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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 32981 - 33000 of 35440 results
  • Mass transportation energy conservation and contingency planning
    Mass transportation energy conservation and contingency planning
    United States. Department of Transportation  ...
    1980-01-01 | PDF
    No Description
  • Hybrid materials substitution for Oldsmobile Omega Xbody components final report
    Hybrid materials substitution for Oldsmobile Omega X-body components : final report
    Cross, Stan ;
    null
    1980-01-01 | PDF
    No Description
  • Elastic stress analysis of general prismatic beams final report
    Elastic stress analysis of general prismatic beams : final report.
    Leftwich, Steven Del ;
    Barton, F. W
    1980-01-01 | PDF
    This study developed a numerical methodology for the elastic stress analysis of general prismatic beams. The objective was to accurately determine stresses and displacements on a cross section of a beam where the stress resultants are prescribed. Applied loads may include axial force, bending moment, uniform (constant) torsion, constant (transverse ...
  • Use of fly ash in concrete by state transportation and highway departments
    Use of fly ash in concrete by state transportation and highway departments.
    Halstead, Woodrow J
    1980-01-01 | PDF
    This report provides a summary of replies to a questionnaire on the use of fly ash and blended cement (Type IP) in concrete. The questionnaire was directed to members of the Subcommittee on Materials of the American Association of State Highway Officials.The states' representatives on this subcommittee are usually the state materials engineers. The ...
  • Planning for pedestrians within the highway environment
    Planning for pedestrians within the highway environment.
    Arnold, E. D ;
    Robins, Roni
    1980-01-01 | PDF
    The guidelines currently utilized to evaluate the need for pedestrian accommodations in suburban areas were reviewed and summarized. Information was obtained from the literature, a mail survey, and personal interviews. Recommendations were developed for use in pedestrian planning. A handbook was prepared to assist planners and engineers in deciding ...
  • Comparison of highway striping materials
    Comparison of highway striping materials.
    Shepard, Frank D
    1980-01-01 | PDF
    This study was undertaken to investigate problems relating to the durability of pavement striping materials used by the Department. The research was limited to an evaluation of the durability and retroreflectance characteristics of selected paints, thermoplastics, and preformed tapes recommended by the Materials Division for use as centerline and e ...
  • Evaluation of filter fabrics for use in silt fences
    Evaluation of filter fabrics for use in silt fences.
    Wyant, David C
    1980-01-01 | PDF
    The study reported was initiated to develop tests simulating field conditions that could be used to develop information for the formulation of specifications for use in purchasing filter fabrics to be used to construct silt fences. Fifteen fabrics were subjected to six tests devised to evaluate their performance. Results of the tests were used to d ...
  • Feasibility of using nopassingzone signs on twolane highways in Virginia
    Feasibility of using no-passing-zone signs on two-lane highways in Virginia.
    Robertson, R. N
    1980-01-01 | PDF
    The Department had placed no-passing-zone signs on selected routes at numerous narrow bridge delineations, and was considering use of the signs on all two-lane primary routes. Because accident and cost data for Virginia were limited, information was compiled from evaluations conducted in other states.
  • Evaluation of subgrade moduli for flexible pavements in Virginia final report
    Evaluation of subgrade moduli for flexible pavements in Virginia : final report.
    McGhee, Kenneth H ;
    Vaswani, N. K
    1980-01-01 | PDF
    Advances in pavement design technology in recent years have led to more dependence on mechanistic approaches and less reliance on subjective design criteria. In Virginia, the tendency is toward a pavement design and evaluation methodology based on elastic design theories. Underlying this design approach is a need to determine the elastic properties ...
  • Evaluation of parking management strategies for urban areas final report
    Evaluation of parking management strategies for urban areas : final report.
    Parker, Martin R ;
    Demetsky, Michael J
    1980-01-01 | PDF
    The state of the art of parking management in urban areas in the United States was established using an extensive review of the literature and a nationwide questionnaire survey that was distributed to 458 city officials, 173 of whom responded. Based on the information thus obtained, key elements of parking management were identified including group ...
  • Mulch evaluation and managing vegetation in medians final report
    Mulch evaluation and managing vegetation in medians : final report.
