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US Transportation Collection

rosaP Repository & Open Science Access Portal

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 28641 - 28660 of 35553 results
  • Lessons learned from Virginias pilot corridor safety improvement program
    Lessons learned from Virginia's pilot corridor safety improvement program.
    Jernigan, Jack D
    1997-01-01 | PDF
    No Description
  • Followup field investigation of the effectiveness of antistripping additives in Virginia
    Follow-up field investigation of the effectiveness of antistripping additives in Virginia.
    Maupin, G. W
    1997-01-01 | PDF
    A previous field study of 12 pavements revealed considerable stripping in the surface layers of mixtures placed in 1991-92. Most of the mixes containing chemical additives showed visual stripping, but the ones containing hydrated lime did not show significant stripping. This study was a broad field survey with cores taken from each of the nine VDOT ...
  • Survey of metal truss bridges in Virginia
    Survey of metal truss bridges in Virginia.
    Miller, Ann Brush ;
    Clark, Kenneth M
    1997-01-01 | PDF
    Bridges are among the cultural resources that must be considered for historical significance under the Historic Preservation Act of 1966. The Virginia Transportation Research Council conducted a pioneering study of Virginia's pre-1932 metal truss bridges during the 1970s, but no comprehensive study of later bridges was undertaken. This study rectif ...
  • Exclusive lanes for trucks and passenger vehicles on interstate highways in Virginia an economic evaluation
    Exclusive lanes for trucks and passenger vehicles on interstate highways in Virginia : an economic evaluation.
    Hoel, Lester A ;
    Vidunas, Joseph E
    1997-01-01 | PDF
    Increases in heavy truck traffic on Virginia's highways in recent years have raised concerns about both safety and capacity, particularly on the interstate system. Transportation agencies have developed a number of strategies for dealing with the impacts on safety and capacity of a truck population that has been increasing in volume and in the perc ...
  • Investigation of delayed cracking in pivot steel box girders
    Investigation of delayed cracking in pivot steel box girders.
    Lozev, Margarit G ;
    Washer, Glenn A
    1997-01-01 | PDF
    This report describes the results of an investigation to find the cause of the delayed cracking in the welds of the fracturecritical steel pivot box girders fabricated for the George P. Coleman Bridge. Through the use of different nondestructive methods, more than 200 transverse and longitudinal cracks were found. The possibility of unique, rare, a ...
  • Planning for intelligent transportation systems in small urban areas
    Planning for intelligent transportation systems in small urban areas.
    Taylor, Richard V ;
    Smith, Brian L
    1997-01-01 | PDF
    Intelligent transportation systems (ITS) has been a primary program focus of the U.S. Department of Transportation since its origination in the Intermodal Surface Transportation Efficiency Act of 1991. The federal ITS program funded early deployment planning studies for the 75 largest metropolitan areas, where significant congestion and pollution p ...
  • Prototype crawling robotics system for remote visual inspection of highmast light poles
    Prototype crawling robotics system for remote visual inspection of high-mast light poles.
    Lozev, Margarit G
    1997-01-01 | PDF
    This report presents the results of a project to develop a crawling robotics system for the remote visual inspection of high-mast light poles in Virginia. The first priority of this study was to develop a simple robotics application that would reduce hazards to the public and employees of the 'Virginia Department of Transportation and increase the ...
  • Use of child safety seats in metropolitan areas of Virginia during Summer 1996
    Use of child safety seats in metropolitan areas of Virginia during Summer 1996.
    Stoke, Charles B
    1997-01-01 | PDF
    The Transportation Safety Services of the Department of Motor Vehicles has, for a number of years, requested observational surveys of child safety seat use in the Commonwealth. The present survey was conducted in the summer of 1996 in the four metropolitan areas of the state where 54% of Virginia's population resides. The data were categorized as c ...
  • Investigation of fiberreinforced concrete for use in transportation structures
    Investigation of fiber-reinforced concrete for use in transportation structures.
    Ozyildirim, H. Celik ;
    Moen, Christopher
    1997-01-01 | PDF
    This report presents the results of a laboratory investigation to determine the properties of fiber-reinforced concretes (FRCs) with steel (hooked-end), polypropylene (monofilament and fibrillated), and the recently introduced polyolefin fibers (monofilament) for use in pavement and bridge deck overlay applications. Concrete properties in the unhar ...
  • Glasphalt test sections in Virginia
    Glasphalt test sections in Virginia.
    Maupin, G. W
    1997-01-01 | PDF
    There is an effort to utilize waste materials in construction processes to diminish the amount placed in landfills. Mixed-color glass, which is not recyclable in the glass industry, has been used in asphalt, but there have been reservations about the durability of a pavement containing glass. The purpose of this project was to install and evaluate ...
