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2022 ◽  
Vol 14 (2) ◽  
pp. 633
Author(s):  
Xianglong Sun ◽  
Sai Liu

Route deviation transit is a flexible “door-to-door” service method that combines the efficiency of conventional public transport modes and the flexibility of demand response modes, meeting the travel needs of people with low travel density and special groups. In this paper, the minimum value of the sum of vehicle operating cost and passenger travel cost was the optimal goal, and the RDT multi-vehicle operation scheduling model was constructed. Taking the available relaxation time as the control parameter of the RDT system and considering the insertion process of the random travel demand of the passengers during the operation process, we used a heuristic search algorithm to solve the scheduling model. This paper took Suburb No. 5 Road of Harbin as an example, using MATLAB to simulate the RDT operation scheduling model to verify the stability and feasibility of the RDT system under different demands. The results showed that under different demand conditions, the system indicators such as passenger travel time, waiting time, and vehicle mileage in the RDT system fluctuated very little, and the system performance was relatively stable. Under the same demand conditions, the per capita cost of the RDT system was 5.9% to 10.8% less than that of the conventional bus system. When the demand ρ is 20~40 person/hour, the RDT system is more effective than the conventional bus for the 5 bus in the suburbs of Harbin.


2022 ◽  
Vol 2022 ◽  
pp. 1-14
Author(s):  
Eun Hak Lee ◽  
Kyoungtae Kim ◽  
Seung-Young Kho ◽  
Dong-Kyu Kim ◽  
Shin-Hyung Cho

As the mode share of the subway in Seoul has increased, the estimation of passenger travel routes has become a crucial issue to identify the congestion sections in the subway network. This paper aims to estimate the travel train of subway passengers in Seoul. The alternative routes are generated based on the train log data. The travel route is then estimated by the empirical cumulative distribution functions (ECDFs) of access time, egress time, and transfer time. The train choice probability is estimated for alternative train combinations and the train combination with the highest probability is assigned to the subway passenger. The estimated result is validated using the transfer gate data which are recorded on private subway lines. The result showed that the accuracy of the estimated travel train is shown to be 95.6%. The choice ratios for no-transfer, one-transfer, two-transfer, three-transfer, and four-transfer trips are estimated to be 53.9%, 37.7%, 6.5%, 1.5%, and 0.4%, respectively. Regarding the practical application, the passenger kilometers by lines are estimated with the travel route estimation of the whole network. As results of the passenger kilometer calculation, the passenger kilometer of the proposed algorithm is estimated to be 88,314 million passenger kilometer. The proposed algorithm estimates the passenger kilometer about 13% higher than the shortest path algorithm. This result implies that the passengers do not always prefer the shortest path and detour about 13% for their convenience.


2021 ◽  
Vol 2 (4) ◽  
Author(s):  
Yuxiao Tu ◽  
Zheng Li

From the perspective of the establishment of the subway media service system, the corresponding relationship between passenger travel purpose and advertising location is studied. The characteristics of convenient and efficient advertising in subway media to serve the crowd are used to form an optimized allocation of resources to maximize the effectiveness of advertising. Study the constituent factors of the subway media service system, and expound the relationship among the three areas of media, station cars, and crowds. Among them, it focuses on analyzing the occupations of passengers, economic income, viewing advertisements and travel purposes, etc., Using new interactive design methods to implement subway advertising strategies. Increasing the economic benefits and social influence of subway advertising.


2021 ◽  
pp. 209-221
Author(s):  
Anatoly I. Telegin ◽  
Natalia V. Goncharova ◽  
Anastasia V. Yulova ◽  
В.И. Тихонов Tikhonov

Presents the results of testing the methodology for determining the passenger's travel time according to the "door-to-door" scheme on intra-city and suburban routes using hovercrafts. The introduction presents the results of the analysis of a number of research works of domestic and foreign scientists in the field of passenger transportation by hovercraft. The analysis showed that studies of passenger travel taking into account such factors as distance and time according to the "door-to-door" scheme on intra-city and suburban routes in riverine regions by buses and hovercraft do not occur, which means that the chosen research topic is relevant. The methods section summarizes the basics of calculations and initial data for testing the methodology for determining the time spent by passengers on a trip using a hovercraft. The results section provides graphical data as a result of testing the methodology. The opinion of the authors of the article on the use of alternative travel options by a passenger on intra-city and suburban routes by road and (or) river transport is put up for discussion. In the final part of the article, it is determined that this method of determining the travel time of a passenger on intra-city, and in comparison, may be of interest both for passengers and transport organizations.


