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TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 321: Roadway Safety Tools for Local Agencies examines the safety tools and procedures that are practical and relatively easy to apply, and that can be implemented by agencies with limited financial support and personnel. Recognizing the wide variation in the operations and responsibilities of local agencies, the report acknowledges that the level of expertise in transportation safety analysis also varies greatly.
Intended to assist agencies responsible for incident management activities on public roadways to improve their programs and operations.Organized into three major sections: Introduction to incident management; organizing, planning, designing and implementing an incident management program; operational and technical approaches to improving the incident management process.
This Report addresses the key issues surrounding traffic speed management and highlights the improvements in policy and operations needed to reduce the extent of speeding.
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 336: Road Safety Audits examines the state of the practice of road safety audit (RSA) and road safety audit review applications for U.S. states and Canadian provinces. This synthesis also reviews international RSA practices. RSAs were first introduced in the United Kingdom more than 20 years ago and have been applied in New Zealand and Australia since the 1990s.
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.
In an increasingly globalised world, despite reductions in costs and time, transportation has become even more important as a facilitator of economic and human interaction; this is reflected in technical advances in transportation systems, increasing interest in how transportation interacts with society and the need to provide novel approaches to understanding its impacts. This has become particularly acute with the impact that Covid-19 has had on transportation across the world, at local, national and international levels. Encyclopedia of Transportation, Seven Volume Set - containing almost 600 articles - brings a cross-cutting and integrated approach to all aspects of transportation from a variety of interdisciplinary fields including engineering, operations research, economics, geography and sociology in order to understand the changes taking place. Emphasising the interaction between these different aspects of research, it offers new solutions to modern-day problems related to transportation. Each of its nine sections is based around familiar themes, but brings together the views of experts from different disciplinary perspectives. Each section is edited by a subject expert who has commissioned articles from a range of authors representing different disciplines, different parts of the world and different social perspectives. The nine sections are structured around the following themes: Transport Modes; Freight Transport and Logistics; Transport Safety and Security; Transport Economics; Traffic Management; Transport Modelling and Data Management; Transport Policy and Planning; Transport Psychology; Sustainability and Health Issues in Transportation. Some articles provide a technical introduction to a topic whilst others provide a bridge between topics or a more future-oriented view of new research areas or challenges. The end result is a reference work that offers researchers and practitioners new approaches, new ways of thinking and novel solutions to problems. All-encompassing and expertly authored, this outstanding reference work will be essential reading for all students and researchers interested in transportation and its global impact in what is a very uncertain world. Provides a forward looking and integrated approach to transportation Updated with future technological impacts, such as self-driving vehicles, cyber-physical systems and big data analytics Includes comprehensive coverage Presents a worldwide approach, including sets of comparative studies and applications
TRB Special Report 289: Building the Road Safety Profession in the Public Sector examines the growing need for experts at all levels of government to develop and implement systems- and science-based approaches to road safety management. According to the committee that authored the report, the lack of professional recognition and comprehensive road safety education and training opportunities is threatening the ability of public agencies to build the knowledgeable and skilled road safety workforce that is needed to make safety advances. To address this need, the report recommends that the American Association of State Highway and Transportation Officials and the Governors Highway Safety Association forge a broad-based alliance of public, private, and educational organizations to champion the road safety profession. The report recommends that the alliance encourage states to take advantage of federal workforce training funds for the purpose of developing road safety professionals and to advocate comprehensive road safety education and training by universities, including the many publicly funded transportation and safety research centers. In addition, the report urges the alliance to explore the creation of one or more specialized institutes to provide comprehensive instruction and training for road safety professionals.
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 414: Effective Delivery of Small-Scale Federal-Aid Projects examines streamlined methods for meeting federal funding requirements for small-scale highway projects. The report explores ways that state departments of transportation work with local agencies to implement small projects eligible for federal funding. Appendix G to NCHRP Synthesis 414 is available only in the pdf version of the report.