  • Evaluation of asphalt rubber stressabsorbing membrane
    Evaluation of asphalt rubber stress-absorbing membrane.
    Maupin, G. W ;
    Payne, Charles W
    1997-01-01 | PDF
    This report describes the construction and evaluation of a stress-absorbing membrane (SAM) using a liquid asphalt binder containing ground tire rubber. Approximately 10 lane-km of SAM and 4 lane-km of control surface treatment for comparison were constructed in 1992. There was excessive loss of coarse aggregate under traffic on the SAM section, res ...
  • Index to FAA Office of Aviation Medicine Reports 1961 through 1996
    Index to FAA Office of Aviation Medicine Reports: 1961 through 1996
    Collins, William E. ;
    Wayda, Michael E.
    1997-01-01 | PDF
    An index to Office of Aviation Medicine Reports (1964-1996) and Civil Aeromedical Research Institute Reports is presented as a reference for those engaged in aviation medicine and related activities. The index lists all FAA aviation medicine reports published from 1961 through 1996: chronologically (pp. 1-42), alphabetically by author (pp. 43-51), ...
  • Airline Quarterly Financial Review Fourth Quarter 1997 Majors
    Airline Quarterly Financial Review - Fourth Quarter 1997 Majors
    United States. Office of Aviation Analysis
    1997-01-01 | PDF
    This report contains staff comments, tables and charts on the financial condition of the U.S. major airlines. The data are presented on both a carrier group and an individual carrier basis, but the primary focus is on the individual major carrier and its performance. Data are presented for the most recent quarterly period and the comparable quarter ...
  • Our Nations Travel 1995 NPTS Early Results Report Technical Appendix
    Our Nation's Travel: 1995 NPTS Early Results Report: Technical Appendix
    United States. Federal Highway Administration
    1997-01-01 | PDF
    The primary uses of the Nationwide Personal Transportation Survey (NPTS) data are in gaining a better understanding of travel behavior. The data are used to enable DOT officials to assess program initiatives, review programs and policies, and plan for the future. This technical appendix discusses collection methods and comparative data points from ...
  • Budget Treatment Issues for FAA Funding Options
    Budget Treatment Issues for FAA Funding Options
    National Civil Aviation Review Commission (U.S.)
    1997-01-01 | PDF
    Revenues from aviation excise taxes currently fund the majority of the programs of the Federal Aviation Administration (FAA). The FAA also receives a portion of its budget from the general tax revenue of the federal government. One goal of the Commission is to recommend the best way for the FAA to raise and spend revenue. This paper will outline so ...
  • Officer Leadership Program
    Officer Leadership Program
    United States. Department of Transportation. National Highway Traffic Safety Administration
    1997-01-01 | PDF
    The National Highway Traffic Safety Administration (NHTSA), Office of Enforcements and Emergency Services, sponsors an ongoing, cooperative program with participating law enforcement agencies around the country. In this program, law enforcement agencies send an officer to the NHTSA Washington, D.C. office for approximately a one year assignment. Th ...
  • Airline Quarterly Financial Review Third Quarter 1997 Majors
    Airline Quarterly Financial Review Third Quarter 1997 Majors
    United States. Office of Aviation Analysis
    1997-01-01 | PDF
    This report contains staff comments, tables and charts on the financial condition of the U.S. major airlines.
  • Airport Planning and Development Process Analysis and Documentation Report
    Airport Planning and Development Process: Analysis and Documentation Report
    United States. Federal Aviation Administration. Office of Airport Planning and Programming
    1997-01-01 | PDF
    The Federal Aviation Administration (FAA) is facing extreme resource constraints and increasing demands on the aviation system. The Airport Planning and Development Process (APDP) links organizations, people, and processes together to provide coordinated leadership for the development and assessment of a national system of airports. Three processes ...
  • Acoustic emission monitoring of steel bridge members final report
    Acoustic emission monitoring of steel bridge members : final report.
    Lozev, Margarit G
    1997-01-01 | PDF
    This report describes the results of a study to characterize the acoustic emission (AE) associated with steel cracking and various sources of noise in a typical bridge environment. It summarizes previous applications ofAE monitoring of steel bridges and describes the AE field testing of five bridges in Virginia, including extensive data and discuss ...
  • An analysis of highway condemnation cases under the provisions of Senate Bill 724 comparisons of jury and commission awards final report
    An analysis of highway condemnation cases under the provisions of Senate Bill 724 : comparisons of jury and commission awards : final report.
    O'Leary, Amy A ;
    Perfater, Michael A
    1997-01-01 | PDF
    The Virginia Department of Transportation (VDOT) may legally condemn land for road improvements if all purchase negotiations with the landowner fail. If all further negotiations fail, just compensation for the landowner is decided in court by a five member panel, called a commission. Until 1991, litigants nominated the individuals selected for the ...
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