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Author : R. M. Kimber
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (359 download)
Download or read book The Traffic Capacity of Roundabouts written by R. M. Kimber and published by . This book was released on 1980 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lee August Rodegerdts
Publisher : Transportation Research Board
ISBN 13 : 0309155118
Total Pages : 407 pages
Book Rating : 4.3/5 (91 download)
Download or read book Roundabouts written by Lee August Rodegerdts and published by Transportation Research Board. This book was released on 2010 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 672: Roundabouts: An Informational Guide - Second Edition explores the planning, design, construction, maintenance, and operation of roundabouts. The report also addresses issues that may be useful in helping to explain the trade-offs associated with roundabouts. This report updates the U.S. Federal Highway Administration's Roundabouts: An Informational Guide, based on experience gained in the United States since that guide was published in 2000.
Author : Raffaele Mauro
Publisher : Springer Science & Business Media
ISBN 13 : 3642045510
Total Pages : 168 pages
Book Rating : 4.6/5 (42 download)
Download or read book Calculation of Roundabouts written by Raffaele Mauro and published by Springer Science & Business Media. This book was released on 2010-03-10 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Roundabouts have become one of the most significant traffic control measures because they are generally statistically safer and more efficient than traditional at grade intersections. This book is dedicated to the evaluation of the operating conditions of roundabouts. In five parts, it thoroughly illustrates the calculation of the capacity, including reliability, and waiting phenomena parameters, such as the times spent in the system and queue lengths. Fully worked examples are included throughout the chapters, with detailed explanations.
Author : J. G. Wardrop
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (229 download)
Download or read book The Traffic Capacity of Weaving Sections in Roundabouts written by J. G. Wardrop and published by . This book was released on 1957 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lee Rodegerdts
Publisher : Transportation Research Board
ISBN 13 : 0309098742
Total Pages : 125 pages
Book Rating : 4.3/5 (9 download)
Download or read book Roundabouts in the United States written by Lee Rodegerdts and published by Transportation Research Board. This book was released on 2007 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Research sponsored by the American Association of State Highway and Transporation Officials in cooperation with the Federal Highway Administration."
Author : Richard J. Salter
Publisher : Palgrave
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.3/5 (555 download)
Download or read book Traffic Engineering written by Richard J. Salter and published by Palgrave. This book was released on 1989 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing need to make the best use of the existing highway network has led to the widespread application of traffic engineering techniques in most urban areas of the developed world.
Author : Tomaž Tollazzi
Publisher : Springer
ISBN 13 : 3319090844
Total Pages : 214 pages
Book Rating : 4.3/5 (19 download)
Download or read book Alternative Types of Roundabouts written by Tomaž Tollazzi and published by Springer. This book was released on 2014-11-07 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a history of roundabouts, an introduction to their design, calculations of their capacity and traffic-safety features. It describes the key features of standard roundabouts and their limitations. Alternative types of roundabouts are a fairly recent development and have only been implemented in a few countries to date. The book illustrates a broad variety of these recent alternative types of roundabouts, as well as proposed types still in the development phase, explaining for each the specific needs it meets, its advantages and drawbacks. In closing, the book offers an outlook on the role of roundabouts in future street traffic.
Author : Bruce W. Robinson
Publisher :
ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.:/5 (1 download)
Download or read book Roundabouts written by Bruce W. Robinson and published by . This book was released on 1999 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: The guidance supplied in this document, Roundabouts: an informational guide, is based on established international and U.S. practices and is supplemented by recent research. The guide is comprehensive in recognition of the diverse needs of transportation professionals and the public for introductory material through design detail, as well as the wide range of potential applications of roundabout intersections. The following topics are addressed: definition of a roundabout and what distinguishes roundabouts from traffic circles; public acceptance and legal issues associated with roundabouts; consideration of all user modes, including heavy vehicles, buses, transit, bicycles, and pedestrians; a methodology for identifying appropriate sites for roundabouts and the range of conditions for which roundabouts offer optimal performance: methodologies for estimating roundabout capacity, delays, and queues with reference to the Highway Capacity Manual; design principles and guidance on safety and geometric design, with reference to applicable national standards such as the AASHTO Policy on Geometric Design of Highways and Streets; guidelines for control features such as signing and pavement markings, with reference to the Manual on Uniform Traffic Control Devices; illumination; and landscaping.
