The Air Void Analyzer (AVA) is a device that permits testing of a sample of fresh concrete and that obtains data regarding air void parameters of air content, specific surface, and spacing factor. Duration of the test is a maximum of 25 minutes. A computer records measured data and calculates the air void parameters. Results are available immediate
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Although there has been considerable discussion about how telecommunications will affect the demand for transportation, most studies have focused on substituting telecommunications for transportation. For example, telephone and video conferencing can replace travel for meetings; electronic mail can replace postal service. More importantly, people c
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The U.S. Department of Transportation, Research and Special Programs Administration, John A. Volpe National Transportation Systems Center, Acoustics Facility, in support of the Federal Highway Administration (FHWA), Office of Environment and Planning, has developed this document, which reflects significant improvements and changes in noise measurem
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United States. Joint Program Office for Intelligent Transportation Systems
1996-04-01
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PDF
ITS at a glance is a quarterly newsletter produced by the U.S. Department of Transportation's Intelligent Transportation Systems (ITS) Joint Program Office (JPO). This quarterly publication will highlight and share major ITS developments within USDOT. Covering: Advanced travel information systems (ATIS), advanced travel management systems (ATMS), a
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The advent of fiber-optic communications technology coupled with continued rapid growth in demand for communications capacity have led private communications companies to seek to build new, and extend existing, fiber-optics networks. There is increased incentive and opportunity for sharing the public resource of highway right-of-way in exchange for
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The advent of fiber-optic communications technology coupled with continued rapid growth in demand for communications capacity have led private communications companies to seek to build new, and extend existing, fiber-optics networks. There is increased incentive and opportunity for sharing the public resource of highway right-of-way in exchange for
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The object of this contract was to identify problems with the visibility of changeable message signs (CMSs), particularly for older drivers, and to develop design guidelines and operational recommendations to ensure adequate conspicuity and legibility of in-service CMSs. This project was divided into three main sections: a field survey of in-use CM
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The purpose of this study was to assess the feasibility and extent to which commercial motor vehicle (cmv) simulator technology is being used in the training, testing, and/or licensing of CMV drivers. This report documents the results of a comprehensive effort that includes: a literature review, the development of functional requirements for CMV dr
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This is biennial report covering the legal requirements and fees regarding driver licensing as reported by State, Province, and Territory motor vehicle agencies. This report has been published since 1967.
The Invehicle Safety Advisory and Warning System (IVSAWS) is a Federal Highway Administration effort to develop a nationwide vehicular information system that provides drivers with advance, supplemental notification of dangerous road conditions using electronic warning zones with precise areas of coverage. The research study investigated techniques
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The Invehicle Safety Advisory and Warning System (IVSAWS) is a Federal Highway Administration effort to develop a nationwide vehicular information system that provides drivers with advance, supplemental notification of dangerous road conditions using electronic warning zones with precise areas of coverage. The research study investigated techniques
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The Invehicle Safety Advisory and Warning System (IVSAWS) is a Federal Highway Administration effort to develop a nationwide vehicular information system that provides drivers with advance, supplemental notification of dangerous road conditions using electronic warning zones with precise areas of coverage. The research study investigated techniques
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The Invehicle Safety Advisory and Warning System (IVSAWS) is a Federal Highway Administration effort to develop a nationwide vehicular information system that provides drivers with advance, supplemental notification of dangerous road conditions using electronic warning zones with precise areas of coverage. The research study investigated techniques
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