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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 34141 - 34160 of 35412 results
  • Truck and Rail Shipments of Grain From North Dakota Country Elevators 19711972
    Truck and Rail Shipments of Grain From North Dakota Country Elevators 1971–1972
    Tosterud, Robert J
    1973-10-01 | 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 contents of this report, like its predecessors, is designed to provide the necessary data base for identifying trends in the distribution of grai ...
  • Computerization of material test data reporting system interim report
    Computerization of material test data reporting system : interim report.
    Shah, S. C. ;
    Smith, J. T.
    1973-09-01 | PDF
    This study was initiated to provide an integrated system of reporting, storing, and retrieving of construction and material test data using computerized (storage-retrieval) and quality control techniques. The findings reported in this interim report cover the development and implementation of the system of reporting test data generated by the Mater ...
  • Analytical Problems in Modeling Slurry Wall Construction
    Analytical Problems in Modeling Slurry Wall Construction
    Clough, G. Wayne
    1973-09-01 | PDF
    Three aspects of slurry wall construction are considered, These are (1) the alteration of the initial stress state in the soil adjacent to the wall by the trench excavation and support process, (2) the further alteration of the initial stress condition for a cast-in-place wall by placement of the high density concrete slurry and subsequent shrinkag ...
  • Interim report on roughness measurement of elevated roadway sections I10 Laplace Kenner I10 Henderson Grosse Tete
    Interim report on roughness measurement of elevated roadway sections : I-10 Laplace - Kenner, I-10 Henderson - Grosse Tete.
    Louisiana. Department of Highways. Research and Development Section
    1973-09-01 | PDF
    Two sections of Interstate 10 have been selected for study to determine the initial roughness and subsequent change in roughness with time. The two sections represent different design and construction procedures.Section 1 is located on I-10 between LaPlace and Kenner and is approximately 12 miles in length. This section was constructed with precast ...
  • Bridge Rating and Analysis Structural System BRASS Vol II Example Problems
    Bridge Rating and Analysis Structural System (BRASS): Vol. II. Example Problems
    Johnston, Ralph R. ;
    Dya, Robert H.
    1973-09-01 | PDF
    This report is the second volume in a series of three volumes. the titles of the three volumes are: I, System Reference Manual; II, Example Problems; and III, Programming Aids. The material in this volume-Example Problems-- includes test data for eight typical highway bridge loading analysis and rating problems. In addition, it includes the solutio ...
  • Bridge Rating and Analysis Structural System BRASS Vol I System Reference Manual
    Bridge Rating and Analysis Structural System (BRASS): Vol. I. System Reference Manual
    Johnston, Ralph R. ;
    Dya, Robert H.
    1973-09-01 | PDF
    This report is the first volume in a series of three volumes. The titles of the three volumes are: I, System Reference Manual; II, Example Problems; and III, Programming Aids. The material in this volume lists and describes the components of the System which include Bridge Design, Structural Inventory, Deck Design and Review. Structural Analysis, S ...
  • Grooving of concrete pavements final report
    Grooving of concrete pavements : final report.
    Walters, William C. ;
    Bokun, Steve G.
    1973-08-01 | PDF
    This project was initiated by the Louisiana Department of Highways in cooperation with the Federal Highway Administration to determine whether transverse diamond cut grooves of a certain style (Christensen Style 7) placed in hardened concrete in several configurations including a solid pattern and various gapped patterns (cut 3 feet and skip 2, 3 a ...
  • Static and Buckling Analysis of Highway Bridges by Finite Element Procedures
    Static and Buckling Analysis of Highway Bridges by Finite Element Procedures
    Johnson, C. Philip ;
    Thepchatri, Thaksin
    1973-08-01 | PDF
    This research focused on the application of finite element computer programs to complex bridge structures which may be idealized as an assemblage of one and two-dimensional elements. Each two-dimensional element may be either triangular or quadrilateral in shape. They may be arbitrarily located in space by merely specifying the coordinates at the c ...
  • CostEffectiveness Analysis A Priority System for Roadside Safety Improvements
    Cost-Effectiveness Analysis: A Priority System for Roadside Safety Improvements
    Woods, Donald L.
    1973-08-01 | PDF
    This report presents the general concept of the Cost-Effectiveness analysis procedure for roadside safety improvement alternatives, as well as the necessary information for interpretation and effective utilization of the Cost- Effectiveness computer program output. Typical outputs from the program are included, and these data are utilized to illust ...
  • Creep and Shrinkage of Concrete Based on Major Variables Encountered in the State of Texas
    Creep and Shrinkage of Concrete Based on Major Variables Encountered in the State of Texas
    Ingram, Leonard L. ;
    Furr, Howard L.
    1973-08-01 | PDF
    The effects of creep and shrinkage strains in concrete are dependent on variables such as materials, stress level, and environment. In this investigation, creep and shrinkage strains as functions of time were determined for four different concretes from four different geographical areas of Texas (Dallas, San Antonio, Odessa, Lufkin). These four loc ...
  • Accuracy of Trip End Estimates from the Home Interview Survey
    Accuracy of Trip End Estimates from the Home Interview Survey
    Stover, Vergil G. ;
    Benson, J. D.
