Optimization Of Train Timetables In High Speed Railway Corridors Considering Passenger Departure Time And Price Preferences
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| Author | : Zhipeng Huang |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2023 |
| Genre | : |
| ISBN | : |
In a high-speed railway (HSR) corridor, diverse train services are provided by railway companies. These different trains' features own various attributes (e.g., departure time, running speed, and fare) being the basis and focus for passengers deciding their travel. Besides, passenger's varying preference always leads to a diversity of their decision. Focusing on this problem, this paper proposed a train timetable optimization model based on departure time and pricing strategy to further analyze their impact on passengers' travel choices with a consistent operating speed, and to construct an extended time-space-fare network to visualize this process. The generalized cost of each arc in the network will be applied as a criterion for evaluating passenger selection. Then, we adapt a passenger flow allocation method based on the user equilibrium (UE) principle to allocate passenger flow to each train. Finally, a bi-level planning model is designed, where the passenger allocation is performed as the lower-level model, and the timetable decision is the upper-level one to optimize collaboratively. Moreover, a genetic algorithm integrated with the Frank-Wolfe method is designed to seek the optimal timetable and pricing strategy, and a concrete numerical example in Lanzhou-Xi'an HSR is taken to investigate the effectiveness of both the model and the algorithm.
| Author | : Hyoung June Kim |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 146 |
| Release | : 2020-06-23 |
| Genre | : Technology & Engineering |
| ISBN | : 3749485062 |
One of the most important things to consider before constructing a railway is the train operating program. However, the analysis of the operating program based train schedule in the railway planning stage is carried out mainly on the basis of the intuitive experiences of the planner, and the optimization of the train schedule under various conditions is not properly considered. This study analyzes the optimization of heterogeneous train scheduling structures with minimizing the weighted scheduled waiting time and with the decision of Subsidiary Main Track (SMT) for overtaking of high-speed trains on the railway line. As a way for analyzing the Optimal Train Schedule (OTS) under constraint conditions, the genetic algorithm is used. The genetic algorithm is widely applied to various optimization and decision-making problems in engineering, natural sciences, business administration, and social sciences. The proposed method can examine train schedules for more scenarios, apply quantitative evaluation criteria, and review concrete infrastructures in comparison to the existing empirical method used in South Korea.
| Author | : Pasi T. Lautala |
| Publisher | : |
| Total Pages | : |
| Release | : 2016 |
| Genre | : Railroads |
| ISBN | : |
"The majority of intercity passenger and commuter rail services in the U.S. operate on the shared-use corridors with freight rail services. These types of operations tend to be challenging for efficient capacity utilization and reliability due to the high heterogeneity of trains. As passenger traffic seeks higher speed and more frequencies, the situation is likely to be exacerbated. There are two main approaches to address the challenge, either by applying new capital investment (upgrading infrastructure components), or by modifying operational characteristics and parameters of the rail services (e.g. rescheduling and timetable management techniques). This project will build on current work to apply European and U.S. simulations software on shared use corridors. The objective is to develop a capacity parametric model that uses train timetable and optimization techniques to supplement rail operations simulation analysis toward improved capacity utilization levels of a given corridor. This study will focus on two existing shared use corridors. It will continue the work already initiated on Baltimore-Washington section of the Northeast Corridor and incorporate a segment of Michigan HSR corridor. The study will be based on actual infrastructure, signaling and train characteristics and will use outputs of the European simulation packages (Railsys and/or Opentrack) as well as Rail Traffic Controller (RTC), a common simulation package in the U.S., to evaluate different traffic scenarios and operational variables of the proposed model."--
| Author | : Limin Jia |
| Publisher | : Springer Nature |
| Total Pages | : 451 |
| Release | : 2021-07-17 |
| Genre | : Technology & Engineering |
| ISBN | : 3662630338 |
This book addresses the current development status of high-speed railways globally and analyzes their operational schemes and practices under emergent conditions. It covers methods and problem-solving philosophy with regard to complexity analysis, capacity evaluation, passenger-flow forecasts, operating strategies, passenger-flow allocation, resource allocation and supporting technologies in the context of serious accidents and adverse environmental influences on train operation and service organization of high-speed railways. The abnormal scenarios, emergent conditions, adverse events and corresponding theoretical and applicational solutions dealing with the train operation both in line and network scale are all from real-world cases related to and designed for Chinese high-speed railway network which is the largest in scale, the highest in complexity and the most difficult in tackling with the complex and diverse climate and geographical environment , and thus makes the book both theoretically rigorous and practically applicable. It not only helps readers consider the train and network interactions from the perspective of complexity science, but also provides them with a philosophical framework and approaches available to construct their own roadmap and problem-solving paradigms in their daily research or management. This book is suitable for researchers, postgraduates and managerial and engineering practitioners in railway-related fields, especially in high-speed railway operation and emergency management.
