network environment, as described in this invention example.

[0062] Figure 3 This is a preliminary diagram of a one-way traffic organization scheme in a narrow road and dense network environment, which is an example area of ​​the present invention.

[0063] Figure 4 This is a diagram of the final one-way traffic organization scheme in a narrow road network environment, which is an example area of ​​the present invention. Detailed Implementation

[0064] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. These embodiments are merely illustrative and explanatory of the present invention and are not intended to limit the invention in any other way. Any modifications or equivalent variations made based on the technical essence of the present invention shall still fall within the scope of protection claimed by the present invention.

[0065] This embodiment uses the central area of ​​a prefecture-level city as the research area. The method flowchart is shown below. Figure 1 It mainly includes the following five steps:

[0066] (1) Collect basic traffic data of urban road network in the area, including current and planned land use GIS map, road network CAD map, public transport network CAD map, traffic community CAD map, population data of each traffic community, total daily traffic flow and peak hour traffic flow of each road section. Some data are shown in Table 1 and Table 2.

[0067] Table 1 Road Attributes of the Study Area

[0068]

[0069] Table 2 Peak hour traffic flow in Rongdong area

[0070]

[0071]

[0072] (2) The road network density ρ can be calculated to be 12.75 km / km based on the collected data. 2 The total road length L is 129km, of which, l f For 9km, l a For 24km, l s For 28km, l b It is 68km, l s l b The percentages were 21.7% and 52.71%, respectively.

[0073]

[0074] In addition, the total number of road segments N in the area is 58, of which 58 are two-way road segments that meet the following criteria, accounting for 100% and no less than 80% of the total number of road segments.

[0075]

[0076] This indicates that the roads in this area are characterized by narrow roads and dense road networks, and one-way traffic organization can be implemented in this area.

[0077] (3) Based on the collected data, the road density (ρ) in this area can be calculated to be 12.75 km / km. 2 It meets the basic design conditions for one-way traffic organization in a narrow road and dense network environment, namely ρ=12.75>12km / km 2 Therefore, it is able to organize one-way traffic;

[0078] Next, we will select road segments that meet the following conditions from all road segments. Some data are shown in Tables 3 and 4. We will only design one-way streets for these road segments in the future.

[0079] (1) The traffic flow ratio of the road segment must meet one of the following conditions:

[0080] ① F≥1.5;

[0081] ②If n=1,2,F p ≥2;

[0082] ③ If n = 3, F p ≥3;

[0083] (2) The road section is not a main road for external traffic or a bus lane.

[0084] Table 3. Daily Traffic Flow Ratio of the Study Area

[0085]

[0086] Table 4. Peak hour traffic flow ratio in the study area

[0087]

[0088] In this study area, the process of setting up one-way streets is as follows: Figure 2 As shown, Ping'an Avenue, Donghu Avenue, and Jianshe Avenue are the main arteries. Based on the selected road sections that meet the conditions for setting up one-way streets, Wenhua East Road and Ping'an East Road, perpendicular to Donghu Avenue, are designated as the main one-way streets, with the one-way direction being the main traffic flow direction of that road section. Next, based on the one-way direction of Wenhua East Road, the adjacent Wenhua Road is designated as a one-way street with the opposite direction. The total length of the three one-way streets is approximately 750m, which is greater than 50m, thus meeting the requirements.

[0089] Next, based on the selected road sections that meet the criteria for one-way streets, Wenchang First Street (Ping'an Avenue - Jianshe Avenue), perpendicular to the three one-way streets mentioned above, will be designated as a one-way street, forming a counter-clockwise circular road network. The one-way street designation is as follows: Figure 3 As shown, a preliminary scheme for one-way traffic organization in the narrow road and dense network environment of this area is proposed based on the model.

[0090] (4) The TranStar simulation software was used to build a simulation environment to verify the feasibility of the preliminary scheme. The simulation evaluation results are shown in Table 5. According to the simulation evaluation results, after setting up one-way traffic organization, the values ​​of P2 and P5 decreased, while the values ​​of P3 and P4 increased. Moreover, the increase in the value of P4 did not exceed 10%, indicating that the designed one-way traffic organization scheme is feasible.

