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Author :
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.3/5 (555 download)
Download or read book Headway distribution model : interrelationships between headway and fundamental traffic flow characteristics written by and published by . This book was released on 1989 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mostafa Sabry Aly
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (841 download)
Download or read book Headway distribution model interrelationships between headway and fundamental traffic flow characteristics written by Mostafa Sabry Aly and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adolf Darlington May
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (562 download)
Download or read book Headway Characteristics and Interrelationships of Fundamental Characteristics of Traffic Flow written by Adolf Darlington May and published by . This book was released on 1960 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wilhelm Leutzbach
Publisher : Springer Science & Business Media
ISBN 13 : 3642613535
Total Pages : 210 pages
Book Rating : 4.6/5 (426 download)
Download or read book Introduction to the Theory of Traffic Flow written by Wilhelm Leutzbach and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes a coherent approach to the explanation of the movement of individual vehicles or groups of vehicles. To avoid possible misunderstandings, some preliminary remarks are called for. 1. This is intended to be a textbook. It brings together methods and approaches that are widely distributed throughout the literature and that are therefore difficult to assess. Text citations of sources have been avoided; literature references are listed together at the end of the book. 2. The book is intended primarily for students of engineering. It describes the theoretical background necessary for an understanding of the methods by which links in a road network are designed and dimensioned or by which traffic is controlled; the methods themselves are not dealt with. It may also assist those actually working in such sectors to interpret the results of traffic flow measure ments more accurately than has hitherto been the case. 3. The book deals with traffic flow on links between nodes, and not at nodes themselves. Many readers will probably regret this, since nodes are usually the bottlenecks which limit the capacity of the road network. A book dedicated to the node would be the obvious follow-up. A separation of link and node is justified, however, partly because the quantity of material has to be kept within reasonable bounds and partly because the treatment of traffic flow at nodes requires additional mathematical techniques (in particular, those relating to queueing theory).
Author : Adolf Darlington May
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.3/5 (555 download)
Download or read book A Study of Fundamental Characteristics of Traffic Flow written by Adolf Darlington May and published by . This book was released on 1960 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R.J. Salter
Publisher : Springer
ISBN 13 : 134920014X
Total Pages : 379 pages
Book Rating : 4.3/5 (492 download)
Download or read book Highway Traffic Analysis and Design written by R.J. Salter and published by Springer. This book was released on 1989-06-30 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to analyzing and predicting traffic. It also covers the various problems encountered when designing traffic signal controls and highways to accommodate the varying volume.
Author : Yajie Zou
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (881 download)
Download or read book A Multivariate Analysis of Freeway Speed and Headway Data written by Yajie Zou and published by . This book was released on 2014 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: The knowledge of speed and headway distributions is essential in microscopic traffic flow studies because speed and headway are both fundamental microscopic characteristics of traffic flow. For microscopic simulation models, one key process is the generation of entry vehicle speeds and vehicle arrival times. It is helpful to find desirable mathematical distributions to model individual speed and headway values, because the individual vehicle speed and arrival time in microscopic simulations are usually generated based on some form of mathematical models. Traditionally, distributions for speed and headway are investigated separately and independent of each other. However, this traditional approach ignores the possible dependence between speed and headway. To address this issue, the dissertation presents two different methodologies to construct bivariate distributions to describe the characteristics of speed and headway. Based on the investigation of freeway speed and headway data measured from the loop detector data on IH-35 in Austin, it is shown that there exists a weak dependence between speed and headway and the correlation structure can vary depending on the traffic condition. The dissertation first proposes skew-t mixture models to capture the heterogeneity in speed distribution. Finite mixture of skew-t distributions can significantly improve the goodness of fit of speed data. To develop a bivariate distribution to capture the dependence and describe the characteristics of speed and headway, finite mixtures of multivariate skew-t distributions are applied to the 24-hour speed and headway data. The bivariate skew-t mixture model can provide a satisfactory fit to the multimodal speed and headway distribution and this modeling approach can accommodate the varying correlation structure between speed and headway. To avoid the restriction of the bivariate skew-t distributions that individual behavior of speed and headway is described by the same univariate distributions, this research proposes copulas as an alternative method for constructing the multivariate distribution of traffic variables. Copula models can adequately represent the multivariate distributions of microscopic traffic data and accurately reproduce the dependence structure revealed by the speed and headway observations. This dissertation compares the advantages and disadvantages of copula models and finite mixtures of multivariate distributions. Overall, the proposed methodologies in this dissertation can be used to generate more accurate vehicle speeds and vehicle arrival times by considering their dependence on each other when developing microscopic traffic simulation models. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/151809
Author : Xiqun (Michael) Chen
Publisher : Springer
ISBN 13 : 3662445727
Total Pages : 202 pages
Book Rating : 4.6/5 (624 download)
Download or read book Stochastic Evolutions of Dynamic Traffic Flow written by Xiqun (Michael) Chen and published by Springer. This book was released on 2014-09-18 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reveals the underlying mechanisms of complexity and stochastic evolutions of traffic flows. Using Eulerian and Lagrangian measurements, the authors propose lognormal headway/spacing/velocity distributions and subsequently develop a Markov car-following model to describe drivers’ random choices concerning headways/spacings, putting forward a stochastic fundamental diagram model for wide scattering flow-density points. In the context of highway onramp bottlenecks, the authors present a traffic flow breakdown probability model and spatial-temporal queuing model to improve the stability and reliability of road traffic flows. This book is intended for researchers and graduate students in the fields of transportation engineering and civil engineering.
