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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.

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Showing 30741 - 30760 of 35412 results
  • Index to FAA Office of Aviation Medicine Reports 1961 through 1991
    Index to FAA Office of Aviation Medicine Reports: 1961 through 1991
    Collins, William E. ;
    Wayda, Michael E.
    1992-01-01 | PDF
    An index to Office of Aviation Medicine Reports (1964-1991) and Civil Aeromedical Research Institute Reports (1961-1963) is presented as a reference for those engaged in aviation medicine and related activities. It lists all FAA aviation medicine reports published from 1961 through 1991: chronologically (pp. 1-34), alphabetically by author (pp. 35- ...
  • Benefits of Measuring HalfCell Potentials and Rebar Corrosion Rates in Condition Surveys of Concrete Bridge Decks
    Benefits of Measuring Half-Cell Potentials and Rebar Corrosion Rates in Condition Surveys of Concrete Bridge Decks
    Clemeña, Gerardo G.
    1992-01-01 | PDF
    The practice of conducting a half-cell potential survey during the assessment of the condition of a concrete deck was reexamined with the objective of eliminating some of the doubts concerning its benefits. It was found that the survey grid size of 4.0 ft recommended in ASTM C 876 had partly contributed to the uncertainty because this spacing is to ...
  • Final report on leachable metals in scrap tires
    Final report on leachable metals in scrap tires
    Ealding, Wendy
    1992-01-01 | PDF
    No Description
  • Prototype stop bar system evaluation at John F Kennedy International Airport
    Prototype stop bar system evaluation at John F. Kennedy International Airport.
    Katz, Eric S. ;
    Stein, Earl S.
    1992-01-01 | PDF
    A prototype stop bar system was installed and evaluated at John F. Kennedy International Airport. The purpose of the year-long evaluation was to gain operational experience on the use of a stop bar system and how it could possibly impact the air traffic system. To determine the effectiveness of the stop bar system, data were collected from both use ...
  • A summary transportation programs and provisions of the Clean Air Act Amendments of 1990
    A summary : transportation programs and provisions of the Clean Air Act Amendments of 1990
    United States. Federal Highway Administration
    1992-01-01 | PDF
    To achieve the goals of the Clean Air Act Amendments of 1990 (CAAA), State and local officials must first understand the requirements for transportation plans, programs, and projects. The Federal Highway Administration (FHWA) has prepared this brochure to explain in detail Title I of the CAAA, and selected parts of Title II. Technical terms are hig ...
  • Traffic Signal Timing Models for Oversaturated Signalized Interchanges
    Traffic Signal Timing Models for Oversaturated Signalized Interchanges
    Kim, Youngchan ;
    Messer, Carroll J.
    1992-01-01 | PDF
    This research report documents the development models for control of signalized diamond interchanges during oversaturated traffic conditions. Oversaturated traffic conditions occur when the average traffic demand exceeds the capacity of the signal system. The dynamic optimization model proposed is the principal product of this research. The control ...
  • Automotive Fuel Economy How Far Should We Go
    Automotive Fuel Economy: How Far Should We Go?
    National Research Council (U.S.). Committee on Fuel Economy of Automobiles and Light Trucks
    1992-01-01 | PDF
    This volume presents realistic estimates for the level of fuel economy that is achievable in the next decade for cars and light trucks made in the United States and Canada.
  • Deformational Characteristics of Soils at Small to Intermediate Strains from Cyclic Tests
    Deformational Characteristics of Soils at Small to Intermediate Strains from Cyclic Tests
    Kim, Dong-Soo ;
    Stokoe II, Kenneth H.
    1992-01-01 | PDF
    The deformational characteristics of various soils at small (.00001 to .001%) to intermediate (.001 to .1%) shearing strains using resonant column and torsional shear (RCTS) equipment were investigated. Soils tested include dry sand, undisturbed silts and clays, and compacted clay subgrades. In addition, metal specimens have been developed to inves ...
  • Air Quality Programs and Provisions of the Intermodal Surface Transportation Efficiency Act of 1991
    Air Quality Programs and Provisions of the Intermodal Surface Transportation Efficiency Act of 1991
    United States. Federal Highway Administration
    1992-01-01 | PDF
    This brochure summarizes the provisions of the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA) that can best help State and local officials as they work toward the air quality goals of the Clean Air Act Amendments of 1990 (CAAA). This summary is divided into six categories: (1) Funding Flexibility; (2) Increased Funding Levels; (3) ...
  • Aviation and Space Curriculum Guide K3
    Aviation and Space Curriculum Guide K-3
    Alabama. Department of Education  ...
    1992-01-01 | PDF
    The Alabama Aerospace Curriculum Guide is designed for teachers of grades K-3 who have little or no experience in the area of aviation or space. The purpose of this guide is to provide an array of aviation and space activities which may be used by teachers to enrich locally-designed programs. The Alabama Aerospace Curriculum Guide is supplemental i ...