[0091] Table 5 Simulation Evaluation Table of One-Way and Two-Way Traffic Organization in the Study Area

[0092] Solution Name <![CDATA[P2]]> <![CDATA[P3]]> <![CDATA[P4]]> <![CDATA[P5]]> Two-way road network 9.42％ 34.95 2.55 22.1 One-way road network 9.24％ 35.72 2.56 21.9 ratio -0.85％ 2.20％ 3.92％ -0.90％

[0093] Based on the simulation results, the road segment with the highest saturation was selected for modification. In this example, Ping'an Avenue (Wenchang First Street - Donghu Avenue) has the highest saturation. This road segment is a main road. The optimization scheme is to set Donghu Road, which is parallel to this road segment, as a one-way street, with the one-way direction from the outside of the city to the inside of the city. The one-way street of Wenchang First Street is extended eastward to Donghu Road, forming a counterclockwise loop network. The optimized one-way traffic organization scheme is as follows: Figure 4 As shown.

[0094] The simulation evaluation of the optimized scheme is shown in Table 6.

[0095] Table 6 Simulation Evaluation Table of One-Way and Two-Way Traffic Organization in the Study Area

[0096] Solution Name <![CDATA[P2]]> <![CDATA[P3]]> <![CDATA[P4]]> <![CDATA[P5]]> Preliminary plan 9.24％ 35.72 2.56 21.9 Optimization plan 9.20％ 35.95 2.56 21.8 ratio -0.43％ 0.64％ 0.00％ -0.45％

[0097] (5) The simulation results show that the differences in the evaluation indicators of the one-way traffic organization schemes before and after are all less than 5%, so the final scheme of one-way traffic organization under narrow road and dense network environment is obtained.

[0098] The above specific implementation methods and embodiments are specific support for the technical concept of a one-way traffic organization method based on simulation iteration in a narrow road dense network environment proposed in this invention. They should not be used to limit the scope of protection of this invention. Any equivalent changes or modifications made based on the technical concept of this invention shall still fall within the scope of protection of this invention.

Claims

1. A one-way traffic organization method based on simulation iteration in a narrow road dense network environment, characterized in that, Includes the following steps: Step 1: Collect basic traffic data for the proposed implementation area and calculate traffic indicators based on the basic traffic data; Step 2: Determine the index requirements for the narrow road and dense network characteristics. Based on the index requirements for the narrow road and dense network characteristics, determine whether the road network of the proposed implementation area meets the narrow road and dense network characteristics. If it meets the narrow road and dense network characteristics, continue to the subsequent steps. If it does not meet the narrow road and dense network characteristics, one-way traffic organization will not be carried out. Step 3: Construct a one-way traffic organization design model for a narrow road network environment. Based on the one-way traffic organization design model, construct a preliminary one-way traffic organization scheme for a narrow road network environment, specifically as follows: Step 3.1: Determine whether the road network in the proposed implementation area meets the basic design conditions for one-way traffic organization in a narrow road and dense network environment. If the basic design conditions for one-way traffic organization are met, proceed to step 3.2; otherwise, one-way traffic organization will not be implemented. Step 3.2: For each road segment in the proposed implementation area, determine whether it meets the one-way street design conditions. Road segments that meet the one-way street design conditions are selected as candidate road segments for one-way street design. Road segments that do not meet the one-way street design conditions will not be subject to one-way traffic organization. The one-way street design conditions include: a first judgment condition and a second judgment condition. The first judgment condition is that the traffic flow direction ratio of the road segment meets at least one of the following conditions: , The ratio of traffic flow direction for the entire day. , The ratio of traffic flow direction during peak hours. ， The second criterion is that the road segment is neither a main external traffic artery nor a bus lane. Step 3.3: Designate the branch roads or secondary roads perpendicular to the main road as main one-way streets. The one-way direction of the main one-way streets is the main traffic flow direction of the branch roads or secondary roads. The opposite road sections on both sides of the main one-way streets are set as one-way streets in the opposite direction. Then, designate the branch roads perpendicular to the main one-way streets as one-way streets. The length of both the main one-way streets and the one-way streets is greater than 50m. After the one-way streets are set up, they form a counterclockwise loop road network with the main one-way streets. Step 4: Verify the feasibility of the preliminary one-way traffic organization scheme constructed in Step 3 through simulation, and optimize the preliminary one-way traffic organization scheme that meets the feasibility requirements. Step 5: If the performance of the preliminary one-way traffic organization scheme before and after optimization meets the threshold requirements, the optimized preliminary one-way traffic organization scheme is the final scheme; otherwise, the preliminary one-way traffic organization scheme is re-optimized.

