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Download or read book Economics of Design Standards for Low-volume Rural Roads written by Clarkson Hill Oglesby and published by . This book was released on 1981 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: Clarkson Hill Oglesby
Publisher:
Published: 1969
Total Pages: 112
ISBN-13:
DOWNLOAD EBOOKhe objective of this study is to examine prevailing rural design standards to determine their economic justification. This would evaluate in depth the cost of some of the most significant design practices (for example, roadway and shoulder width and surfacing type). Resulting user benefits, such as operating, accident and time savings would be weighed against the cost of individual features. In addition to the analysis of the user-benefit relationships, the economic and social consequences to local residents, businesses and communities should be studied and a suitable means of including them in the reckoning of warranted levels of improvement should be found.
Download or read book Economics of Design Standards for Low-volume Rural Roads written by Clarkson Hill Oglesby and published by . This book was released on 1969 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: he objective of this study is to examine prevailing rural design standards to determine their economic justification. This would evaluate in depth the cost of some of the most significant design practices (for example, roadway and shoulder width and surfacing type). Resulting user benefits, such as operating, accident and time savings would be weighed against the cost of individual features. In addition to the analysis of the user-benefit relationships, the economic and social consequences to local residents, businesses and communities should be studied and a suitable means of including them in the reckoning of warranted levels of improvement should be found.
Author: American Association of State Highway and Transportation Officials
Publisher: Aashto
Published: 2001
Total Pages: 0
ISBN-13: 9781560511663
DOWNLOAD EBOOKDownload or read book Guidelines for Geometric Design of Very Low-volume Local Roads (ADT [less Than Or Equal to Symbol] 400) written by American Association of State Highway and Transportation Officials and published by Aashto. This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: Aram Kornsombut
Publisher:
Published: 1978
Total Pages: 300
ISBN-13:
DOWNLOAD EBOOKGeometric design standards have not been developed specifically for low volume roads. Design standards and criteria are extrapolated from higher standard roadways that are often not relevant to low volume roads. Safety is a primary criterion used for selection of design standards along with economic, financial, social and environment factors. This study attempts to determine trade-offs of various design standards and designs based on safety and economic criteria. It also summarizes existing geometric design standards that are employed by federal, state and county governments. A methodology for selection of design standards for low volume roads employing safety criteria is developed. The study approach is based on data and relationships from previous research. Accident costs cited by National Safety Council are adopted for analysis. Procedures are developed to determine the balance between design standards and accident costs. Ten-foot lane width and two-foot shoulder width are found to be reasonable for low volume situations. Horizontal and vertical alignments affect safety, vehicle running costs and travel times. Guardrail warrants of low volume roads differ from that of high volume roads. The balance and trade-offs between guardrail installation cost and accident cost expected for a given embankment geometry are evaluated. The balance between a clear zone from the edge of pavement and the accident cost savings has also been developed. It is recommended that a comparison between the accident savings due to roadway improvement and the incremental construction cost must be made to evaluate safety and economy effectively. An approach to evaluate the level of safety relative to design is developed for decision making.
Download or read book Trade-offs Between Geometric Design Standards and Safety for Low Volume Roads written by Aram Kornsombut and published by . This book was released on 1978 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geometric design standards have not been developed specifically for low volume roads. Design standards and criteria are extrapolated from higher standard roadways that are often not relevant to low volume roads. Safety is a primary criterion used for selection of design standards along with economic, financial, social and environment factors. This study attempts to determine trade-offs of various design standards and designs based on safety and economic criteria. It also summarizes existing geometric design standards that are employed by federal, state and county governments. A methodology for selection of design standards for low volume roads employing safety criteria is developed. The study approach is based on data and relationships from previous research. Accident costs cited by National Safety Council are adopted for analysis. Procedures are developed to determine the balance between design standards and accident costs. Ten-foot lane width and two-foot shoulder width are found to be reasonable for low volume situations. Horizontal and vertical alignments affect safety, vehicle running costs and travel times. Guardrail warrants of low volume roads differ from that of high volume roads. The balance and trade-offs between guardrail installation cost and accident cost expected for a given embankment geometry are evaluated. The balance between a clear zone from the edge of pavement and the accident cost savings has also been developed. It is recommended that a comparison between the accident savings due to roadway improvement and the incremental construction cost must be made to evaluate safety and economy effectively. An approach to evaluate the level of safety relative to design is developed for decision making.
