This report continues the process of documenting and publicizing experience with, and prediction of, benefits from Intelligent Transportation Systems (ITS) in the context of continuing assessment of the ITS program. This empirical benefits review effort is part of a larger effort sponsored by the ITS Joint Program Office, Federal Highway Administra
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The objectives of this manual are: To provide background information on the freight transportation system and factors affecting freight demand to planners who may be relatively new to this area; To help planners locate available data and freight-related forecasts compiled by others, and to apply this information in developing forecasts for specific
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This pocket guide focuses on making and restoring utility cuts in a timely and safe manner, with as little disruption of traffic and commerce as possible, and without leaving behind a defective pavement. Proper procedures, precautions, work steps, methods, equipment, and materials are highlighted. In addition, references are made to other sources o
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The Federal Highway Administration contracted with O.R. Colan Associates, Inc. in 1995 to carry out a post relocation study of all types of displacees in various parts of the country. The purpose of the study was to review current policy and practices to identify areas in the Uniform Relocation Assistance and Real Property Acquisition Policies Act
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The purpose of Track D of the Travel Model Improvement Program (TMIP) is to identify, design, and develop improved data collection procedures that will meet decision makers' current and future needs. To support the development of the overall Track D Data Research Program, a review of ongoing data related research has been undertaken. This review ha
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This catalogue is a printed version of an electronic data base that we have build and will keep current. Soon, that data base will be "on-line" along with an electronically accessible version of many of the documents it references. This "on-line" data base will be used to produced future catalogues, newsletters and other real time information resou
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In traffic engineering, the concept of traffic control is giving way to the broader philosophy of Transportation Systems Management (TSM), whose purpose is not to move vehicles, but to optimize the utilization of transportation resources to improve the movement of people and goods without impairing the community. One of the most important analytica
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This report provides an outline for the instrumentation of bridges being constructed under the Federal Highway Administration's (FHWA's) Strategic Highway Research Program (SHRP) implementation effort in High Performance Concrete (HPC). The report describes the various types of measurements that can be made and the appropriate types of instrumentat
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To gain a better understanding of the problems that older drivers may be having on freeways, an analysis of freeway accidents of older drivers was conducted. This effort was conducted as part of the Federal Highway Administration (FHWA) research study "Investigation of Older Driver Freeway Needs and Capabilities" (FHWA-RD-95-194). This summary repo
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Epoxy coated rebar (ECR) was introduced in the mid 1970s as a means to minimize concrete deterioration caused by corrosion of the reinforcing steel and to extend the useful life of highway structures. This report summarizes the results of investigations performed by highway agencies in the United States and Canada, academia, and the Canadian Strate
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Safety is a major goal of the National ITS Program. To promote safety, the Federal Highway Administration (FHWA) funded a series of Field Operational Tests to evaluate two low-cost emergency and assistance communications and rapid response devices and supporting services. This type of mayday service allows a motorist to report an incident to a serv
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The report documents work performed under the FTA Advanced Public Transportation Systems (APTS) Program, a program structured to undertake research and development of innovative applications of advanced navigation, information, and communication technologies that most benefit public transportation. The report is a compilation of existing and planne
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This report presents the results of the Federal Highway Administration Project #42-10-4172, “Predicting the Demand for High Occupancy Vehicle Lanes”. The report provides: A review of the available literature and the experiences of public agencies with current methods for predicting the demand for HOV lanes; the recommended new methodology for predi
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Safety is a major goal of the National ITS Program. To promote safety, the Federal Highway Administration (FHWA) funded a series of Field Operational Tests to evaluate two low-cost emergency and assistance communications and rapid response devices and supporting services. This type of mayday service allows a motorist to report an incident to a serv
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Scour of the channel bed around bridge foundations is the leading cause of failure among more than 487,000 bridges over water in the United States. Field measurements of scour at bridges are needed to improve the understanding of scour processes and the ability to predict scour depths accurately. This report documents methods to measure and interpr
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