  • Test Results of Initial Installation DATASTCAS Monitor DFW Airport
    Test Results of Initial Installation DATAS/TCAS Monitor: DFW Airport
    Wapelhorst, Leo J. ;
    Van Dongen, John
    1992-01-01 | PDF
    This document presents the results of initial tests with the Data Link Test and Analysis System (DATAS)/Traffic Alert and Collision Avoidance System (TCAS). Since a significant amount of air carriers have recently been equipped with Traffic Alert and Collision Avoidance Systems (TCAS) there have been reports from various airport terminals of a high ...
  • Thirteenth Annual US DOE LowLevel Waste Management Conference Proceedings
    Thirteenth Annual U.S. DOE Low-Level Waste Management Conference: Proceedings
    Idaho National Engineering and Environmental Laboratory (INEEL)
    1991-12-31 | PDF
    The Thirteenth Annual U.S. Department of Energy Low-Level Waste Management Conference was held November 19-21, 1991, in Atlanta, Georgia. 40 papers are included in the proceedings. The 297 attendees represented the Department of Energy (DOE), other Federal and State agencies, academia, DOE national laboratories, commercial low-level radioactive was ...
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    Effects of Heavy Vehicle Characteristics on Pavement Response and Performance---Phase II
    Gillespie, Thomas D.
    1991-12-31
    The objective of this research was to analyze and evaluate the interaction between heavy vehicle characteristics and pavement performance for application in pavement management. Heavy vehicle (truck and bus) characteristics include tire types (bias ply, radial, low profile radial, and "super-single"), tire pressures, tire contact (area and load dis ...
  • Altitude Deviations Breakdowns of an Error Tolerant System
    Altitude Deviations: Breakdowns of an Error Tolerant System
    Palmer, Everett A. ;
    Hutchins, Edwin L.
    1991-12-01 | PDF
    Pilot reports of aviation incidents to the Aviation Safety Reporting System (ASRS) provide a window on the problems occurring in today's airline cockpits. The narratives of 10 pilot reports of errors made in the automation-assisted altitude-change task are used to illustrate some of the issues associated with pilot and automatic-systems interaction ...
  • North Dakota Grain and Oilseed Transportation Statistics 199091
    North Dakota Grain and Oilseed Transportation Statistics 1990–91
    Leapoldt, Don ;
    Zink, Daniel L
    1991-12-01 | PDF
    This report represents a continuation of analysis concerned with the patterns and methods of distributing grains and oilseeds from North Dakota. This series began with the analysis of 1956-57 data and was published in Agricultural Economics Reports 15, 17, 44, and 56, and Agricultural Experiment Station Bulletin 462. The compilation and analysis of ...
  • Research notes first year performance of microsilica concrete bridge deck overlays
    Research notes : first year performance of microsilica concrete bridge deck overlays.
    Oregon. Department of Transportation. Materials and Research Section
    1991-12-01 | PDF
    Laboratory studies have shown that microsilica concrete (MC) has sufficient strength and impermeability to substitute for LMC in bridge deck overlays. In addition, MC can be mixed in off-site batch plants, like Portland cement concrete (PCC). This is an advantage over LMC on certain jobs, as batching LMC requires the use of mobile mixing plants at ...
  • Research notes polymer modified emulsions for chip seals
    Research notes : polymer modified emulsions for chip seals.
    Oregon. Department of Transportation. Materials and Research Section
    1991-12-01 | PDF
    The Research Unit is conducting a study of chip seal emulsions using asphalts containing polymers on test sections that were built in 1987 on Oregon Route 22 near Stayton in Marion County. A commonly used emulsion in the 1987 OSHD Specifications for Asphalt Materials was used as a standard for comparison.
  • Evaluation of gritimpregnated epoxy coated prestressing strand on South Slough Charleston Bridge construction report
    Evaluation of grit-impregnated, epoxy coated prestressing strand on South Slough (Charleston) Bridge : construction report.
    Rusnak, James S.
    1991-12-01 | PDF
    Construction of the South Slough (Charleston) Bridge was completed in March of 1991. The structure was constructed with prestressed concrete beams using grit-impregnated, epoxy coated prestressing strands. While epoxy coated reinforcing steel has been used successfully to combat corrosion for several years, epoxy coating for prestressing strands is ...
  • Traffic accident simulation using interactive computer graphics
    Traffic accident simulation using interactive computer graphics.
    Anderson, Dale O. ;
    Guice, Leslie K.
    1991-12-01 | PDF
    The primary goal of this project was to assemble the hardware and software necessary to form a prototype sktop video animation workstation to support traffic accident reconstruction.
  • Comparison of Oregon state highway division Table1 and Table2 asphalt final report
    Comparison of Oregon state highway division Table-1 and Table-2 asphalt : final report.
    Rusnak, James S. ;
    Selkirk, Kyle T.
    1991-12-01 | PDF
    The objective of this study was to compare the effect of using the Oregon State Highway Division (OSHD) modified Table-1 asphalts and the OSHD modified Table-2 asphalts in asphalt concrete; the primary factors for comparison were reflective and thermal cracking. Crack information obtained prior to paving was compared to crack information obtained t ...
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