A New Dynamic Model For Evaluating The Performance Of Urban Traffic Control Systems And Route Guidance Strategies
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A New Dynamic Model For Evaluating The Performance Of Urban Traffic Control Systems And Route Guidance Strategies
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Author : M. J. Smith
language : en
Publisher:
Release Date : 1991
A New Dynamic Model For Evaluating The Performance Of Urban Traffic Control Systems And Route Guidance Strategies written by M. J. Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with CONTRAM (Computer program) categories.
Transportation Research Record
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Author :
language : en
Publisher:
Release Date : 2002
Transportation Research Record written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Air travel categories.
"For more than 50 years, the Transportation Research Record has been internationally recognized as one of the preeminent peer-reviewed journals for transportation research papers from authors in the United States and from around the world. One of the most cited transportation journals, the TRR offers unparalleled depth and breadth in the coverage of transportation topics from both academic and practitioner perspectives. All modes of passenger and freight transportation are addressed in papers covering a wide array of disciplines, including policy, planning, administration, economics and financing, operations, construction, design, maintenance, safety, and more."--Publisher's website
The Interplay Of Urban Traffic Route Guidance Network Control And Driver Response
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Author : Inchul Yang
language : en
Publisher:
Release Date : 2011
The Interplay Of Urban Traffic Route Guidance Network Control And Driver Response written by Inchul Yang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Much effort has been made in the past on the supply side to relieve road traffic congestion which undermines the mobility in urban networks and brings heavy social costs, but building additional roadway capacity is no longer considered a viable option. A better alternative is the efficient management of existing networks, for which we can envisage new possibilities that emerge in light of the recent increase in the use of private providers' digital map and traffic information systems. These systems have evolved mostly without much public sector influence, but some paradigm shift is needed for thinking about the directions of future developments that will show societal benefits also open up private-sector opportunities. In this context, we develop a multi-agent advanced traffic management and information systems (ATMIS) framework with day-to-day dynamics where private agencies are included as traffic information service providers (ISPs) together with public agencies handling the traffic control and the users (drivers) as the decision-makers. One important paradigm shift is that the emergence of private ISPs makes it possible to obtain path-based data via retrieval of individual trajectory diaries and current position information from their subscribers. The availability of such path-based data can bring about the development of new path-based ATMIS algorithms. Such new algorithms can be capable of taking into account the routing effects of advanced traveler information systems (ATIS). Under the assumption that the traffic management center (TMC) has some (even approximate) knowledge of the ISPs' optimal strategies, it is possible to design optimal route guidance and control strategies (ORGCS) that takes into account the anticipated ISP reactions in terms of route-level flows. In light of these issues, we develop a routing-based real-time cycle-free network-wide signal control scheme (R2CFNet) that uses path-based data. The scheme also allows the avoidance of day-to-day games between ISPs and signal control through the use of weights on the queue delays in the control objective function. The weights are essentially operator parameters designed to incorporate ORGCS and day-to-day behavior. The proposed control scheme, of course, responds to detected traffic (demand) rates on a real-time basis in response to the control delays on network routes. Another theoretical advance in the research is in the development of a modeling scheme that uses a new optimization algorithm for a convergent simulation-based dynamic traffic assignment (DTA) model. This model incorporates a Gradient Projection (GP) algorithm, as opposed to the traditionally-used Method of Successive Averages (MSA), and it displays significantly better convergence characteristics. A consistent day-to-day dynamic framework is also developed, incorporating an elaborate microscopic simulation model to capture traffic network performance, to study network dynamics under multiple private ISPs and the new signal control scheme. The results of parametric simulations have shown that the proposed framework is capable of effectively capturing the effects of the interplay of urban traffic route guidance, network control and user response. It is seen that an appropriate combination of ATIS market penetration rate and the special-purpose signal control settings could divert some portion of travel demand to different routes. This is achieved by constraining the signal settings to conform to certain longer-term strategies. The performance and efficiency of the components of the proposed framework such as the DTA model, the day-to-day dynamics model and the R2CFNet control scheme have been investigated through various numerical experiments that show promising results. Lastly, several future topics of relevance to the framework are discussed.
Finance Planning Programming Economic Analysis And Land Development 1991
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Author : National Research Council (U.S.). Transportation Research Board
language : en
Publisher: Transportation Research Board
Release Date : 1991
Finance Planning Programming Economic Analysis And Land Development 1991 written by National Research Council (U.S.). Transportation Research Board and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Transportation categories.
Dynamic Traffic Management In Urban And Suburban Road Systems
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Author : Organisation for Economic Co-operation and Development
language : en
Publisher: Organisation for Economic Co-operation and Development ; Washington, D.C. : OECD Publications and Information Centre
Release Date : 1987
Dynamic Traffic Management In Urban And Suburban Road Systems written by Organisation for Economic Co-operation and Development and has been published by Organisation for Economic Co-operation and Development ; Washington, D.C. : OECD Publications and Information Centre this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Technology & Engineering categories.
Modelling Monitoring The Performance Of Urban Traffic Control Systems
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Author : J. Y. K. Luk
language : en
Publisher:
Release Date : 1989
Modelling Monitoring The Performance Of Urban Traffic Control Systems written by J. Y. K. Luk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with City traffic categories.
25th Isata Silver Jubilee International Symposium On Automotive Technology And Automation Florence Italy 1st 5th June 1992
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Author :
language : en
Publisher:
Release Date : 1992
25th Isata Silver Jubilee International Symposium On Automotive Technology And Automation Florence Italy 1st 5th June 1992 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Automobiles categories.
Highway Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1992
Highway Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Highway engineering categories.
Traffic And Transportation Studies
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Author : Zhaoxia Yang
language : en
Publisher:
Release Date : 1998
Traffic And Transportation Studies written by Zhaoxia Yang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Political Science categories.
This collection contains 103 papers presented at the First International Conference on Transportation and Traffic Studies, held in Beijing, China, July 27-29, 1998.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1992
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.