Microeconomic theory and other concepts related to pricing are reviewed and applied to the problem of designing highway user charges. In view of the emphasis in the Congressional request for the Highway Cost Allocation Study on setting charges in accordance with costs occasioned, economic efficiency should be a major study goal. The goal of equity,
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A unified body of theory is presented to cover the main phenomena of the wind-induced responses of long-span bridges. The methods discussed depend strongly upon experimental data extracted through aeroelastic tests of bridge deck section models. Much of the background material stems from Report No. FHWA-RD-75-115: "Recent Methods in the Application
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This report is divided into two parts: Portland and Sorel Cements. Portland Cement: The production of doped belite (dicalcium silicate) clinkers can be a prospective way of saving energy in cement production. Barium sulfate (BaSO sub-4), calcium tribasic phosphate (Ca sub-5 (PO sub-4) sub-3 (OH), and vanadium oxide (V sub-2 0 sub-5) stabilize Beta-
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This report is Appendix E; Evaluation of Instrumentation, of the final report for a study involving the static vertical load testing of a full scale, instrumented pile group. The test group consisted of nine pipe piles instrumented for settlement, load transfer, pore pressures, total pressures and inclination. Appendix E describes in detail problem
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The skid resistance of typical pavement marking materials is determined. A data base of full-scale locked-wheel skid resistance is presented for typical traffic paints of various formulations, hot spray and extruded thermoplastics, cold preformed plastics, temporary tapes, and some two-part systems. A variety of pavement surface types including den
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This first volume report provides results of a detailed study to 1) identify distresses that cause significant loss of serviceability and/or maintenance in pavements; 2) identify material properties that significantly influence the occurrence of distress; 3) select the best theoretical or empirical models for predicting distress using material prop
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This second volume provides a summary of a detailed study to 1) identify distresses that cause significant loss of serviceability and/or maintenance in pavement; 2) identify material properties that significantly influence the occurrence of distress; 3) select the best theoretical or empirical models for predicting distress using material propertie
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
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1981-03-01
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PDF
The Federal Highway Administration's Bureau of Motor Carrier Safety through its various programs of notification, reporting, and investigation, is continually evaluating the accident experience of commercial motor carriers to determine specific problem areas. Such areas involve accidents of a recurring nature, and violations of the Federal Motor Ca
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River behavior at a highway crossing depends not only on the stability of that particular river reach, but also on the behavior of the entire fluvial system of which it is a part. Rivers are complex landforms. A simple and straight forward approach to the identification of river hazards is not always possible. A complete evaluation of hydraulic haz
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Data gathered to documen t the stability of streams at 103 sites in different regions of the United States where stream channels were relocated for the purposes of highway construction indicate varied responses. In comparison with prior stream stability, bank erosion of the relocated channel was the same at 45 sites, better at 28 sites, and worse a
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Accident Rates on Two-Lane Rural Highways Before and After Resurfacing; Tolerable Movement Criteria for Highway Bridges; Driver Considerations in Highway Design
Under contract No. DOT-FH-11-9606 the Nevada Department of Transportation (NDOT) conducted crash testing to study the capability of "Captive Column" light standard appurtenances under controlled conditions. The studies were precursors of actual on site studies and dealt with applicability under nearly ideal conditions and controlled crash guidance.
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particular river reach, but also on the behavior of the entire fluvialsystem of which it is a part. Rivers are complex landforms. A simple andstraight forward approach to the identification of river hazards is not alwayspossible. A complete evaluation of hydraulic hazards cannot be solely basedon on-site hydrologic, hydraulic and geomorphic factors
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"Aggradation and degradation are long-term changes in stream channel elevation. The effects of gradation changes are not the same as local scour or erosion because they extend greater distances along the stream-bed. Degradation is a more common problem than aggradation and in general, has a more severe impact on highway crossings. Although gradatio
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This manual has been prepared for use by highway department personnel to evaluate highway runoff. It contains detailed procedures for establishing and conducting a monitoring program and evaluating the collected data. Step-by-step procedures are delineated and following these steps should help in developing a simple and straight-forward method whic
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This report documents the development and application of a simple predictive procedure (model) for determining the runoff quantity and quality from highway systems based on the data gathered from 5 monitoring sites around the country. Equations for 3 highway site types were developed to predict runoff volume and pollutant wash-off coefficients for
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This report relates to the identification and quantification of the constituents of highway runoff. It includes the details of monitoring site selection, field monitoring procedures, analysis of accumulated data, conclusions, significant findings and limitations. A total of 159 storm events were monitored at six sites between Spring of 1976 to Sept
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