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Capacity And Operational Effects Of Midblock Left Turn Lanes
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Book Synopsis Capacity and Operational Effects of Midblock Left-turn Lanes by : James A. Bonneson
Download or read book Capacity and Operational Effects of Midblock Left-turn Lanes written by James A. Bonneson and published by Transportation Research Board. This book was released on 1997 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research project was to develop a methodology for evaluating alternative midblock left-turn treatments on urban and suburban arterials. The methodology had to be applicable to three common midblock left-turn treatments: the raised-curb median, the flush median with two-way left-turn lane (TWLTL) delineation, and the undivided cross section. The methodology developed for this research focuses on the evaluation of midblock street segments on urban and suburban arterials. The basis for NCHRP Report 395.
Book Synopsis National Cooperative Highway Research Program Report by :
Download or read book National Cooperative Highway Research Program Report written by and published by . This book was released on 1964 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Impacts of Access Management Techniques by : Jerome S. Gluck
Download or read book Impacts of Access Management Techniques written by Jerome S. Gluck and published by Transportation Research Board. This book was released on 1999 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Facilities Development Manual by : Wisconsin. Department of Transportation
Download or read book Facilities Development Manual written by Wisconsin. Department of Transportation and published by . This book was released on 1979 with total page 1078 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Operational Impacts of Median Width on Larger Vehicles by : Douglas W. Harwood
Download or read book Operational Impacts of Median Width on Larger Vehicles written by Douglas W. Harwood and published by Transportation Research Board. This book was released on 2000 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis report will be of interest to officials and staff of municipal, regional, and statewide transportation agencies responsible for roadway design and traffic control. It will be of special interest to those concerned with intersections and driveways on divided highways where larger vehicles encounter narrow medians. It will also be of interest to other professionals who interact with these agencies to mitigate such problems. This report presents state-of-the-practice information about current median design policies and practices, describes the traffic operational and safety problems encountered in designing for larger vehicles at divided highway intersections, and identifies alternative improvement techniques that can be used in new construction or reconstruction projects to avoid introducing traffic operational and safety problems. This TRB report focuses on 10 alternative cross sections widely used on arterial highways in urban, suburban, and rural environment.
Author :American Association of State Highway and Transportation Officials Publisher :AASHTO ISBN 13 :1560515082 Total Pages :907 pages Book Rating :4.5/5 (65 download)
Book Synopsis A Policy on Geometric Design of Highways and Streets, 2011 by : American Association of State Highway and Transportation Officials
Download or read book A Policy on Geometric Design of Highways and Streets, 2011 written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 2011 with total page 907 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Safety of U-turns at Unsignalized Median Openings by : Ingrid B. Potts
Download or read book Safety of U-turns at Unsignalized Median Openings written by Ingrid B. Potts and published by Transportation Research Board. This book was released on 2004 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Report 524: Safety of U-Turns at Unsignalized Median Openings includes recommended guidelines for locating and designing unsignalized median openings, and a methodology for comparing the relative safety performance of different designs"--Publisher's description.
Book Synopsis State of the Practice in Highway Access Management by : Jerome S. Gluck
Download or read book State of the Practice in Highway Access Management written by Jerome S. Gluck and published by Transportation Research Board. This book was released on 2010 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis reports how various agencies have acted on the various components of an access management program, what have been barriers to action, and how new efforts might improve implementation of access management strategies. Primary focus areas considered are legal and legislative bases, contents of policies and programs, implementation aspects, reported effectiveness of program implementation, and profiles of contemporary practice. This synthesis reports on the state of the practice with respect to planning, highway design, development review and permitting, and other focus areas where access management is typically incorporated. The emphasis is placed on states, but counties, municipalities, and metropolitan planning organizations are also considered.
Author :ITE (Institute of Transportation Engineers) Publisher :John Wiley & Sons ISBN 13 :1118762304 Total Pages :688 pages Book Rating :4.1/5 (187 download)
Book Synopsis Traffic Engineering Handbook by : ITE (Institute of Transportation Engineers)
Download or read book Traffic Engineering Handbook written by ITE (Institute of Transportation Engineers) and published by John Wiley & Sons. This book was released on 2016-01-26 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get a complete look into modern traffic engineering solutions Traffic Engineering Handbook, Seventh Edition is a newly revised text that builds upon the reputation as the go-to source of essential traffic engineering solutions that this book has maintained for the past 70 years. The updated content reflects changes in key industry standards, and shines a spotlight on the needs of all users, the design of context-sensitive roadways, and the development of more sustainable transportation solutions. Additionally, this resource features a new organizational structure that promotes a more functionally-driven, multimodal approach to planning, designing, and implementing transportation solutions. A branch of civil engineering, traffic engineering concerns the safe and efficient movement of people and goods along roadways. Traffic flow, road geometry, sidewalks, crosswalks, cycle facilities, shared lane markings, traffic signs, traffic lights, and more—all of these elements must be considered when designing public and private sector transportation solutions. Explore the fundamental concepts of traffic engineering as they relate to operation, design, and management Access updated content that reflects changes in key industry-leading resources, such as the Highway Capacity Manual (HCM), Manual on Uniform Traffic Control Devices (MUTCD), AASSHTO Policy on Geometric Design, Highway Safety Manual (HSM), and Americans with Disabilities Act Understand the current state of the traffic engineering field Leverage revised information that homes in on the key topics most relevant to traffic engineering in today's world, such as context-sensitive roadways and sustainable transportation solutions Traffic Engineering Handbook, Seventh Edition is an essential text for public and private sector transportation practitioners, transportation decision makers, public officials, and even upper-level undergraduate and graduate students who are studying transportation engineering.