    McIlvaine, P. J ;
    Blaser, R. E
    1980-01-01 | PDF
    Experiments show best erosion control and vegetation with straw mulch, all wood or paper fiber mulches being suitable tacking agents at rates of 750 lb/A. When used alone, standard woodfiber generally gave better vegetative cover than paperfiber; however, all fiber mulches are acceptable when applied at 1500 or 2500 lb/A. Sparse grass stands in med ...
  • Review and analysis of Virginia traffic law affecting bicycle safety
    Review and analysis of Virginia traffic law affecting bicycle safety.
    Stoke, Charles B ;
    Shean, Owen J
    1980-01-01 | PDF
    In response to House Joint Resolution #105, passed during the 1980 session of the Virginia General Assembly, a study was made to assess the nature and scope of the bicycle-motor vehicle crash problem in the Commonwealth, to determine which provisions of the Code of Virginia were inadequate to address the recent trend toward increased bicycle use, a ...
  • An evaluation of the effect of level of service and cost on demand for intercity bus travel final report
    An evaluation of the effect of level of service and cost on demand for intercity bus travel : final report.
    Purdy, Jeffrey E ;
    Hoel, Lester A
    1980-01-01 | PDF
    This report describes an evaluation of the effect on intercity bus ridership of changes in frequency of service and cost. The study was based on a comparison of travel between 19 selected cities in Virginia served by air, bus, or rail. These modes were compared with highway travel by auto using various assumptions of energy availability. The effect ...
  • The development of a methodology for transportation safety planning in Virginia
    The development of a methodology for transportation safety planning in Virginia.
    Simpson, Clinton H ;
    Plevin, Amy J
    1980-01-01 | PDF
    Senate Bill 85, passed by the General Assembly in 1978, renamed the former Highway Safety Division of Virginia the Department of Transportation Safety (VDTS) and authorized it to assume control over safety activities in all modes of transportation. This volume is the first attempt at formulating a methodology for transportation safety planning. Fut ...
  • Relationships between highway noise noise mitigation and residential housing values
    Relationships between highway noise, noise mitigation, and residential housing values.
    Allen, Gary R
    1980-01-01 | PDF
    This report presents the findings of a study of the relationship between different noise levels and market values for a sample of 206 single-family residences abutting I-495 in Northern Virginia and for a sample of 207 residences along two heavily traveled urban streets in the Tidewater area of Virginia. Estimates of the influence of noise on the m ...
  • Selected bibliography on parking management
    Selected bibliography on parking management.
    Parker, Martin R ;
    Demetsky, Michael J
    1980-01-01 | PDF
    Two hundred thirty-two references on parking management are listed in accordance with 16 subject areas to provide sources to supplement the study findings that are documented in a separate report.
  • Jointless bridges interim report
    Jointless bridges : interim report.
    Zuk, William
    1980-01-01 | PDF
    Presented is a summary of jointless bridge designs as twelve states; namely, California, Colorado, Idaho, Iowa, Kansas, Missouri, Nebraska, North Dakota, South Dakota, Tennessee, Virginia, and Wisconsin. Most of these states use some form of integral abutments for their steel or concrete structures. Bridges of lengths up to about 600 ft. (180 m) co ...
  • Recycling of watersusceptible pavements
    Recycling of water-susceptible pavements.
    Maupin, G. W
    1980-01-01 | PDF
    Several bituminous concrete interstate pavements that experienced failures suspected to have been caused by stripping were investigated. On two projects, the degree of deterioration, potential serviceability, and possible remedial measures were studied. Cores were taken to determine the degree of stripping and tensile strength, and dynaflect tests ...
  • Methods of modifying historic bridges for contemporary use
    Methods of modifying historic bridges for contemporary use.
    Zuk, William ;
    Newlon, Howard
    1980-01-01 | PDF
    Studied by a team of experts in the fields of history, bridge engineering, architecture, and computer analysis were 21 old truss bridges of historical importance located in Virginia. These old bridges are narrow and have low load-carrying capacities, making them targets for replacement and destruction. On a case-by-case basis, the bridges were inve ...
  • Efficiency in bus stop location and design
    Efficiency in bus stop location and design.
    Lin, Brian Bin-Mau ;
    Demetsky, Michael J
    1980-01-01 | PDF
    The research reported here identified those elements associated with the location and design of bus stops that affect the efficiency of transit and traffic operations, and developed guidelines to assist transportation engineers and planners in technical and policy decisions concerning bus stops in urban areas. Two nationwide questionnaire surveys, ...
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