A program (manual and computerized) was developed to perform an economic analysis of premium pavements (reduced maintenance requirements). Pavement maintenance costs were determined in terms of impacts on motorists (users) and the general public (non-users) of freeways. Volume I - Final Report - This volume provides a complete description of the sc
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A computer program was developed to perform an Economic Analysis of Roadway Occupancy for Maintenance and Rehabilitation EAROMAR. The user specifies the pavement design and traffic. The program generates hourly traffic volume by trip purpose, direction and year; vehicle operational cost as a function of vehicle weight, speed and project design alig
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The basic manual, published as the first volume of this report, is intended for use as a tool in predicting noise levels which will be generated by freely-flowing vehicle traffic along a highway of known characteristics. The first volume explains the basis for the computerized prediction model, used for highway noise level prediction, and contains
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United States. Department of Transportation. Federal Highway Administration
1974-09-25
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This report presents a discussion of issues, costs, and recommendations from a study of the feasibility of developing a national scenic highway system. It was carried out in accordance with the provisions of section 134(a) of the Federal-Aid Highway Act of 1973. The report was prepared by the Federal Highway Administration and draws heavily upon wo
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Development of a Traffic Control Systems Handbook; Asphalt FINGERPRINTING; Seasonal Strength of Pavements; Bridge Rating and Analysis Structural System; Design of Open-Graded Asphalt Friction Courses; Report on Accident Experience with Impact Attenuators—A Best Seller
The overall objective of the study is to develop an engineering systems analysis method to enhance the decision-making process in the design of highway stream crossings. This method applies economic risk techniques as well as standard hydraulic and hydrologic factors in the design of bridge waterways.Volume I presents the results of experiments to
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This report demonstrates the results of a preliminary effort to incorporate economic risks into culvert design and to relate this economic design to conventional design practice for 22 culvert sites in Virginia. Economic design is defined as the minimum annual construction cost plus the expected flood-related loss or risk. Each design is evaluated
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This report is the third of four volumes reporting the results of a project to analyze the nationwide magnitude of the urban railroad relocation and to prepare methodology for future relocation studies. Volume 1 is an executive summary; Volume 2 is a community guide for preliminary assessment of the potential for planning to alleviate urban railroa
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This field study examined driver responses to two types of potential highway skidding hazard: wet pavements subjected to high frictional driving demands, and bridges during periods of possible preferential icing. Study objectives were to examine motorists' general awareness of the hazards and to asses the relative effectiveness of various signing t
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This study was undertaken to evaluate the feasibility of adapting a bio or chemiluminescent system for use in a highway marker for wet-night lane delineation. The study involved a literature survey and theoretical evaluation of systems reported in the literature, limited laboratory verification and investigation of the visibility problem. Recommend
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This report describes an interrelated study of the oxidation products formed in asphalt during the processing of road mixes and aging in the road and the interactions of asphalt and its oxidation products with aggregate to form the asphalt-aggregate adhesive bond. A method for the qualitative and quantitative determination of ketones, carboxylic ac
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Training for Highway Maintenance Managers; Techniques for Retarding the Penetration of Deicers into Cement Paste and Mortar; Long Term Observations on Highway Bridges
This volume covers that study portion which evaluated current subsurface investigation techniques, investigated interactions of the subsurface investigation system elements, produced a value analysis model for indicating the relative value of achieving new levels of performance in a subsurface investigation system, and determined the feasibility of
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The purpose of this study was development of new acoustic techniques suitable for use in soil. Primary consideration was given to determining the location of any rock that may be present between boreholes. A secondary objective was to investigate the potential of acoustic techniques for predicting variations of properties between boreholes. In purs
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Unstable embankments and potential slide areas have always been an expensive maintenance problem. The Washington State Highway Department recently developed a unique solution to this problem by utilizing a lightweight waste produce-Sawdust. By removing existing high density fill material and replacing it with Sawdust, they successfully repaired an
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