Demand Responsive Feeder Transit Services

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Demand-Responsive Feeder Transit Services

Author : Xiugang Li
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783847378242
Total Pages : 88 pages
Book Rating : 4.3/5 (782 download)

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Book Synopsis Demand-Responsive Feeder Transit Services by : Xiugang Li

Download or read book Demand-Responsive Feeder Transit Services written by Xiugang Li and published by LAP Lambert Academic Publishing. This book was released on 2012-04 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The general public considers Fixed-Route Transit (FRT) to be inconvenient while Demand-Responsive Transit (DRT) provides much of the desired flexibility with a door-to-door type of service. However, FRT is typically more cost efficient than DRT to deploy. Therefore, there is an increased interest in flexible transit services that combine FRT and pure DRT. The demand-responsive feeder transit is a flexible transit service that operates in a demand-responsive fashion within a service area and moves customers to/from a transfer point connecting to a FRT network. This book provides analytical models, validated by simulation, to design the system. Feeder transit services are generally operated with a demand-responsive policy which might be converted to a traditional fixed-route policy for higher demand. We provide analytical modeling to help planners and operators choose the policy. Then we address the problem faced by planners in determining the optimal number of zones for dividing a service area. Finally we develop a real-case application. This book is useful to transportation planners, engineers and researchers.

Optimal Design of Demand-responsive Feeder Transit Services

Author : Xiugang Li
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (688 download)

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Book Synopsis Optimal Design of Demand-responsive Feeder Transit Services by : Xiugang Li

Download or read book Optimal Design of Demand-responsive Feeder Transit Services written by Xiugang Li and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The general public considers Fixed-Route Transit (FRT) to be inconvenient while Demand-Responsive Transit (DRT) provides much of the desired flexibility with a door-to-door type of service. However, FRT is typically more cost efficient than DRT to deploy. Therefore, there is an increased interest in flexible transit services including all types of hybrid services that combine FRT and pure DRT. The demand-responsive feeder transit, also known as Demand-Responsive Connector (DRC), is a flexible transit service because it operates in a demand-responsive fashion within a service area and moves customers to/from a transfer point that connects to a FRT network. In this research we develop analytical models, validated by simulation, to design the DRC system. Feeder transit services are generally operated with a DRC policy which might be converted to a traditional FRT policy for higher demand. By using continuous approximations, we provide an analytical modeling framework to help planners and operators in their choice of the two policies. We compare utility functions of the two policies to derive rigorous analytical and approximate closed-form expressions of critical demand densities. They represent the switching conditions, that are functions of the parameters of each considered scenario, such as the geometry of the service area, the vehicle speed and also the weights assigned to each term contributing to the utility function: walking time, waiting time and riding time. We address the problem faced by planners in determining the optimal number of zones for dividing a service area. We develop analytical models representing the total cost functions balancing customer service quality and vehicle operating cost. We obtain close-form expressions for the FRT and approximation formulas for the DRC to determine the optimal number of zones. Finally we develop a real-case application with collected customer demand data and road network data of El Cenizo, Texas. With our analytical formulas, we obtain the optimal number of zones, and the times for switching FRT and DRC policies during a day. Simulation results considering the road network of El Cenizo demonstrate that our analytical formulas provide good estimates for practical use.

Operational Experiences with Flexible Transit Services

Author : David Koffman
Publisher : Transportation Research Board
ISBN 13 : 0309070104
Total Pages : 71 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Operational Experiences with Flexible Transit Services by : David Koffman

Download or read book Operational Experiences with Flexible Transit Services written by David Koffman and published by Transportation Research Board. This book was released on 2004 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's Transit Cooperative Research Program (TCRP) Synthesis 53: Operational Experiences with Flexible Transit Services examines transit agency experiences with "flexible transit services," including all types of hybrid services that are not pure demand-responsive (including dial-a-ride and Americans with Disabilities Act paratransit) or fixed-route services, but that fall somewhere in between those traditional service models.

