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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 34021 - 34040 of 36710 results
  • Quality control of highway concrete containing fly ash
    Quality control of highway concrete containing fly ash.
    Halstead, Woodrow J
    1981-01-01 | PDF
    This report is essentially a synthesis of pertinent information concerning the use of fly ash as an ingredient in concrete for highway construction. It has been prepared to provide a basis for an adequate response by the Department of Highways and Transportation to requirements of the Resource Conservation and Recovery Act and the Environmental Pro ...
  • Survey of transit bus maintenance programs in Virginia
    Survey of transit bus maintenance programs in Virginia.
    Roberts, Gary L ;
    Hoel, Lester A
    1981-01-01 | PDF
    Transit bus maintenance practices as used by thirteen small and medium-sized transit systems in Virginia were cataloged. Different approaches to maintenance were investigated and the current condition of transit bus maintenance was determined. Factors affecting the performance of transit bus maintenance were identified and recommendations were deve ...
  • Efficiency of erosion control practices of the Virginia Department of Highways and Transportation interim report
    Efficiency of erosion control practices of the Virginia Department of Highways and Transportation : interim report.
    Wyant, David C
    1981-01-01 | PDF
    Stream monitoring stations have been installed on eight construction projects under Phase 1 of this study. Monitoring on four of the projects is complete and monitoring on the remaining four is continuing. On the basis of the limited data, it appears that the amount of suspended sediment transported from a construction project in the Valley and Rid ...
  • State of the art of stream monitoring
    State of the art of stream monitoring.
    Pickral, James C
    1981-01-01 | PDF
    The study was conducted in an effort to identify methods of stream monitoring for use by the Environmental Quality Division in improving its monitoring programs. A literature search was undertaken to determine the present knowledge of the effects of excess sediment on aquatic ecosystems and to investigate possible ways to monitor the impact of sedi ...
  • The development of criteria for the treatment of right turn movements on rural roads
    The development of criteria for the treatment of right turn movements on rural roads.
    Cottrell, Benjamin H
    1981-01-01 | PDF
    The objective of this research-was to develop criteria or guidelines for the treatment of right turn movements at nonsignalized intersections on rural roads. It was necessary for the criteria to be applicable for a wide range of conditions. A survey of state departments of transportation and Virginia Department of Highways and Transportation distri ...
  • Revenue sources for financing transportation safety activities in Virginia phase three feasibility of a surcharge on traffic fines
    Revenue sources for financing transportation safety activities in Virginia : phase three, feasibility of a surcharge on traffic fines.
    Heimbach, Thomas L. ;
    Mapp, Richard C.
    1981-01-01 | PDF
    Senate Bill 85, an action of the 1978 General Assembly, amended the Code of Virginia to provide, in part, that the Division of Highway Safety be succeeded by the newly created Department of Transportation Safety effective July 1, 1978. In its Declaration of Policy, section 33.1-390, the amended Code states that it is the policy of the Commonwealth ...
  • Vehicle accidents in highway work zones
    Vehicle accidents in highway work zones.
    United States. Traffic Systems Division
    1981-01-01 | PDF
    The objective of this study was to determine the magnitude and characteristics of safety problems, in terms of reported accidents, that are associated with moving vehicular traffic around and through highway work zones. This was accomplished by examining the 2,127 reported work zone accidents that occurred in 1977 in Virginia. These represented rou ...
  • Motorcycle accident cause factors and identification of countermeasures Volume 1 technical report
    Motorcycle accident cause factors and identification of countermeasures. Volume 1 : technical report
    Hurt, Hugh H. ;
    Ouellet, J. V.
    1981-01-01 | PDF
    This report presents the data and find~ings from the on-scene, in-depthinvestigations of 900 motorcycle accidents and the analysis of 3600 trafficaccident reports of motorcycle accidents in the same study area.Comprehensive data were collected and synthesized for these accidents tocover all details of environmental, vehicle and human factors.In add ...
  • An overview on pay adjustment factors for asphalt concrete mixtures
    An overview on pay adjustment factors for asphalt concrete mixtures.
    Moore, Richard M. ;
    Mahoney, Joe P.
    1981-01-01 | PDF
    In the fall of 1979, the Oregon State Highway Division and Oregon State University, with participation from the University of Washington, initiated a research project to study the impact of variations in material properties on asphalt pavement life. The study is aimed at developing a rational approach to assessing the effects of variations from spe ...