    1973-08-01 | PDF
    This report presents the results of a study of the accuracy of home interview survey data in estimating zonal trip ends. The study is based on 100 percent survey data collected by the Texas Highway Department in three apparently homogeneous, adjacent zones in San Antonio. The general data analysis confirmed the homogeneity of the travel characteris ...
  • Major Interchange Design Operation and Traffic Control Vol 2 Appendixes A G
    Major Interchange Design, Operation, and Traffic Control: Vol. 2. Appendixes A - G
    Taylor, J.I.
    1973-07-01 | PDF
    The objectives of this research project were to develop improved design procedures and guidelines for major (i.e., freeway-to-freeway) interchanges through the examination and analysis of existing design procedures and current freeway operational characteristics. Pertinent information was gathered through a review of the literature, conversations w ...
  • Sonic boom startle effects report of a field study
    Sonic boom startle effects : report of a field study.
    Thackray, Richard I. ;
    Rylander, Ragnar
    1973-07-01 | PDF
    The study reports the results of a sonic boom field study conducted in Sweden during October 1972. Ten female subjects were tested indoors on each of six days. Two age groups were studied: 20-35 and 50-65 years. Fighter aircraft flying at various heights over the test site produced booms with outdoor overpressures ranging from 60-640 N/sq.m. The nu ...
  • Assessment of Noise Environments Around Railroad Operations
    Assessment of Noise Environments Around Railroad Operations
    Swing, Jack W ;
    Pies, Donald B
    1973-07-01 | PDF
    The railroad industry has moved to supplement the current knowledge in the areas of prediction of noise emitted by railroad operations in anticipation of Federal and State regulations concerning the environment. This report is largely directed at satisfaction of the "noise elements" portion of the State of California Code Number 65302 and to provid ...
  • Broadcast Tuesday June 19 1973
    Broadcast: Tuesday, June 19, 1973
    United States. Department of Transportation
    1973-06-19 | PDF
    President Nixon signed a law increasing funding for the development of airports in the United States and prohibiting head-taxes at most airports.
  • Project FARE Task III Report Urban Mass Transportation Industry Reporting System Design Interim Task III Report for November 1972June 1973 Period Part III Reporting System Forms
    Project FARE Task III Report: Urban Mass Transportation Industry Reporting System Design: Interim Task III Report for November 1972–June 1973 Period. Part III – Reporting System Forms
    Harvey, David L. ;
    Nagel, John W.
    1973-06-01 | PDF
    The report contains a description of the proposed uniform reporting system for the urban mass transit industry. It is presented in four volumes: Part I - Task Summary contains a description of how Task III was accomplished and the conclusions and recommendations reached at the end of the task. Part II - Reporting System Instructions contains genera ...
  • Project FARE Task III Report Urban Mass Transportation Industry Reporting System Design Interim Task III Report for November 1972June 1973 Period Part IV Commuter Rail Reporting
    Project FARE Task III Report: Urban Mass Transportation Industry Reporting System Design: Interim Task III Report for November 1972–June 1973 Period. Part IV – Commuter Rail Reporting
    Harvey, David L. ;
    Nagel, John W.
    1973-06-01 | PDF
    This report contains a description of the proposed uniform reporting system for the urban mass transit industry. It is presented in four volumes: Part I - Task Summary contains a description of how Task III was accomplished and the conclusions and recommendations reached at the end of the task. Part II - Reporting System Instructions contains gener ...
  • Inflight performance of civilian pilots using movingaircraft and movinghorizon attitude indicators
    In-flight performance of civilian pilots using moving-aircraft and moving-horizon attitude indicators.
    Hasbrook, A. Howard ;
    Rasmussen, Paul G.
    1973-06-01 | PDF
    The in-flight performance of civilian instrument-rated pilots using two different types of attitude indicators in a general aviation aircraft was measured during typical instrument flying maneuvers. The instruments were an inside-out (moving-horizon) indicator and an outside-in (moving aircraft) indicator. The subjects were divided into low and hig ...
  • Height and weight errors in aeromedical certification data
    Height and weight errors in aeromedical certification data.
    Lategola, Michael T ;
    Lynn, Clyde A.
    1973-06-01 | PDF
    The Framingham Relative Weight Index (FRWI) of obesity was described in previous reports as a screening aid for detecting susceptibility to coronary heart disease (CHD). FRWI calculation requires measured values of height and weight but the height and weight values on standard airman medical applications are usually stated estimates of the examinee ...
  • Analyses of Rail Vehicle Dynamics in Support of Development of the Wheel Rail Dynamics Research Facility Interim Report
    Analyses of Rail Vehicle Dynamics in Support of Development of the Wheel Rail Dynamics Research Facility: Interim Report
    Weinstock, Herbert.
    1973-06-01 | PDF
    The development of experimental facilities for rail vehicle testing at the DOT High Speed Ground Test Center is being complemented by analytical studies. The purpose of this effort has been to gain insight into the dynamics of rail vehicles to guide the equipment development and to establish an analytic framework for the design and interpretation o ...
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