| Author | : Augelli Biocchetti |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2010 |
| Genre | : High speed trains |
| ISBN | : 9781607419853 |
The factors affecting the economic viability of high speed rail lines include the level of expected riders, costs, and public benefits, which are influenced by a line's corridor and service characteristics. High speed rail tends to attract riders in dense, highly populated corridors, especially when there is congestion on existing transportation modes. Characteristics of the proposed service are also key considerations, as high speed rail attracts riders where it compares favourably to travel alternatives with regard to door-to-door trip times, prices, frequency of service, reliability and safety. In this book, a strategic vision for high speed rail is offered, particularly in relation to the role that high speed rail can play in the national transportation system, clearly identifying potential objectives and goals for high speed rail systems and the roles that federal and other stakeholders should play in achieving each objective and goal. The recently enacted Passenger Rail Investment and Improvement Act of 2008 will likely increase the federal role in the development of high speed rail, as will the newly enacted American Recovery and Reinvestment Act of 2009. This book consists of public documents which have been located, gathered, combined, reformatted, and enhanced with a subject index, selectively edited and bound to provide easy access.
| Author | : Fahimeh Khoshniyat |
| Publisher | : Linköping University Electronic Press |
| Total Pages | : 60 |
| Release | : 2016-12-01 |
| Genre | : |
| ISBN | : 9176856313 |
With increase in the use of railway transport, ensuring robustness in railway timetables has never been this important. In a dense railway timetable even a small disturbance can propagate easily and affect trains' arrival and departure times. In a robust timetable small delays are absorbed and knock-on effects are prevented effectively. The aim of this thesis is to study how optimization tools can support the generation of robust railway traffic timetables. We address two Train Timetabling Problems (TTP) and for both problems we apply Mixed Integer Linear Programming (MILP) to solve them from network management perspectives. The first problem is how robustness in a given timetable can be assessed and ensured. To tackle this problem, a headway-based method is introduced. The proposed method is implemented in real timetables and evaluated from performance perspectives. Furthermore, the impact of the proposed method on capacity utilization, heterogeneity and the speed of trains, is monitored. Results show that the proposed method can improve robustness without imposing major changes in timetables. The second problem addressed in the thesis is how robustness can be assessed and maintained in a given timetable when allocating additional traffic and maintenance slots. Different insertion strategies are studied and their consequences on capacity utilization and on the properties of the timetables are analyzed. Two different insertion strategies are considered: i) simultaneous and ii) stepwise insertion. The results show that inserting the additional trains simultaneously usually results in generating more optimal solutions. However, solving this type of problem is computationally challenging. We also observed that the existing robustness metrics cannot capture the essential properties of having more robust timetables. Therefore we proposed measuring Channel Width, Channel Width Forward, Channel Width Behind and Track Switching. Furthermore, the experimental analysis of the applied MILP model shows that some cases are computationally hard to solve and there is a need to decrease the computation time. Hence several valid inequalities are developed and their effects on the computation time are analyzed. This thesis contains three papers which are appended. The results of this thesis are of special interests for railway traffic planners and it would support their working process. However, railway traffic operators and passengers also benefit from this study.