  • The Effect of truck size and weight on accident experience and traffic operations
    The Effect of truck size and weight on accident experience and traffic operations
    United States. Federal Highway Administration. Environmental Division  ...
    1981-01-01 | PDF
    No Description
  • Driver education program status report software system
    Driver education program status report : software system.
    Korf, Jerry L ;
    Harris, Philip S
    1981-01-01 | PDF
    In April of 1980, a joint decision between Research Council personnel and representatives of the Department of Education was reached, and a project was undertaken by the Research Council to provide a software system to process the annual Driver Education status report questionnaire. The primary function of this software system is to provide two rep ...
  • Thirteenth Annual Report of the US Department of Transportation 1979
    Thirteenth Annual Report of the U.S. Department of Transportation: 1979
    United States. Department of Transportation
    1981-01-01 | U.S. Department of Transportation Annual Reports | PDF
    Submitted in compliance of Section 11 of the Department of Transportation Act, the thirteenth annual report of the Department of Transportation accounts the Department's activities during Fiscal Year 1979.
  • Use of carbon black in bituminous concrete in Virginia
    Use of carbon black in bituminous concrete in Virginia.
    Maupin, G. W
    1981-01-01 | PDF
    In an attempt to verify the claim that the addition of carbon black to bituminous concrete increases its stability and performance, a test section placed on a deformed bridge deck surface near Altavista and one on Route 360 near Richmond are being evaluated. Marshall tests on samples of the mixtures taken at the time of placement indicated an incre ...
  • Aviation medicine translations annotated bibliography of recently translated material X
    Aviation medicine translations : annotated bibliography of recently translated material, X.
    Simpson, Lena P. ;
    Goulden, D.R.
    1981-01-01 | PDF
    An annotated bibliography of translations of foreign-language articles is presented. Of the 86 listed entries, 53 are concerned with studies of shift work, and 10 are concerned with studies of alcohol.The remaining entries can be subsumed under the following descriptions: sickle cell anemia, exogenous and endogenous components of sleep and wakefuln ...
  • A laboratory evaluation of modified asphalt final report
    A laboratory evaluation of modified asphalt : final report.
    Carey, Donald E. ;
    Paul, Harold R.
    1981-01-01 | PDF
    Quality aggregate availability in southern Louisiana has reached an alarmingly low level, while naturally occurring materials (sands) have been ignored due to their poor structural properties. Recent research reported by Chem-Crete Corporation indicates that structural properties of sand mixes incorporating Chem-Crete binder compare favorably with ...
  • The effectiveness of head restraints an analysis of Texas data
    The effectiveness of head restraints : an analysis of Texas data
    Best, Clayton ;
    Whittier, Donald
    1981-01-01 | PDF
    No Description
  • Land Use Impact of Improving Pipeline Road in a Developing Area of Hurst Texas
    Land Use Impact of Improving Pipeline Road in a Developing Area of Hurst, Texas
    Cosby, Pamela J. ;
    Buffington, Jesse L.
    1981-01-01 | PDF
    Previous studies of highway construction effects on land use have focused mainly upon the effects of the construction of new highways. In view of a new emphasis upon upgrading and expanding existing facilities rather than building new ones, the need arises for information concerning the land use effects of such improvements. This report relates the ...
  • Land Use Impact of Improving West Vickery Boulevard in a Developing Area of Fort Worth Texas
    Land Use Impact of Improving West Vickery Boulevard in a Developing Area of Fort Worth, Texas
    Cosby, Pamela J. ;
    Buffington, Jesse L.
    1981-01-01 | PDF
    Previous land use studies about the effects of highway construction have focused mainly on the effects of new construction. Due to the present emphasis on upgrading and expanding existing facilities rather than building new ones, the need arises for information concerning the effects on land use of such improvements. This report relates the finding ...
  • Field Evaluation of Pavement Marking Materials Nontoxic Yellow Paint
    Field Evaluation of Pavement Marking Materials: Nontoxic Yellow Paint
    Raska, Joseph G.
    1981-01-01 | PDF
    Evaluations of traffic paint markings were conducted in an effort to determine their daytime and nighttime functionality. Included in the project initially were two formulations supplied by FHWA, a 50/50 blend of the white and yellow traffic paint currently used by the SDHPT, and the yellow traffic paint currently used by SDHPT. These traffic marki ...
  • Automotive fuel economy potential improvement through selected engine and differential gear lubricants
    Automotive fuel economy : potential improvement through selected engine and differential gear lubricants
    Naman, Ted M.
    1981-01-01 | PDF
    No Description
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