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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 33721 - 33740 of 35412 results
  • Modification studies for a bridge girder of reinforced plastics
    Modification studies for a bridge girder of reinforced plastics.
    McCormick, Fred C
    1976-01-01 | PDF
    Several modifications were made in the design of a glass-reinforced plastic girder in an effort to improve its load-deflection performance characteristics. The addition of lateral ties between the lower chords of adjacent girders in a trisectional structure significantly reduced the horizontal displacements of the sections due to vertical loads. Co ...
  • Drinkingdriving attitudes knowledge and behavior an analysis of the first two telephone surveys of the Fairfax Alcohol Safety Action Project
    Drinking-driving attitudes, knowledge and behavior : an analysis of the first two telephone surveys of the Fairfax Alcohol Safety Action Project.
    Lynn, Cheryl
    1976-01-01 | PDF
    The first two telephone surveys for the Fairfax ASAP were conducted during June and December of 1975. During each, 500 ASAP area residents randomly selected from the Northern Virginia phone book were called and were interviewed using a standard questionnaire. The sample was stratified by sex and partially age. Differences between survey results wer ...
  • Trends in public information within the Fairfax Alcohol Safety Action Project 1975
    Trends in public information within the Fairfax Alcohol Safety Action Project, 1975.
    Lynn, Cheryl
    1976-01-01 | PDF
    To assess current trends in the effectiveness of the public information and education countermeasure of the Fairfax Alcohol Safety Action Project, two pieces of survey type research are conducted on a periodic basis. The roadside survey has been conducted annually since 1971, the year before the Fairfax ASAP became operational. The telephone survey ...
  • Suggested revisions to the annual highway safety work program in Virginia
    Suggested revisions to the annual highway safety work program in Virginia.
    Ferguson, Wayne S ;
    Simpson, Clinton H
    1976-01-01 | PDF
    This paper describes some suggested revisions in the format of and method and procedures for compiling the Annual Highway Safety Work Program (AHSWP) required of the states by the National Highway Traffic Safety Administration (NHTSA). Prior to fiscal year 1972, the states were required to send little information to the NHTSA (then the National Hig ...
  • A commentary on the implementation of Virginia test method number 39 electrical resistivity testing of waterproof membranes
    A commentary on the implementation of Virginia test method number 39 : electrical resistivity testing of waterproof membranes.
    McKeel, Wallace T
    1976-01-01 | PDF
    It was concluded that the electrical resistivity test was not ideally suitable as an inspection tool, but was the only currently available nondestructive test for determining the effectiveness of a waterproof membrane system. Considerable judgment and care were needed to properly conduct the test and interpret its results, but experience in a proje ...
  • The effects of stream channelization on bottom dwelling organisms phase 2 report 1975 construction season
    The effects of stream channelization on bottom dwelling organisms : phase 2 report : 1975 construction season.
    Wyant, David C
    1976-01-01 | PDF
    Three construction projects affecting streams are being monitored. On two of the projects, those affecting Meadow Run and Moores Creek, the streams are being monitored for flow, suspended solids, rainfall, and benthic populations. Construction has been completed on these projects and the monitoring program is being curtailed. The third project, whi ...
  • Evaluation of erosion and siltation control fabrics
    Evaluation of erosion and siltation control fabrics.
    Wyant, David C
    1976-01-01 | PDF
    New proprietary products in three areas of siltation and erosion control were evaluated. Hold/Gro and Griffnet materials were evaluated for use as slope stabilizers and were compared with the Department's present method of straw tacked with an asphalt emulsion. Griffolyn T-55 was evaluated for use in the construction of downdrains, and was compared ...
  • Potential problems on I77 concrete culvert
    Potential problems on I-77 concrete culvert.
    Wyant, David C ;
    Reynolds, John W
    1976-01-01 | PDF
    Along a section of Interstate 77 in Carroll County, it was necessary to construct a fill approximately 256 ft deep. The flow of a mountain stream had to be carried through this massive embankment and, because of the nature of the terrain, it was decided to use a temporary steel culvert and a permanent concrete culvert. Deflection gage data were obt ...
  • Effects of instream concrete structures on the pH level of water
    Effects of in-stream concrete structures on the pH level of water.
    Wyant, David C
    1976-01-01 | PDF
    The pH values above and below concrete structures in streams on nine active construction projects throughout the state were determined. It was concluded that for streams with flow rates of 0.3 to 111.25 cfs (0.01 to 3.2 cubic meter/see) the variations in the pH levels of the water above and below the concrete structures were within; the acceptable ...
  • Traffic records needs of the Highway Safety Division in Virginia
    Traffic records needs of the Highway Safety Division in Virginia.
    Lisle, Frank N
    1976-01-01 | PDF
    This study was conducted for the Highway Safety Division of Virginia in cooperation with the Traffic Records Information System Project initiated by the Governor's Secretary of Transportation and Public Safety, Wayne A. Whitham. The objective is the definition and description of the information requirements of the Highway Safety Division which may ...
