Modeling Pedestrian Activity At Singalized Intersections

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Modeling Pedestrian Activity at Singalized Intersections

Author : Sudha Repaka
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis Modeling Pedestrian Activity at Singalized Intersections by : Sudha Repaka

Download or read book Modeling Pedestrian Activity at Singalized Intersections written by Sudha Repaka and published by . This book was released on 2007 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing congestion and travel delays on urban roads has lead practitioners to look at means to encourage and make alternate modes of transportation more attractive. Allocation of resources to build facilities amicable to pedestrians is governed by pedestrian activity at the location of interest. Collecting real world data such as pedestrian counts (indicating pedestrian activity) at each point of interest is an expensive and time consuming process. On the other hand, unlike trip generation models to estimate vehicle trips, literature documents limited research to model and measure activity pertaining to pedestrian counts. This thesis presents a development and an evaluation of models to measure pedestrian activity at both high and low pedestrian activity locations at different time periods. Data collected at 176 signalized intersections in the City of Charlotte, located in the State of North Carolina, are used to develop models to measure pedestrian activity by time of the day. Pedestrian counts collected at the 176 intersections are used as a dependent variable. Factors such as demographic characteristics (population, household units), socio-economic characteristics (income level, employment), land-use characteristics (residential, commercial, industrial, etc.), network characteristics (number of approaches, number of lanes, speed limits, traffic volume, presence of medians), and the number of transit stops are extracted and estimated using features available in a commercial Geographic Information Systems (GIS) software program. These factors are used as independent variables. Stepwise regression analysis through backward elimination of independent variables is used to develop the models. The developed models could be used by practitioners to measure pedestrian activity at a location if data are available. The measured pedestrian activity could be used in transportation planning, safety, and operational analyses.

Models to Estimate Risk to Pedestrians at Signalized Intersections

Author : Venkata R. Sambhara
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis Models to Estimate Risk to Pedestrians at Signalized Intersections by : Venkata R. Sambhara

Download or read book Models to Estimate Risk to Pedestrians at Signalized Intersections written by Venkata R. Sambhara and published by . This book was released on 2010 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presently there is no common method or measure to estimate the pedestrian crashes at intersections. Consequently the total number of pedestrian crashes at an intersection depends on pedestrian exposure or activity at the intersections. In general, pedestrian activity at a signalized intersection depends on the land use characteristics, demographic characteristics (population, household units), socio-economic characteristics (mean income, total employment), road network characteristics (average speed, number of approaches, number of lanes, presence of median), land use characteristics ( single family residential area, urban commercial residential area, commercial center area) and accessibility to public transit systems. These characteristics could be used as explanatory variables to estimate risk to pedestrian at a signalized intersection. The focus of this paper is to study the relationship between pedestrian crashes and explanatory variables, and develop models to estimate risk to pedestrians at signalized intersections. Data collected for 176 signalized intersections in the City of Charlotte, North Carolina are used to study the relationship and develop models using generalized linear models based on negative binomial analysis distribution. The number of pedestrian crashes at each signalized intersection is considered as the dependent variable and the land use characteristics, demographic characteristics, socio-economic characteristics, road network characteristics, number of transit stops and other explanatory variables are considered as the independent variables. The models developed could be proactively used to estimate risk to pedestrians and could be helpful in identifying suitable countermeasures to improve pedestrian safety at signalized intersections.

Using Geo-spatial Variations in Data to Estimate Pedestrian Activity at Signalized Intersections

Author : Jaya Madhuri Rao Maradapudi
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis Using Geo-spatial Variations in Data to Estimate Pedestrian Activity at Signalized Intersections by : Jaya Madhuri Rao Maradapudi

Download or read book Using Geo-spatial Variations in Data to Estimate Pedestrian Activity at Signalized Intersections written by Jaya Madhuri Rao Maradapudi and published by . This book was released on 2011 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents non-linear models developed to estimate pedestrian activity during a 12-hour time period for three different scenarios (considering all the signalized intersections, high pedestrian activity signalized intersections and low pedestrian activity signalized intersections). Data was obtained from 176 signalized intersections in the city of Charlotte, North Carolina. Pedestrian counts were used as the independent variable. Variables such as demographic, socio-economic, land-use and network characteristics were extracted from within three different buffer zones of signalized intersections using Geographic Information Systems (GIS) software. The number of transit stops in the vicinity of the signalized intersections was obtained from within 100 feet buffers of them. These variables were used as explanatory variables.