| Author | : Daniel Albalate |
| Publisher | : Taylor & Francis |
| Total Pages | : 209 |
| Release | : 2016-08-12 |
| Genre | : Business & Economics |
| ISBN | : 1317301994 |
High-speed Rail (HSR) is a technological transportation advance that has raised the interest of policy makers and researchers worldwide. The study of High-speed Rail is a recent phenomenon but has received increasing attention due to the extension of this mode of transportation around the globe. Evaluating High-Speed Rail contains some of the most recent and cutting edge studies on HSR from different disciplines. The book is organized around a variety of key topics related to the evaluation of High Speed Rail projects and experiences. These topics include: the economic appraisal and evaluation of High-Speed Rail projects; the evaluation of indirect and direct effects of High-Speed Rail; its territorial, redistributive and environmental impacts; its contribution or limitation to urban growth; and the management of challenges created by the arrival of High-Speed Rail lines to core cities. It also covers the contribution of High-Speed Rail to tourism and its impact on intermodal competition, with especial consideration to air transportation. Chapters analyse the expected effects of introducing on-track competition and designing public-private contracts to develop new lines. This cutting-edge volume offers rigorous analysis from top researchers in the field with a clear intention to deliver policy implications and provide the latest analysis on the impact of High Speed Rail. This book is suitable for students and academics interested in transportation infrastructure, economic impacts of public investments, mobility, planning and urban affairs, as well as researchers and policy makers in the transportation and infrastructure sector.
| Author | : Federal Railroad Administration (FRA) |
| Publisher | : |
| Total Pages | : 88 |
| Release | : 2017-09-26 |
| Genre | : |
| ISBN | : 9781549834677 |
This book provides a digest of federal publications on high-speed rail, including President Obama's announcement of a strategic plan ("Vision for High Speed Rail in America"). Contents include the High Speed Passenger Rail Safety Strategy, History of High Speed Rail, Safety and High Speed Rail, Positive Train Control, Right-of-Way Safety, Funding for HSR Corridors across America, High-Speed Intercity Passenger Rail (HSIPR) Program Guidance, the National Rail Plan, and Outreach. The Department of Transportation (USDOT) is awarding $8 billion to states across the country to develop America's first nationwide program of high-speed intercity passenger rail service. Funded by the American Recovery and Reinvestment Act (ARRA), these dollars represent an historic investment in the country's transportation infrastructure, which will help create jobs and transform travel in America. The awards will serve as a down-payment on developing or laying the groundwork for 13 new, large-scale high-speed rail corridors across the country. The majority of the dollars will go toward developing new, large-scale high-speed rail programs. This includes projects in Florida, which is receiving up to $1.25 billion to develop a new high-speed rail corridor between Tampa and Orlando with trains running up to 168 miles per hour, and in California, which is receiving up to $2.25 billion for its planned project to connect Los Angeles to San Francisco and points in between with trains running up to 220 miles per hour.
| Author | : Ralf Borndörfer |
| Publisher | : Springer |
| Total Pages | : 334 |
| Release | : 2018-03-01 |
| Genre | : Business & Economics |
| ISBN | : 3319721534 |
This book promotes the use of mathematical optimization and operations research methods in rail transportation. The editors assembled thirteen contributions from leading scholars to present a unified voice, standardize terminology, and assess the state-of-the-art. There are three main clusters of articles, corresponding to the classical stages of the planning process: strategic, tactical, and operational. These three clusters are further subdivided into five parts which correspond to the main phases of the railway network planning process: network assessment, capacity planning, timetabling, resource planning, and operational planning. Individual chapters cover: Simulation Capacity Assessment Network Design Train Routing Robust Timetabling Event Scheduling Track Allocation Blocking Shunting Rolling Stock Crew Scheduling Dispatching Delay Propagation
| Author | : Limin Jia |
| Publisher | : Springer |
| Total Pages | : 148 |
| Release | : 2017-05-10 |
| Genre | : Technology & Engineering |
| ISBN | : 9811045976 |
This book presents the latest findings on train operation theories and methods in the context of emergencies. It examines and assesses a range of aspects—including the definition of a railway emergency, transport organization modes in emergencies, calculating railway transport capacity in emergencies, line planning in emergencies, train re-pathing in emergencies and train re-scheduling in emergencies—that are urgently needed in the railway transportation field, which faces the serious challenge of dealing with emergencies worldwide. The book highlights the latest research results in an integrated and systematic way, and the methodology presented is oriented on real-world problems, allowing it to be used not only directly in railway operational management, but also as the point of departure for further applications or theoretical research. As such, the book will be of considerable interest to graduate students and researchers in the field of traffic and transportation engineering.>