Author : Abdullah Ayed F. Alqahtani
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (11 download)
Download or read book Comparative Analysis of Roundabout Capacity Analysis Methods written by Abdullah Ayed F. Alqahtani and published by . This book was released on 2019 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: According to the Washington State Department of Transportation (WSDOT), the use of roundabouts has been increasing due to its numerous benefits. Compared to other types of intersection (conventional) controls, a roundabout improves traffic safety, reduces delays, lessens the severity of crashes, improves traffic flow, and minimizes maintenance costs. The Federal Highway Administration (FHWA) report that in some previous study findings the injury and fatality crashes were reduced by 78-82% after converting signalized intersections to roundabouts. This study used data from the City of Fairborn, Ohio, for a project where they were preparing to replace a 50-years old signalized intersection (at Kauffman Avenue and Colonel Glenn Highway) with a modern roundabout. This signalized intersection experienced 18 crashes between 2013 and 2015. The modern roundabout was scheduled to be constructed in 2019 by the City of Fairborn, and it was designed with three legs (similar to the existing intersection layout), with three entries, three exits, and one circulating lane. Two software programs were used in this study, which are RODEL and Highway Capacity Software (HCS7), and two manual methods were also used, which are 2010 Federal Highway Administration method (Roundabouts: An Informational Guide) and 2016 Highway Capacity Manual (HCM 6). The main aim of this study was to compare capacity analysis results to the same data inputs among all methods. The results from this study are helpful in explaining the performance of each method and provide an understanding of analyzing roundabout capacity. The comparative results for each method include capacity, volume-to-capacity ratio, control delay, level of service (LOS), 95th percentile queue length for each approach/lane, and the entire intersection control delay and LOS. The results show that RODEL (geometric model) predicted the largest capacity, the smallest volume-to-capacity, the lowest delay, the best LOS, the shortest 95% queue length, and the lowest delay and best LOS for entire intersection. This supports the conclusions of previous studies. The FHWA 2010 results were quite the opposite; estimated the lowest capacity for the same traffic and geometric inputs, largest queues, delays and volume-to-capacity ratio. The results from HCS7, 2016 HCM (HCM 6), 2010 FHWA and RODEL (HCM 2016 model) were similar because they use the same methodology. HCS7 software automates the HCM6 methodologies.
Author : Werner Brilon
Publisher : Springer Science & Business Media
ISBN 13 : 3642845371
Total Pages : 371 pages
Book Rating : 4.6/5 (428 download)
Download or read book Intersections without Traffic Signals II written by Werner Brilon and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: In March 1988, an international workshop on intersections without traffic signals was held at the Ruhr-University in Bochum, Germany. The proceedings of this workshop were published by Springer 1). The workshop was performed in a very harmonious atmosphere, which stimulated the experts from different countries to communicate and exchange their ideas and experiences. The presentations and the written contributions documented the present state of technical solutions for design and engineering of unsi gnalized intersections both regarding scientific research and practical applications. Moreover, numerous unsolved problems were identified. Thus, the 1988 workshop stimulated new developments in the field of unsignalized inter sections in several countries. In the meantime, these investigations have lead to a remarkable progress. For example in Germany a new guideline for unsignalized cross intersections and T-junctions has been finished and is going to be introduced in 1991. New results on roundabout capacity have been worked out as well. Many particularly important developments were made in foreign countries. Especially in the United States, an increasing interest in this subject can be observed. In the annual meetings of the TRB, this item received great attention. Many research institutes in North America have concentrated their activities on that point. A new TRB-circular concerning unsignalized intersections is going to be published. It will contain a new procedure for four-way-stop-control intersections, which seems to be a special feature of North American traffic engineering. However, new results from the US for two-way-stop control intersections are available as well.