Pedestrians 2008

Author :
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (488 download)

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Book Synopsis Pedestrians 2008 by :

Download or read book Pedestrians 2008 written by and published by . This book was released on 2008 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRBs Transportation Research Record: Journal of the Transportation Research Board, No. 2073 includes 14 papers that include an evaluation of a pedestrian safety demonstration project, video monitoring of pedestrians at signalized intersections, the characteristics and circumstances of collision-involved pedestrians, pedestrian collision risk assessment, and models to measure pedestrian activity at signalized intersections. This issue of the TRR also explores pedestrian simulation modeling, pedestrian level-of-service model for arterials, yielding to pedestrians at crosswalks, walking speed of older pedestrians, the marked-crosswalk dilemma, accessible pedestrian signals for blind pedestrians at complex intersections, detectable warnings for visually impaired pedestrians, pedestrian influence on right turns at signalized intersections, and Segway rider behavior.

Modeling Interactions among Pedestrians and Cars in Shared Spaces

Author : Fatema Tuj Johora
Publisher : Springer Nature
ISBN 13 : 3658383453
Total Pages : 174 pages
Book Rating : 4.6/5 (583 download)

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Book Synopsis Modeling Interactions among Pedestrians and Cars in Shared Spaces by : Fatema Tuj Johora

Download or read book Modeling Interactions among Pedestrians and Cars in Shared Spaces written by Fatema Tuj Johora and published by Springer Nature. This book was released on 2022-07-21 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, a novel agent-based, realistic, and general motion model of pedestrians and (human-driven) vehicles is proposed. It can capture a large variety of interactions and be utilized to assess the applicability of different shared space schemes and in the advent of autonomous vehicles. Sustainable urban traffic and transport is a key to successful future development of our society. Urban traffic is predicted to increase further, and the lack of traffic space makes it undesirable to maintain today's strict separation of different modalities. Shared space design principles promote a flexible use of traffic infrastructure by enabling different traffic modalities to share the same space with few or no explicit regulations. Simulation technologies are becoming an essential tool for traffic planners and managers to analyze future urban areas before new concepts and technologies are applied on the road. The proposed simulation model can suitably replicate the motion behaviors of pedestrians and vehicles from new environments with incremental integration of new behaviors and calibrating model parameters.

Models of Pedestrian Crossing Behavior at Signalized Intersections

Author : Srinivas Palamarthy
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Models of Pedestrian Crossing Behavior at Signalized Intersections by : Srinivas Palamarthy

Download or read book Models of Pedestrian Crossing Behavior at Signalized Intersections written by Srinivas Palamarthy and published by . This book was released on 1994 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report focuses on the crossing behavior of pedestrians at traffic signalised intersections. Since a non-compliant pedestrian attempting to cross on a "don't walk" phase looks for gaps in the traffic stream, the gap-acceptance theory is used to model the crossing maneuver. An inconsistent behavior model is assumed wherein the critical gap is treated as a random quantity varying both within and across individuals. On-site surveys were conducted to obtain information on the behavior using a video recording technique

Operation, Analysis, and Design of Signalized Intersections

Author : Michael Kyte
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781500204365
Total Pages : 0 pages
Book Rating : 4.2/5 (43 download)

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Book Synopsis Operation, Analysis, and Design of Signalized Intersections by : Michael Kyte

Download or read book Operation, Analysis, and Design of Signalized Intersections written by Michael Kyte and published by Createspace Independent Publishing Platform. This book was released on 2014-07-04 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Before they begin their university studies, most students have experience with traffic signals, as drivers, pedestrians and bicycle riders. One of the tasks of the introductory course in transportation engineering is to portray the traffic signal control system in a way that connects with these experiences. The challenge is to reveal the system in a simple enough way to allow the student "in the door," but to include enough complexity so that this process of learning about signalized intersections is both challenging and rewarding. We have approached the process of developing this module with the following guidelines: * Focusing on the automobile user and pretimed signal operation allows the student to learn about fundamental principles of a signalized intersection, while laying the foundation for future courses that address other users (pedestrians, bicycle riders, public transit operators) and more advanced traffic control schemes such as actuated control, coordinated signal systems, and adaptive control. * Queuing models are presented as a way of learning about the fundamentals of traffic flow at a signalized intersection. A graphical approach is taken so that students can see how flow profile diagrams, cumulative vehicle diagrams, and queue accumulation polygons are powerful representations of the operation and performance of a signalized intersection. * Only those equations that students can apply with some degree of understanding are presented. For example, the uniform delay equation is developed and used as a means of representing intersection performance. However, the second and third terms of the Highway Capacity Manual delay equation are not included, as students will have no basis for understanding the foundation of these terms. * Learning objectives are clearly stated at the beginning of each section so that the student knows what is to come. At the end of each section, the learning objectives are reiterated along with a set of concepts that students should understand once they complete the work in the section. * Over 70 figures are included in the module. We believe that graphically illustrating basic concepts is an important way for students to learn, particularly for queuing model concepts and the development of the change and clearance timing intervals. * Over 50 computational problems and two field exercises are provided to give students the chance to test their understanding of the material. The sequence in which concepts are presented in this module, and the way in which more complex ideas build on the more fundamental ones, was based on our study of student learning in the introductory course. The development of each concept leads to an element in the culminating activity: the design and evaluation of a signal timing plan in section 9. For example, to complete step 1 of the design process, the student must learn about the sequencing and control of movements, presented in section 3 of this module. But to determine split times, step 6 of the design process, four concepts must be learned including flow (section 2), sequencing and control of movements (section 3), sufficiency of capacity (section 6), and cycle length and splits (section 8). Depending on the pace desired by the instructor, this material can be covered in 9 to 12 class periods.

