This paper reports a cooperative project between teams at Rensselaer Polytechnic Institute (RPI) and Cornell University to evaluate the effect of lateral spreading on pile foundations. Centrifuge tests of lateral spreading and the corresponding permanent bending moments measured in instrumented model piles conducted at RPI are used to study the pro
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United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center
1996-07-01
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Traffic management centers (TMC) are expanding their efforts and resources to maintain efficient traffic flow and reduce congestion. More automation in the traffic control center is sought for processing traffic flow information from a variety of traffic sensing systems, for activation of traffic control systems such as ramp metering, and for commu
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As part of the assessment of the development and deployment of ITS products and services inmetropolitan areas sponsored by the U.S. Department of Transportation’s (U.S. DOT) JointProgram Office for ITS, analysts from the Volpe National Transportation Systems Center,EG&G Dynatrend, and Cambridge Systematics, Inc. interviewed a broad cross section of
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United States. Joint Program Office for Intelligent Transportation Systems
1996-07-01
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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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This report documents an approach for designing an Advanced Traffic Management System (ATMS) from a human factors perspective. In designing the ATMS from a human factors perspective, a user-centered top-down system analysis was conducted. Methodologies employed in conducting this analysis, procedures for implementing such methodologies, and analysi
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The Eno Foundation convened a public policy forum to discuss the economic return on transportation investment. About 35 people with varied perspectives on this issue attended this day-long discussion on July 23, 1996. The Federal Highway Administrator, Rodney Slater, opened the forum by saying that the Federal Highway Administration (FHWA) has made
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The increasingly sophisticated demands placed on transportation planning models by the 1990 Clean Air Act Amendments (CAAA), the 1991 Intermodal Surface Transportation Efficiency Act (ISTEA), and to a lesser extent some earlier legislation, have led to the need for re-examination of input travel survey data. The development of the Travel Model Impr
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The benefits of a longitudinal analysis over a repeated cross-sectional study include increased statistical power and the capability to estimate a greater range of conditional probabilities. With the Puget Sound Transportation Panel (PSTP), and any study where weighted stratified sampling is employed, the benefits extend to include the capability t
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The purpose of this research was to apply the basic National Highway Traffic Safety Administration (NHTSA) pedestrian and bicyclist typologies to a sample of recent crashes and to refine and update the crash type distributions with particular attention to roadway and locational factors. Five thousand pedestrian-motor vehicle crashes and 3,000 bicyc
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This document is a sequel to a previous bibliography which was compiled by the authors in 1989 as the first part of their research on high performance concrete sponsored by the Strategic Highway Research Program of the National Research Council. The previous bibliography was based on an extensive literature search to identify gaps in the existing k
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This report presents analyses of activity and travel patterns that explicity account for transportation level of service. The analyses are conducted using composite accessibility measures, land-use type, and density around the residences and workplaces of survey participants in the Seattle region. Using Puget Sound Transportation Panel (PSTP) data
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United States. Federal Highway Administration. Office of Highway Information Management
1996-06-01
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The purpose of this report is to document the preparation of the 1994 Table VM-1, including data sources, assumptions, and estimating procedures. Table VM-1 describes vehicle distance traveled in miles, by highway category and vehicle type. VM-1 depicts national travel for the current year and revised travel estimates for the previous year. This in
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The Coordinated Federal Lands Highways Technology Improvement Program (CTIP) was developed with the purpose of serving the immediate needs of those who design and construct Federal Lands Highways. A wide assortment of guardrails, bridge rails, and transitions are being used on roads under the jurisdiction of the National Park Service and other Fede
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Lockheed Martin. Odetics Intelligent Transportation Systems Division
1996-06-01
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Evaluation of the intelligent transportation system (ITS) Architecture was one of the key components of the ITS National Architecture program. Evaluation of the architecture served three purposes: (1) It lead to more informed decision on how best to design and develop the architecture. (2) It was key to developing an effective architecture that can
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Odetics. Intelligent Transportation Systems Division. Architecture Development Team
1996-06-01
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The Final Performance and Benefits Summary describes our understanding of the connection between the National ITS Architecture, its technical performance characteristics, and its likely benefits for ITS users and suppliers. Ultimately, the goal of this analysis is to evaluate the National Systems Architecture in terms of its technical performance a
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Lockheed Martin. Odetics Intelligent Transportation Systems Division
1996-06-01
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The Evaluatory Design Document provides a unifying set of assumptions for other evaluations to utilize. Many of the evaluation activities require the definition of an actual implementation in order to be performed. For example, to cost the elements of a Traffic Management function we must define how many intersections, what type of controller, and
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Lockheed Martin. Odetics Intelligent Transportation Systems Division
1996-06-01
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The Standards Development Plan identifies potential standards areas,reviews existing standards efforts, describes a general process to assiststandards development, and suggests beneficial actions to support andencourage ITS deployment. This document is intended for use as a guide tousing the architecture. It is directed toward standards development
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