Author : Andrew Tarko
Publisher :
ISBN 13 : 9781622603787
Total Pages : pages
Book Rating : 4.6/5 (37 download)
Download or read book Evaluation of Alternative Intersections and Interchanges written by Andrew Tarko and published by . This book was released on 2015-12-31 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Road Research Laboratory
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (469 download)
Download or read book Annotated Bibliography on the Traffic Capacity of Roads and Roundabouts written by Road Research Laboratory and published by . This book was released on 1958 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ranjith Dissanayake
Publisher : Springer Nature
ISBN 13 : 9811572224
Total Pages : 609 pages
Book Rating : 4.8/5 (115 download)
Download or read book ICSECM 2019 written by Ranjith Dissanayake and published by Springer Nature. This book was released on 2020-09-18 with total page 609 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights current research and developments in the area of Structural Engineering and Construction Management, which are important disciplines in Civil Engineering. It covers the following topics and categories of Structural Engineering. The main chapters/sections of the proceedings are Structural and Solid Mechanics, Construction Materials, Systems and Management, Loading Effects, Construction Safety, Architecture & Architectural Engineering, Coastal Engineering, Foundation engineering, Materials, Sustainability. The content of this book provides necessary knowledge for construction management practices, new tools and technologies on local and global levels in civil engineering which can mitigate the negative effects of built environment.
Author : Rod Troutbeck
Publisher :
ISBN 13 :
Total Pages : 250 pages
Book Rating : 4.6/5 (265 download)
Download or read book Traffic Operations at Intersections written by Rod Troutbeck and published by . This book was released on 2020-06-03 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traffic Operations at Intersections: Learning and Applying the Models and Methods of the Highway Capacity Manual Chapters on all-way stop-controlled intersections, two-way stop-controlled intersections, and signalized intersections Designed for practicing transportation engineers and university seniors and graduate students 11 simplified scenarios to open-up your understanding of the HCM 43 example calculations that are fully worked out and explained in detail 7 computational engines that allow you to see inside and then apply the models 138 figures to clearly illustrate concepts Additional problems online The models of the Highway Capacity Manual (HCM) are often the engineer's choice to analyze intersection performance. These models are complex, and nearly all transportation engineers use software implementations of these models to conduct their analyses. Software applications are powerful tools that help engineers solve problems. But these applications also serve as barriers to the understanding of the complex models embedded in the software. Our major objective in writing this book is to transform the "black box" of the HCM intersection models, and their software implementations, into a "clear box" that allows the engineer to better understand how these models work. We do this through the idea of the "simplified scenario." The eleven scenarios that we present are based on conditions greatly simplified from what you would normally see in the field. By focusing on one concept at a time, in the context of these simplified conditions, you will better understand the fundamentals of the HCM intersection models. You will then be able to apply these models to more complex intersections with skill, confidence, and insight.
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 : Rahmi Akc̜elik
Publisher :
ISBN 13 : 9780869107621
Total Pages : 151 pages
Book Rating : 4.1/5 (76 download)
Download or read book Roundabouts written by Rahmi Akc̜elik and published by . This book was released on 1998 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marco Guerrieri
Publisher : Springer Nature
ISBN 13 : 3030607232
Total Pages : 196 pages
Book Rating : 4.0/5 (36 download)
Download or read book A Concise Introduction to Traffic Engineering written by Marco Guerrieri and published by Springer Nature. This book was released on 2020-12-14 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a selection of fundamental topics of traffic engineering useful for highways facilities design and control. The treatment is concise but it does not neglect to examine the most recent and crucial theoretical aspects which are at the root of numerous highway engineering applications, like, for instance, the essential aspects of highways traffic stream reliability calculation and automated highway systems control. In order to make these topics easy to follow, several illustrative worked examples of applications are provided in great detail. An intuitive and discursive, rather than formal, style has been adopted throughout the contents. As such, the book offers up-to-date and practical knowledge on several aspects of traffic engineering, which is of interest to a wide audience including students, researchers as well as transportation planners, public transport specialists, city planners and decision-makers.
