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Analysis And Evaluation Of Truck Traffic Restrictions And Separation Methods On Interstate Highways Final Report
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Book Synopsis Identifying the Impact of Truck-lane Restriction Strategies on Traffic Flow and Safety Using Simulation by : Qun Liu
Download or read book Identifying the Impact of Truck-lane Restriction Strategies on Traffic Flow and Safety Using Simulation written by Qun Liu and published by . This book was released on 2007 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The continuous growth of freight transportation over recent years has resulted in an increasing proportion of commercial vehicles on our nations' highways which has led to higher truck volumes and more severe truck-related crashes every year. Safety proponents have therefore been advocating for more restrictions to be placed on these commercial vehicles in order to reduce the interaction of these larger vehicles and passenger cars. A popular strategy is the use of different lane restrictions for trucks. However, the effectiveness of these restrictions for trucks differs from case to case due to unique factors of each site, including the type of restriction used, traffic conditions and the geometric characteristics at the site. This has motivated the author to conduct this study to evaluate the impact of these restrictions on traffic operations and safety on freeways with different traffic and geometric characteristics. For the safety evaluation, this research measures the impact of different truck lane restriction strategies (TLRS) using conflict as the measurement of effectiveness (MOE). Conflict has been proven to be highly related to traffic crushes on freeways (FHWA, 1990; Sayed and Zein, 1999; Kaub, 2000). The high frequency of conflicts has also made it possible to collect adequate data for statistical analysis. The MOEs used to evaluate the impact of different lane restrictions on operational performance were lane changes, average speed, speed distribution, and volume distribution. Due to the lack of existing highway locations with different lane restrictions considered in this study, the conflict data were collected using a traffic simulation tool - PARAMICS V3.0 (Quadstone Ltd., 2000), which can simulate the emergent interaction between vehicles but not random crashes on the road network. The effectiveness of different lane restrictions in terms of the above MOEs were evaluated for 14,400 different simulation scenarios by varying lane restriction strategies, traffic conditions (volume, truck percentage) and geometric characteristics (gradient, speed limit, interchange density). The simulation results showed that all the geometric and traffic characteristics had a significant impact on freeway safety and operation. In addition, truck percentage and volume were identified as key factors that had a significant impact on the selection of the optimal truck lane restriction strategy. The ANOVA analyses indicated that the degree of effect of truck lane restriction strategies on safety intensify with the increase in truck percentage and traffic volume. Optimal alternatives of truck lane restriction strategies under different truck percentages and volumes were identified with the objective of reducing traffic conflicts and enhancing LOS (level of service). Guidelines were then developed for the application of truck lane restrictions under alternative traffic and geometric conditions.
Book Synopsis Truck Accommodation Design Guidance: Final Report by : Dan R. Middleton
Download or read book Truck Accommodation Design Guidance: Final Report written by Dan R. Middleton and published by . This book was released on 2003 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monitoring of Texas Vehicle Lane Restrictions by : Darrell W. Borchardt
Download or read book Monitoring of Texas Vehicle Lane Restrictions written by Darrell W. Borchardt and published by . This book was released on 2004 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strategies for Separating Trucks from Passenger Vehicles by :
Download or read book Strategies for Separating Trucks from Passenger Vehicles written by and published by . This book was released on 2006 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research addresses the growing number of trucks in Texas by developing tools for evaluating needs for special truck facilities, developing a truck route system, and developing recommendations for demonstration of a pilot system. Tasks required to accomplish these objectives began with a comprehensive literature review, to include the major corridor studies and an evaluation of special truck facilities implemented outside of Texas. The research then established criteria for each of the three levels of truck treatments, developed a plan to classify truck facilities, and developed an evaluation framework for these facilities. Based on these tasks, the research then investigated techniques for evaluating levels of service on truck facilities. The techniques were then applied to selected candidate corridors to demonstrate their utility. Finally, the research developed an action plan for implementation of the exclusive truck facilities.
Book Synopsis 108-1 Hearing: Truck Safety and Freight Mobility, (108-15), March 24, 2003, * by :
Download or read book 108-1 Hearing: Truck Safety and Freight Mobility, (108-15), March 24, 2003, * written by and published by . This book was released on 2004 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways, Transit, and Pipelines Publisher : ISBN 13 : Total Pages :134 pages Book Rating :4.F/5 ( download)
Book Synopsis Truck Safety and Freight Mobility by : United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways, Transit, and Pipelines
Download or read book Truck Safety and Freight Mobility written by United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways, Transit, and Pipelines and published by . This book was released on 2003 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Federally Coordinated Program of Highway Research and Development by :
Download or read book Federally Coordinated Program of Highway Research and Development written by and published by . This book was released on with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Freeways, High-occupancy Vehicle Systems, and Traffic Signal Systems, 2003 by : National Research Council (U.S.). Transportation Research Board
Download or read book Freeways, High-occupancy Vehicle Systems, and Traffic Signal Systems, 2003 written by National Research Council (U.S.). Transportation Research Board and published by . This book was released on 2003 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Highway Research and Development Studies in Progress as of July 1 1969 Using Federal-aid Research and Planning Funds by :
Download or read book Highway Research and Development Studies in Progress as of July 1 1969 Using Federal-aid Research and Planning Funds written by and published by . This book was released on 1969 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Highway Research and Development Studies Using Federal-aid Research and Planning Funds by :
Download or read book Highway Research and Development Studies Using Federal-aid Research and Planning Funds written by and published by . This book was released on 1969 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Roundabouts by : Lee August Rodegerdts
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.
Book Synopsis A Policy on Design Standards--interstate System by :
Download or read book A Policy on Design Standards--interstate System written by and published by Aashto. This book was released on 2005 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1976 with total page 1194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bridge Integrated Analysis and Decision Support by : Al Bhorbanpoor
Download or read book Bridge Integrated Analysis and Decision Support written by Al Bhorbanpoor and published by . This book was released on 2011 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2004, the Wisconsin Highway Research Program (WHRP) initiated project # 0092-04-15, entitled, "Bridge Integrated Analysis and Decision Support--Case Histories (Phase I)" at the University of Wisconsin-Milwaukee (UWM) to document the existing knowledge related to Wisconsin bridge incidents in the form of a database of case histories. That study was completed in 2007 where for the database for each case study included detailed information on the bridge, past repair and maintenance, description of the events, reporting, and initial and subsequent responses by the responsible parties, and any resulting remediation. The database entitled "Bridge Incident Response Database" (BIRD) is web-based and searchable with "keywords" and it is detailed in the final report (SPR # 0092-04-15) that was published in January 2008.
Book Synopsis A Subject Bibliography from Highway Safety Literature by : United States. National Highway Traffic Safety Administration
Download or read book A Subject Bibliography from Highway Safety Literature written by United States. National Highway Traffic Safety Administration and published by . This book was released on 1976 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gravel Roads written by Ken Skorseth and published by . This book was released on 2000 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