Share a Ride to the Train Station Using a Demand-responsive Feeder Service

Author : Shlomo Beychok
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (128 download)

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Book Synopsis Share a Ride to the Train Station Using a Demand-responsive Feeder Service by : Shlomo Beychok

Download or read book Share a Ride to the Train Station Using a Demand-responsive Feeder Service written by Shlomo Beychok and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Demand Responsive Transit (DRT) is a form of flexible public transportation in which the routes and schedules are determined per ride, based on the needs of passengers. In this work we examine such a DRT system. We implement a Vehicle Routing Problem with Time Windows (VRPTW) as a mixed-integer linear programming (MILP) optimization model and use it to experiment on a wide range of scenarios. The model takes into account various parameters such as expected ridership, the size and capacity of the fleet and the required time window for pick-up. The objective is to minimize overall travel time of all vehicles in the fleet, while simultaneously reducing passenger waiting and travel times. By supplying an alternative to travel by private car or taxi where passengers share a ride in one vehicle, there are several added benefits such as reducing fuel consumption, pollution, traffic congestion and parking costs.

Design and Optimization of a Feeder Demand Responsive Transit System in El Cenizo, TX

Author : Shailesh Chandra
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (688 download)

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Book Synopsis Design and Optimization of a Feeder Demand Responsive Transit System in El Cenizo, TX by : Shailesh Chandra

Download or read book Design and Optimization of a Feeder Demand Responsive Transit System in El Cenizo, TX written by Shailesh Chandra and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The colonias along the Texas-Mexico border are one of the most rapidly growing areas in Texas. Because of the relatively low income of the residents and an inadequate availability of transportation services, the need for basic social activities for the colonias cannot be properly met. The objectives of this study are to have a better comprehension of the status quo of these communities by examining the potential demand for an improved transportation service and evaluate the capacity and optimum service time interval of a new demand responsive transit "feeder" service within one representative colonia, El Cenizo. A comprehensive analysis of the results of a survey conducted through a questionnaire is presented to explain the existing travel patterns and potential demand for a feeder service. The results of this thesis and work from the subsequent simulation analysis showed that a single shuttle would be able to comfortably serve 150 passengers/day. It further showed that the optimal cycle length between consecutive departures from the terminal should be between 11-13 minutes for best service quality. This exploratory study should serve as a first step towards improving transportation services within these growing underprivileged communities especially those with demographics and geography similar to the target area of El Cenizo.

Transit Capacity and Quality of Service Manual

Author : Transit Cooperative Research Program
Publisher : Transportation Research Board
ISBN 13 : 0309087767
Total Pages : 29 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Transit Capacity and Quality of Service Manual by : Transit Cooperative Research Program

Download or read book Transit Capacity and Quality of Service Manual written by Transit Cooperative Research Program and published by Transportation Research Board. This book was released on 2003 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains full text of the manual, Microsoft Excel spreadsheets, and a library of related documents.

Enhancing Livability with Feeder Transit Services

Author : Shailesh Chandra
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (819 download)

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Book Synopsis Enhancing Livability with Feeder Transit Services by : Shailesh Chandra

Download or read book Enhancing Livability with Feeder Transit Services written by Shailesh Chandra and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation begins with proposing a novel street Connectivity Indicator (C.I.) to predict transit performance by identifying the role that street network connectivity plays in influencing the service quality of demand responsive feeder transit services. This new C.I. definition is dependent upon the expected shortest path between any two nodes in the network, includes spatial features with transit demand distribution information and is easy to calculate for any given service area. Subsequently, a methodology to identify and locate critical links within a grid street system for operating feeder transit services is also developed. A 'critical' street link causes the largest change in transit performance due to the link's removal or addition to an existing network. The most important contribution of this section on link criticality is to present a simple closed-form analytical formula in locating the critical link(s) for a grid street network system of 'any' size. Easily computable formulas have been provided and validated by simulation analyses. Another related model is proposed to compute the optimal grid street spacing that would enhance performance of a demand responsive feeder transit system. The model is tested using simulation. Lastly, an analytical model is also developed for estimating optimal service cycle length or headway of a demand responsive feeder transit service designed to serve passengers, especially during peak periods of demand. Simulation analyses over a range of networks have been conducted to validate the new C.I. definition. Results show a desirable monotonic relationship between transit performance and the proposed C.I., whose values are directly proportional and therefore good predictors of the transit performance, outperforming other available indicators, typically used by planners. Further, useful insights indicate a monotonic decrease in link criticality as we depart from the centrally located links to those located at boundaries. Using a real case example from Denver of the Call-n-Ride system operating similar to a demand responsive feeder transit, optimal cycle lengths differed very modestly from those computed using the model. Extensive simulations performed for different sets of feeder service areas and demand densities, further validated the optimal cycle length model.