Symmetry ◽  
2021 ◽  
Vol 13 (12) ◽  
pp. 2436
Author(s):  
Zhongyi Lin ◽  
Yang Cao ◽  
Huasheng Liu ◽  
Jin Li ◽  
Shuzhi Zhao

The urban public transportation system is an important part of urban transportation, and the rationality of public transportation routes layout plays a vital role in the transportation of the city. Improving the efficiency of public transportation can have a positive impact on the operation of the public transportation system. This paper uses complex network theory and the symmetry of the up and down bus routes and stations to establish an urban public transit network model and calculates the probability of passengers choosing different routes in the public transit network according to passenger travel impedance. Based on passenger travel impedance, travel path probability and passenger travel demand, the links are weighed, and the network efficiency calculation method is improved. Finally, the public transit network optimization model was established with network efficiency as the objective function and solved by the ant colony algorithm. In order to verify the effectiveness of the model and the solution method, this paper selects areas in Nanguan District of Changchun City for example analysis. The result shows that the efficiency of the optimized network is 8.5% higher than that of the original network, which proves the feasibility of the optimized model and solution method.


2021 ◽  
Vol 1 (3) ◽  
pp. 639-656
Author(s):  
André Romano Alho ◽  
Takanori Sakai ◽  
Simon Oh ◽  
Cheng Cheng ◽  
Ravi Seshadri ◽  
...  

Time-sensitive parcel deliveries—shipments requested for delivery in a day or less—are an increasingly important aspect of urban logistics. It is challenging to deal with these deliveries from a carrier perspective. These require additional planning constraints, preventing the efficient consolidation of deliveries that is possible when demand is well known in advance. Furthermore, such time-sensitive deliveries are requested to a wider spatial scope than retail centers, including homes and offices. Therefore, an increase in such deliveries is considered to exacerbate negative externalities, such as congestion and emissions. One of the solutions is to leverage spare capacity in passenger transport modes. This concept is often denominated as cargo hitching. While there are various system designs, it is crucial that such a solution does not deteriorate the quality of service of passenger trips. This research aims to evaluate the use of mobility-on-demand (MOD) services that perform same-day parcel deliveries. To test the MOD-based solutions, we utilize a high-resolution agent- and activity-based simulation platform of passenger and freight flows. E-commerce demand carrier data collected in Singapore are used to characterize simulated parcel delivery demand. We explore operational scenarios that aim to minimize the adverse effects of fulfilling deliveries with MOD service vehicles on passenger flows. Adverse effects are measured in fulfillment, wait, and travel times. A case study on Singapore indicates that the MOD services have potential to fulfill a considerable amount of parcel deliveries and decrease freight vehicle traffic and total vehicle kilometers travelled without compromising the quality of MOD for passenger travel. Insights into the operational performance of the cargo-hitching service are also provided.


2021 ◽  
Vol 11 (20) ◽  
pp. 9519
Author(s):  
Jun Xu ◽  
Qinghuai Liang ◽  
Xiaoyu Huang ◽  
Le Wang

A combination of express and local trains (E/L mode) is generally used to operate a suburban rail service, it can meet the rapid and direct service needs of long-distance travelers as well the needs of short-distance travelers. Generally, a stop plan is the core of the E/L mode. A stop plan optimization model in E/L mode, which aims to minimize the total passenger travel time and the number of operating trains during the peak period with the safe headway and departure frequency constraints, is proposed in this study. Meanwhile, an algorithm based on a genetic algorithm is designed to solve the proposed model. A case study of the Jiangjin Line, a suburban railway in Chongqing, China, is carried out. The results show the efficiency and feasibility of the proposed method. The calculation results also show that the total passenger travel time under E/L mode with the overtaking condition is significantly reduced compared with the all-stops (AS) mode and E/L mode without overtaking condition. The superiority of the E/L mode can be enhanced by reducing the dwell time at stations and adopting the overtaking condition.


2021 ◽  
Vol 2021 ◽  
pp. 1-14
Author(s):  
Yifan Tan ◽  
Haixu Liu ◽  
Yun Pu ◽  
Xuemei Wu ◽  
Yubo Jiao

As the passenger flow distribution center cooperating with various modes of transportation, the comprehensive passenger transport hub brings convenience to passengers. With the diversification of passenger travel modes, the passenger flow scale gradually increases, which brings significant challenges to the integrated passenger hub. Therefore, it is urgent to solve the problem of early warning and response to the future passenger flow to avoid congestion accidents. In this paper, the passenger flow GRNN prediction model is proposed, based on the K-means cluster algorithm, and an improved index named BWPs (Between-Within Proportion-Similarity) is proposed to improve the clustering effect of K-means so that the clustering effect of the new index is verified. In addition, the passenger flow data are studied and trained by combining with the GRNN neural network model based on parameter optimization (GA); the passenger flow prediction model is obtained. Finally, the passenger flow of Chengdu East Railway Station has been taken as an example, which is divided into 16 models, and each type of passenger flow is predicted, respectively. Compared with the traditional method, the results show that the model can predict the passenger flow with high accuracy.


2021 ◽  
Vol 152 ◽  
pp. 1-17
Author(s):  
Clara Brimnes Gardner ◽  
Sara Dorthea Nielsen ◽  
Morten Eltved ◽  
Thomas Kjær Rasmussen ◽  
Otto Anker Nielsen ◽  
...  

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