Book Synopsis Impacts on Safety of Left-turn Treatment at High Speed Signalized Intersections by : T. H. Maze
Download or read book Impacts on Safety of Left-turn Treatment at High Speed Signalized Intersections written by T. H. Maze and published by . This book was released on 1994 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Left-turning traffic is a major source of conflicts at intersections. Though an average of only 10% to 15% of all approach traffic turns left, these vehicles are involved in approximately 45% of all accidents. This report presents the results of research conducted to develop models which estimate approach accident rates at high speed signalized intersections. The objective of the research was to quantify the relationship between traffic and intersection characteristics, and accident potential of different left turn treatments. Geometric, turning movement counts, and traffic signal phasing data were collected at 100 intersections in Iowa using a questionnaire sent to municipalities. Not all questionnaires resulted in complete data and ultimately complete data were derived for 63 intersections providing a database of 248 approaches. Accident data for the same approaches were obtained from the Iowa Department of Transportation Accident Location and Analysis System (ALAS). Regression models were developed for two different dependent variables: 1) the ratio of the number of left turn accidents per approach to million left turning vehicles per approach, and 2) the ratio of accidents per approach to million traffic movements per approach. A number of regression models were developed for both dependent variables. One model using each dependent variable was developed for intersections with low, medium, and high left turning traffic volumes. As expected, the research indicates that protected left turn phasing has a lower accident potential than protected/permitted or permitted phasing. Left turn lanes and multiple lane approaches are beneficial for reducing accident rates, while raised medians increase the likelihood of accidents. Signals that are part of a signal system tend to have lower accident rates than isolated signals. The resulting regression models may be used to determine the likely impact of various left turn treatments on intersection accident rates. When designing an intersection approach, a traffic engineer may use the models to estimate the accident rate reduction as a result of improved lane configurations and left turn treatments. The safety benefits may then be compared to any costs associated with operational effects to the intersection (i.e., increased delay) to determine the benefits and costs of making intersection safety improvements.
Book Synopsis Operational Analysis of Bus Lanes on Arterials by : Kevin St. Jacques
Download or read book Operational Analysis of Bus Lanes on Arterials written by Kevin St. Jacques and published by Transportation Research Board. This book was released on 1997 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains guidelines for estimating bus lane capacities and speeds along arterial streets. It recommends level-of-service thresholds for buses based on speed, and it presents procedures for estimating the speed of buses using dedicated bus lanes on arterial streets.
Book Synopsis Progress Report by : National Cooperative Highway Research Program
Download or read book Progress Report written by National Cooperative Highway Research Program and published by . This book was released on 2002 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Operational Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lanes) as an Alternative to Direct Left Turns by :
Download or read book Operational Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lanes) as an Alternative to Direct Left Turns written by and published by . This book was released on 2005 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Accident Modification Factors for Traffic Engineering and ITS Improvements by : David L. Harkey
Download or read book Accident Modification Factors for Traffic Engineering and ITS Improvements written by David L. Harkey and published by Transportation Research Board. This book was released on 2008 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB¿s National Cooperative Highway Research Program (NCHRP) Report 617: Accident Modification Factors for Traffic Engineering and ITS Improvements explores the development of accident modification factors (AMFs) for traffic engineering and intelligent transportation system improvements. AMFs, also known as crash reduction factors, are designed to provide a simple and quick way of estimating the safety impacts of various types of engineering improvements, encompassing the areas of signing, alignment, channelization, and other traffic engineering solutions.
Book Synopsis Operational Effects of Non-traversable Medians and Two-way Left-turn Lanes by : Mohan Muralidhar Venigalla
Download or read book Operational Effects of Non-traversable Medians and Two-way Left-turn Lanes written by Mohan Muralidhar Venigalla and published by . This book was released on 1990 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Operational Capacity of Three-lane Cross-sections by : Joseph E. Hummer
Download or read book Operational Capacity of Three-lane Cross-sections written by Joseph E. Hummer and published by . This book was released on 2000 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this research project were to provide easy-to-use guidance allowing NC DOT personnel to estimate the operational capacity (level of service) and the expected reported collision rates of two-lane, three-lane, and undivided four-lane cross-sections between signalized intersections for various levels of roadside development.
Book Synopsis Effective Utilization of Street Width on Urban Arterials by : Douglas W. Harwood
Download or read book Effective Utilization of Street Width on Urban Arterials written by Douglas W. Harwood and published by Transportation Research Board. This book was released on 1990 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