A DDDAS-Based Multi-Scale Framework for Pedestrian Behavior Modeling and Interactions with Drivers

Author : Hui Xi
Publisher :
ISBN 13 :
Total Pages : 225 pages
Book Rating : 4.:/5 (867 download)

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Book Synopsis A DDDAS-Based Multi-Scale Framework for Pedestrian Behavior Modeling and Interactions with Drivers by : Hui Xi

Download or read book A DDDAS-Based Multi-Scale Framework for Pedestrian Behavior Modeling and Interactions with Drivers written by Hui Xi and published by . This book was released on 2013 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multi-scale agent-based simulation framework is firstly proposed to analyze pedestrian delays at signalized crosswalks in large urban areas under different conditions. The aggregated-level model runs under normal conditions, where each crosswalk is represented as an agent. Pedestrian counts collected near crosswalks are utilized to derive the binary choice probability from a utility maximization model. The derived probability function is utilized based on the extended Adam's model to estimate an average pedestrian delay with corresponding traffic flow rate and traffic light control at each crosswalk. When abnormality is detected, the detailed-level model with each pedestrian as an agent is running in the affected subareas. Pedestrian decision-making under abnormal conditions, physical movement, and crowd congestion are considered in the detailed-level model. The detailed-level model contains two sub-level models: the tactical sub-level model for pedestrian route choice and the operational sub-level model for pedestrian physical interactions. The tactical sub-level model is based on Extended Decision Field Theory (EDFT) to represent the psychological preferences of pedestrians with respect to different route choice options during their deliberation process after evaluating current surroundings. At the operational sub-level model, physical interactions among pedestrians and consequent congestions are represented using a Cellular Automata model, in which pedestrians are allowed biased random-walking without back step towards their destination that has been given by the tactical sub-level model. In addition, Dynamic-Data-Driven Application Systems (DDDAS) architecture has been integrated with the proposed multi-scale simulation framework for an abnormality detection and appropriate fidelity selection (between the aggregate level and the detailed level models) during the simulation execution process. Various experiments have been conducted under varying conditions with the scenario of a Chicago Loop area to demonstrate the advantage of the proposed framework, balancing between computational efficiency and model accuracy. In addition to the signalized intersections, pedestrian crossing behavior under unsignalized conditions which has been recognized as a main reason for pedestrian-vehicle crashes has also been analyzed in this dissertation. To this end, an agent-based model is proposed to mimic pedestrian crossing behavior together with drivers' yielding behavior in the midblock crossing scenario. In particular, pedestrian-vehicle interaction is first modeled as a Two-player Pareto game which develops evaluation of strategies from two aspects, delay and risk, for each agent (i.e. pedestrian and driver). The evaluations are then used by Extended Decision Field Theory to mimic decision making of each agent based on his/her aggressiveness and physical capabilities. A base car-following algorithm from NGSIM is employed to represent vehicles' physical movement and execution of drivers' decisions. A midblock segment of a typical arterial in the Tucson area is adopted to illustrate the proposed model, and the model for the considered scenario has been implemented in AnyLogic® simulation software. Using the constructed simulation, experiments have been conducted to analyze different behaviors of pedestrians and drivers and the mutual impact upon each other, i.e. average pedestrian delay resulted from different crossing behaviors (aggressive vs. conservative), and average braking distance which is affected by driving aggressiveness and drivers' awareness of pedestrians. The results look interesting and are believed to be useful for improvement of pedestrians' safety during their midblock crossing. To the best of our knowledge, the proposed multi-scale modeling framework for pedestrians and drivers is one of the first efforts to estimate pedestrian delays in an urban area with adaptive resolution based on demand and accuracy requirement, as well as to address pedestrian-vehicle interactions under unsignalized conditions.

