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:
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:
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:
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.
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 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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:
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”.
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:
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
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:
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.
Download or read book An Introduction to Traffic Flow Theory written by Lily Elefteriadou and published by Springer Nature. This book was released on with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Download or read book Traffic Flow Dynamics written by Martin Treiber and published by Springer Science & Business Media. This book was released on 2012-10-11 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides a comprehensive and instructive coverage of vehicular traffic flow dynamics and modeling. It makes this fascinating interdisciplinary topic, which to date was only documented in parts by specialized monographs, accessible to a broad readership. Numerous figures and problems with solutions help the reader to quickly understand and practice the presented concepts. This book is targeted at students of physics and traffic engineering and, more generally, also at students and professionals in computer science, mathematics, and interdisciplinary topics. It also offers material for project work in programming and simulation at college and university level. The main part, after presenting different categories of traffic data, is devoted to a mathematical description of the dynamics of traffic flow, covering macroscopic models which describe traffic in terms of density, as well as microscopic many-particle models in which each particle corresponds to a vehicle and its driver. Focus chapters on traffic instabilities and model calibration/validation present these topics in a novel and systematic way. Finally, the theoretical framework is shown at work in selected applications such as traffic-state and travel-time estimation, intelligent transportation systems, traffic operations management, and a detailed physics-based model for fuel consumption and emissions.
Download or read book The Transport System and Transport Policy written by Bert van Wee and published by Edward Elgar Publishing. This book was released on 2023-08-14 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: This extensively updated textbook introduces the transport system and its societal impacts in a holistic and multidisciplinary way. A timely second edition, it includes new analyses of travel behaviour and the transport system’s impacts on health and well-being.
Download or read book Highway Safety Literature written by and published by . This book was released on 1978 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Model for Heterogeneous Traffic Flows Including Non motorized Vehicles written by Timothy George Oketch and published by . This book was released on 2001 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