Author : John A. Finguerra
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (18 download)
Download or read book Traffic Flow Relationships written by John A. Finguerra and published by . This book was released on 1962 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council (U.S.). Highway Research Board
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (359 download)
Download or read book Characteristics of Traffic Flow written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1968 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adolf Darlington May
Publisher : Pearson
ISBN 13 :
Total Pages : 488 pages
Book Rating : 4.3/5 (555 download)
Download or read book Traffic Flow Fundamentals written by Adolf Darlington May and published by Pearson. This book was released on 1990 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Logical development of the concepts and applications of traffic stream theory and operations analysis. Includes many worked examples and homework problems.
Author : Paul Wasielewski
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.3/5 (555 download)
Download or read book Car Following Distances on a Freeway Derived from a Headway Distribution Model written by Paul Wasielewski and published by . This book was released on 1977 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Boris S. Kerner
Publisher : Springer Science & Business Media
ISBN 13 : 3642026052
Total Pages : 271 pages
Book Rating : 4.6/5 (42 download)
Download or read book Introduction to Modern Traffic Flow Theory and Control written by Boris S. Kerner and published by Springer Science & Business Media. This book was released on 2009-09-16 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: The understanding of empirical traf?c congestion occurring on unsignalized mul- lane highways and freeways is a key for effective traf?c management, control, or- nization, and other applications of transportation engineering. However, the traf?c ?ow theories and models that dominate up to now in transportation research journals and teaching programs of most universities cannot explain either traf?c breakdown or most features of the resulting congested patterns. These theories are also the - sis of most dynamic traf?c assignment models and freeway traf?c control methods, which therefore are not consistent with features of real traf?c. For this reason, the author introduced an alternative traf?c ?ow theory called three-phase traf?c theory, which can predict and explain the empirical spatiot- poral features of traf?c breakdown and the resulting traf?c congestion. A previous book “The Physics of Traf?c” (Springer, Berlin, 2004) presented a discussion of the empirical spatiotemporal features of congested traf?c patterns and of three-phase traf?c theory as well as their engineering applications. Rather than a comprehensive analysis of empirical and theoretical results in the ?eld, the present book includes no more empirical and theoretical results than are necessary for the understanding of vehicular traf?c on unsignalized multi-lane roads. The main objectives of the book are to present an “elementary” traf?c ?ow theory and control methods as well as to show links between three-phase traf?c t- ory and earlier traf?c ?ow theories. The need for such a book follows from many commentsofcolleaguesmadeafterpublicationofthebook“ThePhysicsofTraf?c”.
Author : Lily Elefteriadou
Publisher : Springer Science & Business Media
ISBN 13 : 1461484359
Total Pages : 262 pages
Book Rating : 4.4/5 (614 download)
Download or read book An Introduction to Traffic Flow Theory written by Lily Elefteriadou and published by Springer Science & Business Media. This book was released on 2013-11-19 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text provides a comprehensive and concise treatment of the topic of traffic flow theory and includes several topics relevant to today’s highway transportation system. It provides the fundamental principles of traffic flow theory as well as applications of those principles for evaluating specific types of facilities (freeways, intersections, etc.). Newer concepts of Intelligent transportation systems (ITS) and their potential impact on traffic flow are discussed. State-of-the-art in traffic flow research and microscopic traffic analysis and traffic simulation have significantly advanced and are also discussed in this text. Real world examples and useful problem sets complement each chapter. This textbook is meant for use in advanced undergraduate/graduate level courses in traffic flow theory with prerequisites including two semesters of calculus, statistics, and an introductory course in transportation. The text would also be of interest to transportation professionals as a refresher in traffic flow theory, or as a reference. Students and engineers of diverse backgrounds will find this text accessible and applicable to today’s traffic issues.
Author :
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.3/5 (555 download)
Download or read book A general traffic flow simulation model for freeway operation written by and published by . This book was released on 1970 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Piet H. L. Bovy
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.3/5 (555 download)
Download or read book Motorway traffic flow analysis written by Piet H. L. Bovy and published by . This book was released on 1998 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michigan State University. Highway Traffic Safety Center
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (555 download)
Download or read book A Summary of Quality and Fundamental Characteristics of Traffic Flow written by Michigan State University. Highway Traffic Safety Center and published by . This book was released on 1961 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