Models of Pedestrian Crossing Behavior at Signalized Intersections

Author : S. Palamarthy
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Models of Pedestrian Crossing Behavior at Signalized Intersections by : S. Palamarthy

Download or read book Models of Pedestrian Crossing Behavior at Signalized Intersections written by S. Palamarthy and published by . This book was released on 1992 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NCHRP Report 562

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis NCHRP Report 562 by :

Download or read book NCHRP Report 562 written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Use of Traffic Conflicts to Estimate Vehicle-pedestrian Safety at Signalized Intersections

Author : Hiba Nassereddine
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)

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Book Synopsis Use of Traffic Conflicts to Estimate Vehicle-pedestrian Safety at Signalized Intersections by : Hiba Nassereddine

Download or read book Use of Traffic Conflicts to Estimate Vehicle-pedestrian Safety at Signalized Intersections written by Hiba Nassereddine and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding how vehicle drivers and pedestrians interact is key to identifying countermeasures that improve the safety of the interactions. As a result, techniques that can be used to evaluate the effectiveness of traffic control device-based safety countermeasures without the need to wait for the availability of crash data are needed. Using video data, the interactions between right-turning vehicles and conflicting pedestrians were documented for sites with a permissive circular green indication or a flashing yellow arrow (FYA) permissive right turn indication and quantified using vehicle and pedestrian position timestamps. Multiple non-probabilistic linear regression models were created to describe the relationship between the position of the pedestrian within the crosswalk and the time for a right turning vehicle maneuver to be completed. Given the nature of the models output, a Pedestrian Respect Indicator (PRI) is introduced as an indicator of the safety of vehicle-pedestrian interactions. The higher the PRI, the more "respect" towards pedestrians. Surrogate safety measures (SSMs) have allowed to step away from traditional approach and analyze safety performance without relying on crash records. In recent years, the use of surrogate measures to estimate crash probabilities with extreme value theory (EVT) models has been an alternative approach to its use as aggregate crash frequency predictors. Univariate and bivariate extreme value theory models were developed using the block maxima (BM) approach and the peak over threshold (POT) approach. In addition, Bayesian hierarchical models were developed for each approach. Using the resulting estimates, the number of crashes was estimated for each model. The estimated crashes from the Bayesian hierarchical models were closer to the observed number of crashes than those from other models. Time to complete a turn produced better fit models indicating that the time to complete a turn is a good representation of traffic interactions. Obtaining SSMs from video data requires complex processing and large video data sizes. A software-based framework to estimate SSMs, such as PET and time-to-collision (TTC) values between right-turn-on-red (RTOR) and through vehicles was proposed and it demonstrated the feasibility of using vehicle trajectories obtained from existing radar-based vehicle detection systems to calculate such measures.

Modeling, Simulation and Visual Analysis of Crowds

Author : Saad Ali
Publisher : Springer Science & Business Media
ISBN 13 : 1461484839
Total Pages : 414 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Modeling, Simulation and Visual Analysis of Crowds by : Saad Ali

Download or read book Modeling, Simulation and Visual Analysis of Crowds written by Saad Ali and published by Springer Science & Business Media. This book was released on 2013-11-22 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last several years there has been a growing interest in developing computational methodologies for modeling and analyzing movements and behaviors of ‘crowds' of people. This interest spans several scientific areas that includes Computer Vision, Computer Graphics, and Pedestrian Evacuation Dynamics. Despite the fact that these different scientific fields are trying to model the same physical entity (i.e. a crowd of people), research ideas have evolved independently. As a result each discipline has developed techniques and perspectives that are characteristically their own. The goal of this book is to provide the readers a comprehensive map towards the common goal of better analyzing and synthesizing the pedestrian movement in dense, heterogeneous crowds. The book is organized into different parts that consolidate various aspects of research towards this common goal, namely the modeling, simulation, and visual analysis of crowds. Through this book, readers will see the common ideas and vision as well as the different challenges and techniques, that will stimulate novel approaches to fully grasping “crowds."