  • A response to criticisms of the 1971 Virginia study of reflectorized license plates
    A response to criticisms of the 1971 Virginia study of reflectorized license plates.
    Stoke, Charles B
    1976-01-01 | PDF
    No Description
  • Minimization of reflection cracks Route 17 Gloucester County installation report 1976
    Minimization of reflection cracks, Route 17, Gloucester County : installation report 1976.
    Hughes, Charles S
    1976-01-01 | PDF
    The installation of two fabrics, Petromat and Mirafi, to reduce reflection cracking on Route 17 in Gloucester County in- August 1976 is described. A brief review of the performance of previous installations is included. Finally, it is recommended that additional fabric installations be the responsibility of the Maintenance Division.
  • A survey and photographic inventory of metal truss bridges in Virginia 18651932 V the Richmond construction district
    A survey and photographic inventory of metal truss bridges in Virginia, 1865-1932 : V : the Richmond construction district.
    Deibler, Dan Grove
    1976-01-01 | PDF
    Prior to 1932, road maintenance and construction in Virginia were largely the responsibility of the individual county governments. Bridge construction projects, based on local requirements, formed a natural part of these activities. Local responsibility very often resulted in a rich variety of bridge designs built by an equally diverse group of bri ...
  • Inhouse fabrication of precast concrete bridge slabs
    In-house fabrication of precast concrete bridge slabs.
    Sprinkel, Michael M
    1976-01-01 | PDF
    Information is reported on the labor, equipment, material, and cost required for seven bridge maintenance situations in which state forces widened or replaced an existing short span structure. Precast concrete slabs were installed at three of the locations, concrete slabs were cast at the site at two of the locations, and steel stringer-timber deck ...
  • Fulldepth repair of jointed PCC pavements castinplace and precast procedures
    Full-depth repair of jointed PCC pavements cast-in-place and precast procedures.
    Tyson, Samuel S
    1976-01-01 | PDF
    The deterioration of jointed portland cement concrete (PCC) pavements on the interstate system in Virginia has created a need for full-depth and partial-depth repairs. In this report, efforts related to full-depth repairs are described and discussed, Such repairs have utilized both cast-in-place and precast materials. Rapid and permanent repairs ha ...
  • An analysis of ultimate performance measures to determine total project impact of the Fairfax Alcohol Safety Action Project progress report 4
    An analysis of ultimate performance measures to determine total project impact of the Fairfax Alcohol Safety Action Project : progress report #4.
    Spencer, Jeffrey A
    1976-01-01 | PDF
    The Fairfax ASAP, one of 35 federally funded alcohol countermeasure projects designed to attack the problem of drunken drivers on the highways, was implemented at the community level in January 1972. This report summarizes the results of data obtained to measure the project's impact on the selected ultimate performance indicators at the end of the ...
  • Drinkingdriving knowledge attitudes and behavior an analysis of the 1973 and 1974 household surveys of the Fairfax Alcohol Safety Action Project
    Drinking-driving knowledge, attitudes and behavior : an analysis of the 1973 and 1974 household surveys of the Fairfax Alcohol Safety Action Project.
    Beare, Arthur N
    1976-01-01 | PDF
    The results of the 1974 Household Survey of the Fairfax Alcohol Safety Action Project indicated an unimpressive level of factual knowledge which had not increased significantly since the 1973 survey. There were virtually no meaningful shifts in the respondents' perceptions of the risks of driving while under the influence of alcohol or of their att ...
  • Seat belt and shoulder strap use among urban travelers a comparison of results from 1974 and 1975 surveys a report
    Seat belt and shoulder strap use among urban travelers : a comparison of results from 1974 and 1975 surveys : a report.
    Stoke, Charles B
    1976-01-01 | PDF
    During nine consecutive days in late January 1974, four major metropolitan areas of the state of Virginia were surveyed in an effort to determine seat belt use by urban travelers. Observer data collectors were stationed at selected signalized intersections. Motorists in the lane adjacent to the curb were shown a clipboard lettered with the question ...
  • Patterns of safety belt use among drivers killed in fatal crashes in Virginia
    Patterns of safety belt use among drivers killed in fatal crashes in Virginia.
    Mitchell, Deborah
    1976-01-01 | PDF
    Safety belt usage or non-usage was noted for drivers fatally injured in motor vehicle accidents in Virginia during fiscal year 1974. Data were obtained from FR300 accident report forms and available corresponding medical examiner's reports, and only those drivers in whose motor vehicles safety belts had been installed and whose deaths could be dire ...
  • A review of pavement performance on Virginias interstate system
    A review of pavement performance on Virginia's interstate system.
    McGhee, Kenneth H
    1976-01-01 | PDF
    Extensive studies of over 800 miles of divided interstate pavements constructed prior to July 1, 1975, are reported. The studies included those of performance adequacy and the identification of certain factors which appeared to adversely affect performance. The studies showed that Virginia interstate pavements have performed very well in spite of s ...
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