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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 32881 - 32900 of 35440 results
  • Use of fabric in flexible pavements 1980 installation report
    Use of fabric in flexible pavements, 1980 : installation report.
    Hughes, Charles S
    1981-01-01 | PDF
    Maintenance overlays that included a fabric underlayment were placed on three sections of interstate and primary highways in 1980. The fabric is intended to waterproof the old surface and strengthen the overlay. The report describes the installation and discusses the early performance of the overlaid sections.
  • Monitoring changes in stream bottom sediments and benthic invertebrates
    Monitoring changes in stream bottom sediments and benthic invertebrates.
    Pickral, James C
    1981-01-01 | PDF
    The study was conducted to determine whether the analysis of stream bottom sediments could be used to assess sediment pollution generated by highway construction. Most of the work completed to date has involved testing and refining methods for the collection and processing of sediment and benthic invertebrates ; A transect procedure was used to cha ...
  • Effect of baghouse fines on compaction of bituminous concrete
    Effect of baghouse fines on compaction of bituminous concrete.
    Maupin, G. W
    1981-01-01 | PDF
    Four bituminous mixes were tested in the laboratory to determine the effect of variations in the concentration of baghouse fines on the density and tenderness of bituminous mixes. On the basis of results indicating that the gradation of baghouse fines is the best indicator of potential problems, a procedure was recommended for checking the gradatio ...
  • Virginias mowing experiments
    Virginia's mowing experiments.
    Mahone, David C ;
    Clements, W. R
    1981-01-01 | PDF
    With construction of the interstate and arterial highway systems nearing completion, the Department's major concern has shifted to maintenance. Because the highways must be maintained to very high standards, the reduced buying power means that frugality and efficiency are essential. Consequently, the Department must continue to seek ways of cutting ...
  • A survey and photographic inventory of metal truss bridges in Virginia 18651932 VIII the Suffolk construction district
    A survey and photographic inventory of metal truss bridges in Virginia, 1865-1932 : VIII : the Suffolk construction district.
    Spero, Paula A. C ;
    Deibler, Dan Grove
    1981-01-01 | PDF
    In 1974 the Research Council initiated a statewide survey of metal truss bridges to identify any with historic significance. This pioneering effort was financed with state research funds as it was intended to aid the Virginia Department of Highways and Transportation in meeting its obligations mandated by various requirements of the environmental r ...
  • Determination of rainfall losses in Virginia phase II interim report
    Determination of rainfall losses in Virginia, phase II : interim report.
    Yu, Shaw L
    1981-01-01 | PDF
    This interim report summarizes results obtained for the project through May 1981. The objective of the study is to develop rainfall loss parameters for localities in Virginia. For this purpose, the state has been divided into eleven hydrologic regions, and loss parameters will be determined for three or more selected in each of these watersheds. Pa ...
  • 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 ...
  • 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 ...
  • Index to FAA Office of Aviation Medicine reports 1961 through 1980
    Index to FAA Office of Aviation Medicine reports : 1961 through 1980.
    Dille, J. Robert ;
    Haraway, Annabelle
    1981-01-01 | PDF
    An index to Office of Aviation Medicine Reports (1964-1978) and Civil Aeromedical Research Institute Reports (1961-1963) is presented as a reference for those engaged in aviation medicine and related activities. It provides a listing of all FAA aviation medicine reports published from 1961 through 1978 by year, number, author, title, and subject.
  • North Dakota Grain and Oilseed Transportation Statistics 197980
    North Dakota Grain and Oilseed Transportation Statistics 1979–80
    Griffin, Gene C.
    1980-12-01 | PDF
    This report represents a continuation of analyses concerned with the patterns and methods of distributing grain from North Dakota. The collection and compilation of this type of data began in 1956-57. The objective of this report, like prior reports, is to provide the necessary data base for identifying trends in the distribution of grains and oils ...
  • Evaluation of reef shell embankment final report
    Evaluation of reef shell embankment : final report.
    Melancon, James ;
    Bokun, Steve G.
    1980-12-01 | PDF
    This report discusses a method of constructing an embankment over marshland soils by end-dumping reef shell directly onto the marshland with no other major subgrade preparation. The dumped reef shell is then spread out to form a "floating" embankment over the soft marshland. This report compares the subsidence characteristics of a reef shell embank ...
  • Design and test properties of super water reducers in Portland cement concrete final report
    Design and test properties of super water reducers in Portland cement concrete : final report.