Pedestrian Behavior

Author : Harry Timmermans
Publisher : Emerald Group Publishing
ISBN 13 : 1848557515
Total Pages : 359 pages
Book Rating : 4.8/5 (485 download)

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Book Synopsis Pedestrian Behavior by : Harry Timmermans

Download or read book Pedestrian Behavior written by Harry Timmermans and published by Emerald Group Publishing. This book was released on 2009-11-19 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies of pedestrian behaviour have gained attention in a variety of disciplines. Different technologies have been used to collect data about pedestrian movement patterns. This book aims to document these developments in research and modelling approaches. It includes modelling approaches such as cellular automata models and fluid dynamics.

Traffic Monitoring Guide

Author : United States. Federal Highway Administration. Office of Highway Information Management
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Traffic Monitoring Guide by : United States. Federal Highway Administration. Office of Highway Information Management

Download or read book Traffic Monitoring Guide written by United States. Federal Highway Administration. Office of Highway Information Management and published by . This book was released on 1992 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Masters Theses in the Pure and Applied Sciences

Author : Wade H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1461303931
Total Pages : 427 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer

Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 39 (thesis year 1994) a total of 13,953 thesis titles from 21 Canadian and 159 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 39 reports theses submitted in 1994, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.

Signalized Intersections

Author : Lee August Rodegerdts
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Signalized Intersections by : Lee August Rodegerdts

Download or read book Signalized Intersections written by Lee August Rodegerdts and published by . This book was released on 2004 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide provides a single, comprehensive document with methods for evaluating the safety and operations of signalized intersections and tools to remedy deficiencies. The treatments in this guide range from low-cost measures such as improvements to signal timing and signage, to high-cost measures such as intersection reconstruction or grade separation. Topics covered include fundamental principles of user needs, geometric design, and traffic design and operation; safety and operational analysis techniques; and a wide variety of treatments to address existing or projected problems, including individual movements and approaches, pedestrian and bicycle treatments, and corridor techniques. It also covers alternative intersection forms that improve intersection performance through the use of indirect left turns and other treatments. Each treatment includes a discussion of safety, operational performance, multimodal issues, and physical and economic factors that the practitioner should consider. Although the guide focuses primarily on high-volume signalized intersections, many treatments are applicable for lower volume intersections as well. The information contained in this guide is based on the latest research available on treatments and best practices in use by jurisdictions across the United States. Additional resources and references are highlighted for the student, practitioner, researcher, or decisionmaker who wishes to learn more about a particular subject.

Statistical and Econometric Methods for Transportation Data Analysis

Author : Simon Washington
Publisher : CRC Press
ISBN 13 : 0429520751
Total Pages : 496 pages
Book Rating : 4.4/5 (295 download)

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Book Synopsis Statistical and Econometric Methods for Transportation Data Analysis by : Simon Washington

Download or read book Statistical and Econometric Methods for Transportation Data Analysis written by Simon Washington and published by CRC Press. This book was released on 2020-01-30 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book's website (with databases and other support materials) can be accessed here. Praise for the Second Edition: The second edition introduces an especially broad set of statistical methods ... As a lecturer in both transportation and marketing research, I find this book an excellent textbook for advanced undergraduate, Master’s and Ph.D. students, covering topics from simple descriptive statistics to complex Bayesian models. ... It is one of the few books that cover an extensive set of statistical methods needed for data analysis in transportation. The book offers a wealth of examples from the transportation field. —The American Statistician Statistical and Econometric Methods for Transportation Data Analysis, Third Edition offers an expansion over the first and second editions in response to the recent methodological advancements in the fields of econometrics and statistics and to provide an increasing range of examples and corresponding data sets. It describes and illustrates some of the statistical and econometric tools commonly used in transportation data analysis. It provides a wide breadth of examples and case studies, covering applications in various aspects of transportation planning, engineering, safety, and economics. Ample analytical rigor is provided in each chapter so that fundamental concepts and principles are clear and numerous references are provided for those seeking additional technical details and applications. New to the Third Edition Updated references and improved examples throughout. New sections on random parameters linear regression and ordered probability models including the hierarchical ordered probit model. A new section on random parameters models with heterogeneity in the means and variances of parameter estimates. Multiple new sections on correlated random parameters and correlated grouped random parameters in probit, logit and hazard-based models. A new section discussing the practical aspects of random parameters model estimation. A new chapter on Latent Class Models. A new chapter on Bivariate and Multivariate Dependent Variable Models. Statistical and Econometric Methods for Transportation Data Analysis, Third Edition can serve as a textbook for advanced undergraduate, Masters, and Ph.D. students in transportation-related disciplines including engineering, economics, urban and regional planning, and sociology. The book also serves as a technical reference for researchers and practitioners wishing to examine and understand a broad range of statistical and econometric tools required to study transportation problems.