The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations.
Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.
Research has been conducted on the potential improvement of dynamic wave equation analysis methodology using in-situ soil testing techniques. As a basis for this investigation, the literature was reviewed and a summary was compiled of efforts made to date on the development of models and associated parameters for pile driving analysis. Furthermore
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The final report presents information collected by ODOT personnel from bridge deck overlays constructed in Oregon between 1989 and 1995. Decks were placed on a variety of existing bridge types prepared using hydrodemolition, milling, and diamond grinding followed by sand, water or air blasting. Both latex and microsilica overlays were placed under
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In 1996, a pilot project to repair studded tire damage on continuously reinforced concrete (CRC) pavement was constructed on Interstate 5 north of Salem, Oregon. The test section was about 5 km (3 mi) long on a three-lane section of highway. Rut depths on this section were about 20 mm (.80 in.) with most of the damage in the center lane. Since the
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United States. Commercial Space Transportation Advisory Committee
1997-05-01
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The Federal Aviation Administration's (FAA) Office of the Associate Administrator for Commercial Space Transportation (AST) of the U.S. Department of Transportation (DOT) endeavors to foster a healthy commercial space launch capability in the United States. Since 1993, the DOT has requested that its industry advisory group, the Commercial Space Tra
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The objective of this study was to develop guidelines for the use of guardrail on low-volume roads (LVR) in Kansas according to safety and cost effectiveness. LVR are generally defined as roads with #400 average daily traffic (ADT), althoughmany LVR?s have much lower ADT?s. It should be noted that the term ?guardrail? means some sort of restraining
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The findings of this report are based on (1) a statistical analysis of data collected in the San Antonio area, (2) a literature review, and (3) expert advice on tropospheric ozone formation. The results of the study suggest that a highway construction work zone with lane closure can impact the daily peak ozone or episodic peak ozone concentration.
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Report to Congressional Committees. This report (1) compares the characteristics of the Next Steps program and the PBO concept and (2) describes the changes and effects the PBO concept potentially could have on the Saint Lawrence Seaway Development Corporation (SLSDC).
This document has been written to provide information on how to apply principles of geotechnical earthquake engineering to planning, design, and retrofit of highway facilities. Geotechnical earthquake engineering topics discussed in this document include: deterministic and probabilistic seismic hazard assessment; evaluation of design ground motions
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This document presents a series of five design examples illustrating the principles and methods of geotechnical earthquake engineering and seismic design for highway facilities. These principles and methods are described in Volume I - Design Principles, FHWA-SA-97-076. The examples presented in this volume cover a wide range of problems encountered
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This document consists of three sections. The first lists key questions on the overall strategic plan that congressional staff may find useful in determining how those plans can be improved to better support congressional and agency decision-making. For each of the six critical components GPRA requires for strategic plans, the second section descri
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United States. Department of Transportation. National Highway Traffic Safety Administration
1997-05-01
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National Highway Traffic Safety Administration's (NHTSA) National Center for Statistics and Analysis (NCSA) recently completed a study of data from the Consumer Product Safety Commission's (CPSC) National Electronic Injury Surveillance System (NEISS) on cases involving injuries associated with motor vehicle power windows. The data on injuries assoc
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This Congressional testimony by Gerald L. Dillingham, Associate Director,Transportation Issues, Resources, Community, and Economic Development Division,General Accounting Office (GAO) discusses changes made to the Federal AviationAdministration's (FAA) Aviation Insurance Program. The program providesinsurance coverage for aircraft operations that a
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United States. Department of Transportation. Federal Aviation Administration
1997-05-01
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This advisory circular (AC) contains information and guidance concerning designee application, authorized functions, and initial and subsequent certificates of authority for Designated Manufacturing Inspection Representatives (DMIR), Designated Airworthiness Representatives (DAR) for Maintenance and/or Manufacturing Organizational Designated Airwor
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Performing meaningful network analyses is greatly dependent upon accurate andcomplete transportation network models, which are digitized into a GeographicInformation System (GIS) or, more often, imported from another GIS.Transportation networks can be converted thoroughly between different GISs ifthey model semantically similar features. Such is th
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This document contains the testimony of John H. Anderson, Jr., Director of Transportation Issues, Resources, Community, and Economic Development Division, General Accounting Office (GAO), before the Subcommittee on Transportation, Committee on Appropriations, U.S. Senate, on three critical transportation financing issues facing the Congress and the
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Pavement structures located in regions with seasonal changes encounter regular cycles of freezing and thawing. Such environmental factors must be considered so that it can be certain that the pavement can accommodate continuous aircraft loading. 11 subsurface materials specified by the Federal Aviation Administration (FAA) were examined to determin
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