2. The one-way traffic organization method based on simulation iteration in a narrow road dense network environment according to claim 1, characterized in that, The traffic infrastructure data collected in step 1 for the proposed implementation area includes: existing land use GIS map and planned land use GIS map, road network CAD map, public transport network CAD map, traffic zone CAD map, traffic zone population data, daily total traffic volume and daily peak hour traffic volume for each road segment; the road network CAD map includes: total land area Total road length Total mileage and number of road sections at all levels Road attributes of each road segment, and the distance between each pair of roads. Road mileage at all levels includes: expressway mileage Main road mileage Secondary trunk road mileage Branch road mileage The road attributes for each road segment include: road name, road type, and road segment length. Number of one-way motor vehicle lanes Road right-of-way width Does it have dedicated bus lanes and the capacity for motor vehicle traffic? .

3. The one-way traffic organization method based on simulation iteration in a narrow road dense network environment according to claim 2, characterized in that, The traffic indicators calculated in step 1 based on the traffic baseline data include: road network density. Traffic flow ratio of all road sections throughout the day Traffic flow ratio during peak hours .

4. The one-way traffic organization method based on simulation iteration in a narrow road dense network environment according to claim 3, characterized in that, The specific method for determining the index requirements for the narrow road dense network characteristics in step 2 is as follows: Step 2.1, in road network density Branch road mileage Secondary trunk road mileage Meets the narrow road and dense network characteristic index requirements of the overall road network Then proceed to step 2.2; Step 2.2, the area to be implemented meets the requirements If the number of two-way traffic sections required by this indicator is no less than 80% of the total number of road sections, then the road network can be judged to have the characteristics of narrow roads and dense network.

5. The one-way traffic organization method based on simulation iteration in a narrow road dense network environment according to claim 1, characterized in that, The specific method for step 4, which verifies the feasibility of the preliminary one-way traffic organization scheme constructed in step 3 through simulation, is as follows: Step 4.1, build the simulation environment; Step 4.2: Based on the preliminary one-way traffic organization plan constructed in Step 3, set up one-way streets and one-way directions; Step 4.3: Based on the simulation results, establish a simulation evaluation index system for the scheme. This system includes: road network operation efficiency evaluation index and urban resident travel efficiency evaluation index. The road network operation efficiency evaluation index includes: saturation of each road segment. Average saturation of road sections and average travel speed of the road network The evaluation indicators for urban residents' travel efficiency include: average travel distance across all modes of transportation. Average travel time across all modes of transportation ; Step 4.4: Compare the simulation results before and after setting up one-way traffic organization in a narrow road network environment. After setting up one-way traffic organization, the average saturation of the road segment... Average travel time across all modes of transportation The value decreased, and the average travel speed of the road network decreased. Average travel distance across all modes of transportation The value increases, and If the increase in value does not exceed 10%, the one-way traffic organization plan is feasible. Optimize the preliminary one-way traffic organization plan that meets the feasibility requirements. Otherwise, return to step 3.

6. The one-way traffic organization method based on simulation iteration in a narrow road dense network environment according to claim 5, characterized in that, , , , , ,in, For road section Traffic volume, For road section The actual traffic capacity of the lane group For road section Length, For road section Average travel time For road section Average delay time at downstream intersection approach lanes Total passenger turnover across all modes of transport. Total passenger volume across all modes of transport. This represents the total travel time for all modes of transportation and all trips.

7. The one-way traffic organization method based on simulation iteration in a narrow road dense network environment according to claim 6, characterized in that, The specific method for optimizing the preliminary one-way traffic organization plan that meets the feasibility requirements in step 4 is as follows: Modify the road segment with the highest saturation in the one-way traffic organization plan using simulation software. When the road segment with the highest saturation is a main road, the road segment perpendicular to the main traffic flow entrance of the road segment with the highest saturation is modified into a one-way street, with the initial direction from outside the city to inside the city. The opposite road segments on both sides of the road segment with the highest saturation are changed to the opposite direction. When the road segment with the highest saturation is a secondary trunk road or a branch road and is a two-way road, the road segment with the highest saturation will be set as a one-way road, with the one-way direction being the direction with higher traffic volume. At the same time, the adjacent roads on both sides of the road segment with the highest saturation will be set as one-way roads in the opposite direction. When the road segment with the highest saturation has been set as a one-way street, and the one-way direction is consistent with the main traffic flow direction of the road segment, the improvement method is the same as when the road segment with the highest saturation is a main road. If the road segment with the highest saturation has been set as a one-way street, and the one-way direction is inconsistent with the main traffic flow direction of that road segment, then the one-way direction of the road segment with the highest saturation will be changed to be consistent with the main traffic flow direction.

8. An electronic device comprising a memory and a processor, wherein the memory stores a computer program that runs on the processor, and the processor executes the steps of the one-way traffic organization method of claim 1 when running the computer program.

9. A computer-readable storage medium having a computer program stored thereon, the computer program executing the steps of the one-way traffic organization method of claim 1 when run.

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