This manual provides programmable design procedures for both box and pipe culverts with either conventional or improved inlets, for the Texas Instruments, TI-59 calculator. The same terminology and algorithms used in "The Design of Improved Inlets for Culverts" (HEC No. 13) are used in these programs. Each program listed in the manual is accompanie
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United States. Federal Highway Administration. Office of Highway Planning
1981-01-01
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Unless otherwise stated, all data in this publication are for calendar year 1981. Preliminary 1982 data are shown in some charts and graphs. Except where noted, the Federal Highway Administration is the source of the data, provided by the states. The information in the pamphlet is intended to be an overview of our Nation's highways of general inter
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The "Highway Safety Engineering Studies" Procedural Guide contains detailed guidelines for the planning, conduct, and use of safety engineering studies at identified hazardous locations. It is intended for use by those who are responsible for organizing and conducting engineering procedures and for analyzing the procedure findings. The guide contai
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The research program "Improving The Residential Street Environment" deals with control and restraint or management of traffic on local residential streets. This State of The Art report covers current practices in this field through 1978. The report assesses the performance of various control devices to affect traffic on existing residential streets
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1980-12-01
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Nationwide Personal Transportation Survey (NPTS)
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PDF
This report is part of a series that presents findings from the 1977 Nationwide Personal Transportation Study (NPTS). This report describes home-to-work trips and travel in 1977. The home-to-work trip purpose is explored relative to location, household composition factors such as drivers, income and occupation, and characteristics of travel such as
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1980-12-01
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Nationwide Personal Transportation Survey (NPTS)
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PDF
This report is part of a series that presents findings from the 1977 Nationwide Personal Transportation Study (NPTS). This report describes the purposes of private vehicle trips and travel. Trip purposes are related to the characteristics of households, drivers and vehicles; geographic location; time of day and day of week. Study is made of trends
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1980-12-01
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Nationwide Personal Transportation Survey (NPTS)
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PDF
This report is part of a series that presents findings from the 1977 Nationwide Personal Transportation Study (NPTS). The report contains data on household vehicles and characteristics of households owning vehicles. Vehicle ownership is explored relative to household location, income, composition and other sociodemographic attributes of the househo
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This report presents equations for computing the hydraulic efficiency and discharge for three bicycle-safe grate inlets on a continuous grade and under sump conditions. These three grates were selected based on previous testing of various grates conducted by the Engineering and Research Center of the Water and Power Resources Service in Denver, Col
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The abundance of cellulosic-based wastes was reviewed by section of the country and type which includes: wood wastes, municipal wastes and manures. Of the most promising waste conversion processes now under consideration, pyrolysis, liquefaction, and hydrolysis were selected for preliminary laboratory screening. Model wastes for this study included
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As an engineering tool, this system can either hydraulically design a culvert or hydraulically review an existing or proposed culvert size. The design or review process for drainage culverts is accomplished by routing a hydrograph through the culvert, thereby taking advantage of temporary upstream pond storage. Analysis employing the irrigation des
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The FHWA Highway Driving Simulator; Analytical Studies of the Effects of Movements on Steel and Concrete; A Dream Comes True; Economic Feasibility of Using Artificial Lighting in Construction Zones; CB Motorist Aid-State of the Art
This design manual presents the results of a detailed study to identify and design flexible and composite pavement configurations which will perform as premium or "zero-maintenance" pavements. This manual includes identification and classification of the pavement materials, design procedures for the selection of pavement configurations using wheel
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