    Law, Sheldon M. ;
    Rasoulian, Masood
    1980-12-01 | PDF
    Recently, new concrete admixtures (super water reducers) have been developed and marketed by private industry. These admixtures permit the mixing and placement of very low water-cement ratio (0.32 to 0.38) concretes at conventional consistencies (slumps of 2 ½ to 3 ½ inches) with conventional equipment and slightly modified procedures. Mixes at gre ...
  • Beneficial Use of Sulfur in SulfurAsphalt Pavements
    Beneficial Use of Sulfur in Sulfur-Asphalt Pavements
    Saylak, D. ;
    Gallaway, B. M.
    1980-11-01 | PDF
    The use of sulfur as a means of upgrading poorly graded mineral aggregates for use in asphaltic concrete mixes has been under study by Shell Canada under the trade name of Thermopave® for approximately fifteen years. Laboratory work has been extensive and numerous field trials have been completed in Canada. The Texas Transportation Institute under ...
  • Background Data Required for Developing a Generalized Approach to Evaluating Impacts of Short Range Alternatives
    Background Data Required for Developing a Generalized Approach to Evaluating Impacts of Short Range Alternatives
    Chui, Margaret K. ;
    Buffington, Jesse L.
    1980-11-01 | PDF
    Demand for better transit systems has grown over the years because of the continued urbanization of the cities, population growth and recent concerns of energy conservation. Evaluation procedures developed are primarily applicable for long range analysis and for user costs and benefits analysis. State and federal transportation officials have recog ...
  • The evaluation of pavement patching materials in Oregon final report
    The evaluation of pavement patching materials in Oregon : final report.
    Quinn, William J. ;
    Beecroft, Gordon
    1980-11-01 | PDF
    This report describes the installation and evaluation of trial pavement patching materials in Oregon. The patches were placed in Portland cement concrete and bituminous concrete pavements and evaluated for periods ranging from four to twelve months.Of the five products used in patching the Portland cement concrete pavement, the epoxy concrete and t ...
  • An evaluation of improved structural materials in marine piling
    An evaluation of improved structural materials in marine piling.
    Quinn, William J.
    1980-11-01 | PDF
    A study to evaluate the production and field performance of marine piling fabricated with improved structural materials is currently being performed by the Oregon State Highway Division under the sponsorship of the Federal Highway Administration. In this study, materials that were developed mainly for bridge deck protection and rehabilitation were ...
  • Vocational options for those with sickle cell trait questions about hypoxemia and the industrial environment
    Vocational options for those with sickle cell trait : questions about hypoxemia and the industrial environment.
    McKenzie, Jess M.
    1980-11-01 | PDF
    This report is based on an oral presentation to physicians interested in the treatment of patients with sickle cell disease. Many patients have parents and siblings who possess the sickle cell trait (SCT), and who often require not only genetic counseling, but also information about their own health.Some have been informed that they cannot pursue c ...
  • The effectiveness of the 55 MPH national maximum speed limit as a life saving benefit
    The effectiveness of the 55 MPH national maximum speed limit as a life saving benefit
    Johnson, P. ;
    Klein, Terry M.
    1980-10-01 | PDF
    The report contains an analysis of the life saving benefits resulting from the 55 mph NMSL from 1974-1979. Monthly fatality data from 1970-1979 was used in a time series model to arrive at the estimated safety benefits (lives saved). The time series model relates changes in monthly fatalities to changes in monthly vehicle miles traveled, introducti ...
  • Asphaltic concrete overlays of rigid and flexible pavements final report
    Asphaltic concrete overlays of rigid and flexible pavements : final report.
    Kinchen, Richard W. ;
    Temple, William H.
    1980-10-01 | PDF
    This study evaluated the effect of a given thickness of asphaltic concrete overlay in rehabilitating 53 test sections conforming to the experiment design. This factorial design specified various levels of traffic intensity and overlay thickness for both rigid and flexible pavements. Secondary variables considered were existing pavement structure co ...
  • Membrane protection for steel stringer tops Yaquina Bay Bridge Newport Oregon construction report
    Membrane protection for steel stringer tops : Yaquina Bay Bridge, Newport, Oregon : construction report.
    Elroy, Charles W. ;
    Beecroft, Gordon
    1980-10-01 | PDF
    The experimental feature of this project was to evaluate the application and performance of Chevron Industrial Membrane applied to the tops of steel deck stringers and other similar members as corrosion protection in conjunction with the deck replacement project on this structure.
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