Traffic Pattern Assessment and Road User Delay Costs Resulting from Roadway Construction Options PDF Download
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Author:
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ISBN:
Category : Highway capacity
Languages : en
Pages : 28
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Book Description
This report summarizes the improved data base and analysis tools developed as part of Study 1108 for analyzing the travel impacts of freeway maintenance and reconstruction activities. The data base includes the travel impacts of 12 urban freeway reconstruction projects (six in Texas and six outside Texas), the safety impacts of 5 urban freeway reconstruction projects in Texas, the traffic-handling capacities of 33 short-term freeway work zone lane closures, and the diversion characteristics at 11 short-term freeway work zone closures. The analysis tools developed include new procedures for estimating short-term freeway work zone lane closure capacity and a new version of the QUEWZ model named QUEWZ-92.
Author:
Publisher:
ISBN:
Category : Highway capacity
Languages : en
Pages : 28
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Book Description
This report summarizes the improved data base and analysis tools developed as part of Study 1108 for analyzing the travel impacts of freeway maintenance and reconstruction activities. The data base includes the travel impacts of 12 urban freeway reconstruction projects (six in Texas and six outside Texas), the safety impacts of 5 urban freeway reconstruction projects in Texas, the traffic-handling capacities of 33 short-term freeway work zone lane closures, and the diversion characteristics at 11 short-term freeway work zone closures. The analysis tools developed include new procedures for estimating short-term freeway work zone lane closure capacity and a new version of the QUEWZ model named QUEWZ-92.
Author:
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Category : Road work zones
Languages : en
Pages : 4
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Book Description
Historically, the Ohio Department of Transportation (ODOT) has used QUEWZ to estimate road capacities for proposed lane closures which fall outside of the Permitted Lane Closure Map, as per Policy No. 21-008(P). The resulting capacity is included in the process for predicting queue lengths outlined in Section 640-13.2 of ODOT's Traffic Engineering Manual. QUEWZ is also identified in ODOT's Innovative Contracting Manual to estimate the capacities for calculating road user costs. The current problem is that QUEWZ is not compatible with current versions of Windows and no longer supported by the developer. Therefore, ODOT needs a replacement for QUEWZ. A new queue analysis tool was developed to meet the needs of the ODOT District Work Zone Traffic Managers for conducting queue length analyses. It is based on the 2010 Highway Capacity Manual capacity formulation for short term work zones and estimates the size and length of the queue and the associated delay for up to 24, 1 hour time intervals. A new road user cost tool was also developed, which calculates the travel costs, operating costs and crash costs of roadway construction projects, suitable for establishing monetary incentives for innovative contracting methods. These tools replace the use of QUEWZ and two existing ODOT spreadsheets.
Author: E. Nels Burns
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 768
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Book Description
Author: David Leonard Lewis
Publisher: Transportation Research Board
ISBN: 9780309068222
Category : Business & Economics
Languages : en
Pages : 60
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Book Description
This synthesis report will be of interest to transportation agency planners; design, construction, and maintenance engineers; and administrators, managers, economists, and other decisionmakers involved in programming highway pavement projects. This synthesis describes current practice with regard to road user and mitigation costs in highway pavement projects. Information for the synthesis was collected by surveying U.S. and Canadian transportation agencies and by conducting a literature search of both domestic and foreign publications. This report of the Transportation Research Board provides detailed information on the various methods employed by transportation agencies to estimate user costs. The advantages and disadvantages of each are reported. Information on the various components of user costs (that is, time related, vehicle operating, safety, and environmental costs) is also included. In addition, the study reports on the various mitigation strategies available to agencies to reduce user costs. Information is also provided on how user costs and mitigation strategies have been applied to evaluate different alternatives; and how uncertainties, political considerations, and quality control contribute to the decisionmaking process.
Author: Ken Skorseth
Publisher:
ISBN:
Category : Gravel roads
Languages : en
Pages : 112
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Book Description
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.
Author:
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Category : Concrete
Languages : en
Pages : 264
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Book Description
This report represents nearly 6 years of collaboration among Federal Highway Administration (FHWA), State, and American Concrete Pavement Association (ACPA) engineers on the subject of Fastrack Concrete Paving. As an outgrowth of activities begun in 1986 in Storm Lake, Iowa, a Technical Working Group (TWG) assembled under the auspices of the FHWA's Special Project 201. Since the first meeting in Alexandria, Virginia, in 1988, the TWG has cooperated to construct pilot projects, test concrete material with the FHWA's mobile laboratory, sponsor workshops and conferences nationwide, simulate exercises on urban project designs, complete ACPA's Technical Bulletin on Fastrack, and support follow-on research. This report formally completes activities carried out under SP-201. It presents key information on opening-to-traffic criteria and pavement slab temperature management. It includes a summary of key projects built around the country in the last 6 years. It also includes a copy of ACPA's new bulletin and closes with reprints of several technical reports that may be of interest to the reader.
Author: United States. Federal Highway Administration. Office of Highway Information Management
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 208
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Book Description
Author: Gerald L. Ullman
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 116
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Book Description
Author:
Publisher: American Association of State Highway & Transportation Officials
ISBN: 9781560514671
Category : Roads
Languages : en
Pages :
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Book Description
This document updates and expands the American Association of State Highway and Transportation Officials (AASHTO) User Benefit Analysis for Highways, also known as the Red Book. This AASHTO publication helps state and local transportation planning authorities evaluate the economic benefits of highway improvements. This update incorporates improvements in user-benefit calculation methods and, for the first time, provides guidance for evaluating important non-user impacts of highways. Previous editions of the Red Book provided guidance regarding user benefit measurement only. This update provides a framework for project evaluations that accurately account for both user and non-user benefits. The manual and accompanying CD-ROM provide a valuable resource for people who analyze the benefits and costs of highway projects.