Demand Responsive Transportation Systems Task Force (DRTS) Status Report

Author : Nadeem Tahir
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Demand Responsive Transportation Systems Task Force (DRTS) Status Report by : Nadeem Tahir

Download or read book Demand Responsive Transportation Systems Task Force (DRTS) Status Report written by Nadeem Tahir and published by . This book was released on 1972 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Public Transportation and Land Use Policy

Author : Boris Sergeevich Pushkarev
Publisher : Bloomington : Indiana University Press
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Public Transportation and Land Use Policy by : Boris Sergeevich Pushkarev

Download or read book Public Transportation and Land Use Policy written by Boris Sergeevich Pushkarev and published by Bloomington : Indiana University Press. This book was released on 1977 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling Demand-responsive Feeder Systems in the UTPS Framework

Author : États-Unis. Urban Mass Transportation Administration
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (113 download)

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Book Synopsis Modeling Demand-responsive Feeder Systems in the UTPS Framework by : États-Unis. Urban Mass Transportation Administration

Download or read book Modeling Demand-responsive Feeder Systems in the UTPS Framework written by États-Unis. Urban Mass Transportation Administration and published by . This book was released on 1978 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contracting for Bus and Demand-responsive Transit Services

Author :
Publisher : National Academies Press
ISBN 13 : 9780309072052
Total Pages : 210 pages
Book Rating : 4.0/5 (72 download)

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Book Synopsis Contracting for Bus and Demand-responsive Transit Services by :

Download or read book Contracting for Bus and Demand-responsive Transit Services written by and published by National Academies Press. This book was released on 2001 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the interest of learning more about contracting as a method of transit service delivery, the 1998 Transportation Equity Act for the 21st Century (TEA-21) called on the Transportation Research Board (TRB) to conduct a study of contracting by recipients of federal transit grants. TEA-21 called for an examination of the extent and practice of transit service contracting and its effects on operating costs, customer service, safety, and other aspects of service quality and quantity. To conduct the study, TRB convened a 12-member committee of experts in public transportation management, labor, economics, and public policy. In carrying out the study, the committee reviewed previous reports on transit service contracting; conducted its own nationwide survey of public transit systems and their general managers; and interviewed transit managers, labor union leaders, contractors, and members of transit policy boards. Resulting findings and conclusions are summarized in this report, along with additional insights and ideas for follow-on study. The contents are organized as follows: (1) Introduction; (2) Public and Private Provision of Transit in the United States; (3) Conceptual Framework and Previous Studies on Contracting; (4) Transit Service Contracting in the United States: Extent and Practice; (5) Transit Contracting Experiences and Advice from General Managers; and (6) Summary and Assessment.

Contracting for Bus and Demand-responsive Transit Services

Author :
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (74 download)

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Book Synopsis Contracting for Bus and Demand-responsive Transit Services by :

Download or read book Contracting for Bus and Demand-responsive Transit Services written by and published by . This book was released on 2001 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Public Transportation Systems: Principles Of System Design, Operations Planning And Real-time Control

Author : Daganzo Carlos F
Publisher : World Scientific
ISBN 13 : 9813224118
Total Pages : 512 pages
Book Rating : 4.8/5 (132 download)

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Book Synopsis Public Transportation Systems: Principles Of System Design, Operations Planning And Real-time Control by : Daganzo Carlos F

Download or read book Public Transportation Systems: Principles Of System Design, Operations Planning And Real-time Control written by Daganzo Carlos F and published by World Scientific. This book was released on 2019-03-20 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book explains how to think systematically about public transportation through the lens of physics models. The book includes aspects of system design, resource management, operations and control. It presents both, basic theories that reveal fundamental issues, and practical recipes that can be readily used for real-world applications. The principles conveyed in this book cover not only traditional transit modes such as subways, buses and taxis but also the newer mobility services that are being enabled by advances in telematics and robotics.Although the book is rigorous, it includes numerous exercises and a presentation style suitable for senior undergraduate or entry-level graduate students in engineering. The book can also serve as a reference for transportation professionals and researchers keen in this field.

