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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 36641 - 36660 of 36775 results
  • Compaction of bituminous concrete with selfpropelled pneumatic tire rollers in Louisiana
    Compaction of bituminous concrete with self-propelled pneumatic tire rollers in Louisiana.
    Adam, Verdi
    1958-10-01 | PDF
    The main objective of this investigation was to study the possibilities of improving the density of asphaltic concrete pavements at the time of construction to approach the values obtained during the first year of traffic service, in order to eliminate excessive rutting (longitudinal grooves) resulting from additional densification by heavy loads. ...
  • Better Transportation for Your City A Guide to the Factual Development of Urban Transportation Plans
    Better Transportation for Your City: A Guide to the Factual Development of Urban Transportation Plans
    National Committee on Urban Transportation (U.S.)
    1958-01-01 | PDF
    This handbook was prepared by the National Committee on Urban Transportation to help cities do a better job of transportation planning through systematic collection and analysis of basic facts.
  • Drainage Areas of Iowa Streams
    Drainage Areas of Iowa Streams
    Larimer, O. J
    1957-12-01 | PDF
    In order that the drainage-area information of the interior streams of Iowa be of uniform accuracy and available to all users of these data, this report has been compiled, and the drainage areas of all streams in excess of 5 square miles are listed. For the larger streams, drainage areas have been determined at numerous intermediate points. As a re ...
  • Annual Report of the Maritime Administration 1957 MARAD 1957
    Annual Report of the Maritime Administration 1957 [MARAD 1957]
    United States. Maritime Administration
    1957-10-21 | Annual Reports of the Maritime Administration | PDF
    Report of the Federal Maritime Board and Maritime Administration covering their activities for the fiscal year ended June 30, 1957.
  • Freeway Bridge Vehicle Speed and Placement Survey July 1957
    Freeway Bridge Vehicle Speed and Placement Survey, July, 1957
    Texas Highway Department
    1957-07-01 | PDF
    The intended purpose of this study was to determine the effect on traffic behavior of a vehicle stopped on the six-foot shoulder of a two-lane one-way freeway overpass. In the course of the study, however, it became evident that much of the data being collected was adaptable to further analysis dealing with the general operating characteristics of ...
  • Vehicle Speed and Placement Survey on TwoLane Rural Bridges
    Vehicle Speed and Placement Survey on Two-Lane Rural Bridges
    Texas Highway Department
    1957-06-01 | PDF
    The general objective of this study was to determine the effect of the width of two-lane roadway bridges on the lateral placement of vehicles as compared with the lateral placement on a two-lane road. The lateral placement near the end and near the middle of a long bridge was also measured to determine whether or not the vehicles moved laterally wh ...
  • Vehicle Speed and Placement Survey on TwoLane Rural Highways
    Vehicle Speed and Placement Survey on Two-Lane Rural Highways
    Texas Highway Department
    1957-03-01 | PDF
    This study was conducted primarily to obtain facts about vehicle behavior under various conditions on two lane roads as a guide to formulating future design standards. In general, the study was limited to traffic volumes that can reasonably be accommodated on two lanes. The results and findings should, therefore, be applicable only to those roads w ...
  • Parking 1957
    Parking [1957]
    Burrage, Robert H. ;
    Mogren, Edward G.
    1957-01-01 | PDF
    Progress in parking has been made in spite of discordance and difficult circumstances. From a broad outlook, most improvement has come from insistent pressures of the problem and from an increasingly realistic appreciation of probable consequences. Widespread efforts of considerable financial importance have been made in areas where the problem bec ...
  • Air Travel Forecasting 19651975
    Air Travel Forecasting: 1965-1975
    Port Authority of New York and New Jersey. Aviation Dept. Forecast and Analysis Division  ...
    1957-01-01 | PDF
    The forecast presented herein illustrates methods developed by The Port of New York Authority for measuring the market for travel by application of national survey findings to the census of population and national population projections furnished by the Bureau of the Census and Bureau of Labor Statistics. The survey findings indicated that differen ...
    Supporting Files
  • Metropolitan Transit Research Study
    Metropolitan Transit Research Study
    Schroeder Werner W.
    1956-12-14 | PDF
    Presents an historical and current overview of public transit in Chicago and discusses the steps to be taken to integrate the planning and financing of a regional transportation system for Chicago. Details the economic impact of parking and traffic congestion in Chicago and the value of creating a new organization to oversee the development of a re ...
  • Annual Report of the Federal Maritime Board and Maritime Administration 1956
    Annual Report of the Federal Maritime Board and Maritime Administration 1956
    United States. Department of Commerce
    1956-10-26 | Annual Reports of the Maritime Administration | PDF
    Annual report of the Federal Maritime Board and Maritime Administration of the Department of Commerce for fiscal year 1956.