Download or read book Urban Transportation Research and Planning, Current Literature written by and published by . This book was released on 1968 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: National Research Council (U.S.). Highway Research Board
Publisher:
Published: 1968
Total Pages: 216
ISBN-13:
DOWNLOAD EBOOKDownload or read book Special Report - Highway Research Board written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1968 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author:
Publisher:
Published: 1964
Total Pages: 798
ISBN-13:
DOWNLOAD EBOOKIssues for 1963- include section: Urban transportation research digest.
Download or read book Highway Research News written by and published by . This book was released on 1964 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues for 1963- include section: Urban transportation research digest.
Author: United States. Congress. House. Committee on Agriculture. Subcommittee on Conservation, Credit, and Rural Development
Publisher:
Published: 1990
Total Pages: 1900
ISBN-13:
DOWNLOAD EBOOKDownload or read book Rural Economic Development written by United States. Congress. House. Committee on Agriculture. Subcommittee on Conservation, Credit, and Rural Development and published by . This book was released on 1990 with total page 1900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: Robert A. Douglas
Publisher: CRC Press
Published: 2018-10-09
Total Pages: 326
ISBN-13: 148221265X
DOWNLOAD EBOOK"Everything that sustains us – grown, mined, or drilled – begins its journey to us on a low-volume road (Long)." Defined as roads with traffic volumes of no more than 400 vehicles per day, they have enormous impacts on economies, communication, and social interaction. Low-volume roads comprise, at one end of the spectrum, farm-to-market roads, roads in developing countries, northern roads, roads on aboriginal lands and parklands; and at the other end of the spectrum, heavy haul roads for mining, oil and gas, oil sands extraction, and forestry. Low-Volume Road Engineering: Design, Construction, and Maintenance gives an international perspective to the engineering design of low-volume roads and their construction and maintenance. It is a single reference drawing from the dispersed literature. It lays out the basic principles of each topic, from road location and geometric design, pavement design, slope stability and erosion control, through construction to maintenance, then refers the reader to more comprehensive treatment elsewhere. Wherever possible, comparisons are made between the standard specifications and practices existing in the US, Canada, the UK, South Africa, Australia and New Zealand. Topics covered include the following: Road classification, location, and geometric design Pavement concepts, materials, and thickness design Drainage, erosion and sediment control, and watercrossings Slope stability Geosynthetics Road construction, maintenance, and maintenance management Low-Volume Road Engineering: Design, Construction, and Maintenance is a valuable reference for engineers, planners, designers and project managers in consulting firms, contracting firms and NGOs. It also is an essential reference in support of university courses on transportation engineering and planning, and on mining, oil and gas, and forestry infrastructure.
Download or read book Low-Volume Road Engineering written by Robert A. Douglas and published by CRC Press. This book was released on 2018-10-09 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Everything that sustains us – grown, mined, or drilled – begins its journey to us on a low-volume road (Long)." Defined as roads with traffic volumes of no more than 400 vehicles per day, they have enormous impacts on economies, communication, and social interaction. Low-volume roads comprise, at one end of the spectrum, farm-to-market roads, roads in developing countries, northern roads, roads on aboriginal lands and parklands; and at the other end of the spectrum, heavy haul roads for mining, oil and gas, oil sands extraction, and forestry. Low-Volume Road Engineering: Design, Construction, and Maintenance gives an international perspective to the engineering design of low-volume roads and their construction and maintenance. It is a single reference drawing from the dispersed literature. It lays out the basic principles of each topic, from road location and geometric design, pavement design, slope stability and erosion control, through construction to maintenance, then refers the reader to more comprehensive treatment elsewhere. Wherever possible, comparisons are made between the standard specifications and practices existing in the US, Canada, the UK, South Africa, Australia and New Zealand. Topics covered include the following: Road classification, location, and geometric design Pavement concepts, materials, and thickness design Drainage, erosion and sediment control, and watercrossings Slope stability Geosynthetics Road construction, maintenance, and maintenance management Low-Volume Road Engineering: Design, Construction, and Maintenance is a valuable reference for engineers, planners, designers and project managers in consulting firms, contracting firms and NGOs. It also is an essential reference in support of university courses on transportation engineering and planning, and on mining, oil and gas, and forestry infrastructure.
Author: Organisation for Economic Co-operation and Development
Publisher: Organisation for Economic Co-operation and Development ; [Washington, D.C. : OECD Publications and Information Centre
Published: 1986
Total Pages: 138
ISBN-13:
DOWNLOAD EBOOKDownload or read book Economic Design of Low-traffic Roads written by Organisation for Economic Co-operation and Development and published by Organisation for Economic Co-operation and Development ; [Washington, D.C. : OECD Publications and Information Centre. This book was released on 1986 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