Simulation of a Patterned Demand Responsive Transit System for a Large Rural Area

Author : Wayne R. Ugolik
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Simulation of a Patterned Demand Responsive Transit System for a Large Rural Area by : Wayne R. Ugolik

Download or read book Simulation of a Patterned Demand Responsive Transit System for a Large Rural Area written by Wayne R. Ugolik and published by . This book was released on 1980 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbooks in Operations Research and Management Science: Transportation

Author : Cynthia Barnhart
Publisher : Elsevier
ISBN 13 : 0080467431
Total Pages : 796 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Handbooks in Operations Research and Management Science: Transportation by : Cynthia Barnhart

Download or read book Handbooks in Operations Research and Management Science: Transportation written by Cynthia Barnhart and published by Elsevier. This book was released on 2006-12-08 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains eleven chapters describing some of the most recent methodological operations research developments in transportation. It is structured around the main transportation modes, and each chapter is written by a group of well-recognized researchers. Because of the major impact of operations research methods in the field of air transportation over the past forty years, it is befitting to open the book with a chapter on airline operations management. This book will prove useful to researchers, students, and practitioners in transportation and will stimulate further research in this rich and fascinating area. Volume 14 examines transport and its relationship with operations and management science 11 chapters cover the most recent research developments in transportation Focuses on main transportation modes-air travel, automobile, public transit, maritime transport, and more

Encyclopedia of Operations Research and Management Science

Author : Saul I. Gass
Publisher : Springer Science & Business Media
ISBN 13 : 1461304598
Total Pages : 774 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Encyclopedia of Operations Research and Management Science by : Saul I. Gass

Download or read book Encyclopedia of Operations Research and Management Science written by Saul I. Gass and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: Operations Research: 1934-1941," 35, 1, 143-152; "British The goal of the Encyclopedia of Operations Research and Operational Research in World War II," 35, 3, 453-470; Management Science is to provide to decision makers and "U. S. Operations Research in World War II," 35, 6, 910-925; problem solvers in business, industry, government and and the 1984 article by Harold Lardner that appeared in academia a comprehensive overview of the wide range of Operations Research: "The Origin of Operational Research," ideas, methodologies, and synergistic forces that combine to 32, 2, 465-475. form the preeminent decision-aiding fields of operations re search and management science (OR/MS). To this end, we The Encyclopedia contains no entries that define the fields enlisted a distinguished international group of academics of operations research and management science. OR and MS and practitioners to contribute articles on subjects for are often equated to one another. If one defines them by the which they are renowned. methodologies they employ, the equation would probably The editors, working with the Encyclopedia's Editorial stand inspection. If one defines them by their historical Advisory Board, surveyed and divided OR/MS into specific developments and the classes of problems they encompass, topics that collectively encompass the foundations, applica the equation becomes fuzzy. The formalism OR grew out of tions, and emerging elements of this ever-changing field. We the operational problems of the British and U. s. military also wanted to establish the close associations that OR/MS efforts in World War II.

Guidelines for Enhancing Suburban Mobility Using Public Transportation

Author : Transit Cooperative Research Program
Publisher : Transportation Research Board
ISBN 13 : 9780309066129
Total Pages : 92 pages
Book Rating : 4.0/5 (661 download)

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Book Synopsis Guidelines for Enhancing Suburban Mobility Using Public Transportation by : Transit Cooperative Research Program

Download or read book Guidelines for Enhancing Suburban Mobility Using Public Transportation written by Transit Cooperative Research Program and published by Transportation Research Board. This book was released on 1999 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guidelines for enhancing suburban mobility: Overview and summary of findings -- Suburban transit services: The planning context -- Actions to modify and improve the overall suburban transit framework -- Circulators and shuttles -- Subscription buses and vanpools -- Summary: Lessons and conclusions -- Bibliography -- Appendix A: Classifying suburban environments.