  • Program for a Census of Transportation A Series of Transportation Surveys
    Program for a Census of Transportation: A Series of Transportation Surveys
    United States. Department of Commerce. Under Secretary of Commerce for Transportation
    1956-08-07 | PDF
    The need for a census of transportation has been analyzed and discussed by many groups over the past decade. In appraising the various factors, maximum use was made of those prior efforts. The Bureau of the Census cooperated closely on all phases. In addition, assistance was wholeheartedly made available by other Government departments and many seg ...
  • Highway Traffic Estimation
    Highway Traffic Estimation
    Schmidt, Robert E. ;
    Campbell, M. Earl
    1956-01-01 | PDF
    Over the centuries, land travel has evolved from foot to wheel to self-propelled vehicle. With each advance in mode, there has ensued a dramatic revolution in distance, time, and travel pattern. Within memory there was a period of relatively little travel as compared to the motor vehicle age. Man lived a quiet life in the neighborhood of his birth, ...
  • New Yorks Air Travelers
    New York's Air Travelers
    Port Authority of New York and New Jersey. Aviation Dept. Forecast and Analysis Division  ...
    1956-01-01 | PDF
    The survey which is the subject of this report was conducted as a joint undertaking by the domestic airlines serving La Guardia, New York International, and Newark Airports and The Port of New York Authority, to determine some of the basic characteristics of air travelers using these airports. The rapid and undiminished growth of air travel volume ...
  • Shopping Centers Locating Controlled Regional Centers
    Shopping Centers: Locating Controlled Regional Centers
    Kelley, Eugene J.
    1956-01-01 | PDF
    This is a study of the problem of locating controlled regional shopping centers. Three questions were of primary concern. What is the role of social science theory in CRSC site selection? What are the procedures used in selecting a site for a CRSC? What are the characteristics of a desirable site? The locational processes used in selecting six of t ...
  • First Progress Report on Hydraulics of Short Pipes Hydraulic Characteristics of Commonly Used Pipe Entrances
    First Progress Report on Hydraulics of Short Pipes: Hydraulic Characteristics of Commonly Used Pipe Entrances
    French, John L.
    1955-12-28 | PDF
    This report is a progress report issued to the sponsoring agency to summarize the completed experimental work of the investigation. The analysis of the data presented and the conclusions drawn from the data are tentative and subject to change as the continuing experimental work of the project makes further data available. In this connection this fi ...
  • Annual Report of the Federal Maritime Board and Maritime Administration 1955
    Annual Report of the Federal Maritime Board and Maritime Administration 1955
    United States. Department of Commerce
    1955-10-17 | Annual Reports of the Maritime Administration | PDF
    Federal Maritime Board and Maritime Administration covering their activities for the fiscal year ended June 30, 1955.
  • A Report on Some Factors Affecting the Life of Steel Pilings in the Texas Gulf Coast Area
    A Report on Some Factors Affecting the Life of Steel Pilings in the Texas Gulf Coast Area
    Gallaway, Bob M.
    1955-10-01 | PDF
    This report covers a corrosion survey study as applied to underground members of highway structures of the Gulf Coastal Area of Texas, an area fifty to seventy-five miles wide extending from the Rio Grande River to the Louisiana state line. In seeking an answer to the question of whether or not serious corrosion of plain carbon steel pilings may be ...
  • Trans World Airlines Inc Castleton Inc near Greater Cincinnati Airport Covington Kentucky January 12 1955
    Trans World Airlines, Inc., Castleton, Inc., near Greater Cincinnati Airport, Covington, Kentucky, January 12, 1955.
    Rizley, Ross ;
    Adams, Joseph P.
    1955-07-08 | PDF
    At 0904, January 12, 1955, a Trans World Airlines Martin 202A, N 93211, and a Douglas DC-3C, N 999B, owned by Castleton, Inc., collided near the Greater Cincinnati Airport approximately two minutes after takeoff of the TWA flight. All 13 persons aboard the TWA aircraft and the pilots, sole occupants of the DC-3, were killed. Both aircraft were demo ...
  • Use of Poisson Distribution in Highway Traffic The Probability Theory Applied to Distribution of Vehicles on TwoLane Highways
    Use of Poisson Distribution in Highway Traffic. The Probability Theory Applied to Distribution of Vehicles on Two-Lane Highways
    Gerlough, Daniel L. ;
    Schuhl, Andre´
    1955-01-01 | PDF
    A theoretical study of conditions affecting the traffic of vehicles on a highway requires the constant use of probability theory. Poisson's law, applying to rare events, has been the chief theoretical instrument for dealing with problems of vehicular traffic on two or three lane highways, especially in the problem of determining the distribution of ...
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