This manual has been written to provide the pavement manager and design engineer with a ready reference of procedures to predict the structural responses and hence the integrity of flexible pavements. A pavement section of known geometry is chosen, and its behavior over time is predicted by sets of mechanistic models which have been computer progra
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Accurate prediction of highway noise has been a major problem for state highway departments. Many noise models have been proposed to alleviate this problem. Results contained in this report will be used to analyze some of these models, and to determine their accuracy over various areas of the United States. Noise level data for this evaluation were
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The present report, consisting of eight volumes, details the designs for seven experiments to be performed at or near the Maine Facility of the US Department of Transportation. Rural two-lane roads are important in terms of extent, usage, and accident rate. Conditions such as on-coming traffic, slow vehicles on a grade and restricted passing opport
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Reclamation engineers and scientists through the years have developed canal structures for irrigation systems which can effectively perform their intended functions. This publication has been prepared to illustrate the application of canal structures having design discharge capacities up to 100 cubic feet per second. Several types of canal structur
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This publication contains data on fatal and injury accidents and fatally and nonfatally injured persons involved in motor vehicle traffic accidents for calendar year 1978. The 1978 data are classified, as were the 1976 data, by the realigned highway systems described below. Because of reporting problems related to the transition to new system defin
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