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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 33361 - 33380 of 35412 results
  • An evaluation of the importance of transit service to minority groups in Texas
    An evaluation of the importance of transit service to minority groups in Texas.
    Lede, Naomi W.
    1978-03-01 | PDF
    The report presents the results of a survey of minority group transit needs in nine (9) urbanized and non-urbanized areas in Texas. The sample areas include: Houston, Galveston, Dallas, Fort Worth, Austin, Huntsville, New Waverly, Willis, and Conroe.The objectives of the study are: (1) to determine the travel needs and other factors which appear to ...
  • Design criteria for median turn lanes
    Design criteria for median turn lanes.
    Walton, C. Michael ;
    Horne, Thomas W.
    1978-03-01 | PDF
    This study was initiated with an extensive literature review and survey ofleft-turn median lane practices in Texas cities. The initial phase identifiedcharacteristics of urban arterial accidents, basic design elements, current use ofleft-turn lanes, and existing guidelines for left-turn installations. Variousstudy methods for the investigations of ...
  • The relationship of predevelopmental 150 training with noncompetitively selected air traffic control trainees to FAA Academy success
    The relationship of predevelopmental "150" training with noncompetitively selected air traffic control trainees to FAA Academy success.
    Boone, James O.
    1978-03-01 | PDF
    Past studies have demonstrated that women and minorities are less likely to be selected as FAA air traffic controllers than are nonminority men, and, when selected, are less likely to be successful. One major reason for this is that women and minorities have less aviation-related background experience. In response to this need the '150' Predevelopm ...
  • A comparison of the vigilance performance of men and women using a simulated radar task
    A comparison of the vigilance performance of men and women using a simulated radar task.
    Thackray, Richard I. ;
    Touchstone, R. Mark
    1978-03-01 | PDF
    The present study examined the question of possible sex differences in the ability to sustain attention to a complex monitoring task requiring only a detection response to critical stimulus changes. The visual display was designed to approximate a futuristic, highly automated air traffic control radar display containing computer-generated alphanume ...
  • Threedimensional anthropometry of the adult face
    Three-dimensional anthropometry of the adult face.
    Young, J.W. ;
    Pinski, M.S.
    1978-03-01 | PDF
    This study describes a new three-dimensional anatomical axis system based on four conventional anthropometrical face landmarks. Coincident as a coordinate (orthogonal) axis system, this reference system was developed to provide convenient orientation of the head segment and any surface landmark in three-dimensional space for direct comparisons with ...
  • Spatial disorientation in general aviation accidents
    Spatial disorientation in general aviation accidents.
    Kirkham, William R. ;
    Collins, William E.
    1978-03-01 | PDF
    Spatial disorientation (SD) refers to an incorrect self-appraisal of the attitude or motion of the pilot and his aircraft with respect to the earth. This paper defines elements of SD problems as encountered in general civil aviation. Accident reports made by the National Transportation Safety Board for a recent 6-year period were reviewed. Statisti ...
  • Comparison of the visual perception of a runway model in pilots and nonpilots during simulated night landing approaches
    Comparison of the visual perception of a runway model in pilots and nonpilots during simulated night landing approaches.
    Mertens, Henry W.
    1978-03-01 | PDF
    At night, reduced visual cues may promote illusions and a dangerous tendency for pilots to fly low during approaches to landing. Relative motion parallax (a difference in rate of apparent movement of objects in the visual field), a cue that can contribute to visual judgments of glide path angle, was studied for its effect on the nighttime approach ...
  • Evaluation of drainage pipe by field experimentation and supplemental laboratory experimentation interim report No 2
    Evaluation of drainage pipe by field experimentation and supplemental laboratory experimentation : interim report No. 2.
    Kinchen, Richard W. ;
    Temple, William H.
    1978-03-01 | PDF
    Louisiana's Office of Highways reacts to a major problem when it attempts to shape and control drainage patterns along its right-of-ways. The Office's design engineers meet this challenge through proper section design and appropriate application of drainage structures.Perhaps the most common structure that these design engineers use is the drainage ...
  • Evaluation Methodologies for Nine Federal Motor Vehicle Safety Standards FMVSS 105 108 122 202 207 213 220 221 222
    Evaluation Methodologies for Nine Federal Motor Vehicle Safety Standards: FMVSS 105, 108, 122, 202, 207, 213, 220, 221, 222
    Northrop, Gaylord M. ;
    Ball, John T.
    1978-03-01 | PDF
    This is the Final Report of two studies to develop methodologies for evaluating a total of nine Federal Motor Vehicle Safety Standards:FMVSS 105 Hydraulic Brake Systems on Passenger Cars; FMVSS 108 Side Marker Lamps; FMVSS 122 Motorcycle Brake Systems; FMVSS 202 Head Restraints; FMVSS 207 Seating Systems; FMVSS 213 Child Seating Systems; FMVSS 220 ...
  • Statistical Policy Working Paper 1 Report on statistics for allocation of funds
    Statistical Policy Working Paper 1. Report on statistics for allocation of funds
    United States. Federal Committee on Statistical Methodology
    1978-03-01 | PDF
    This report examines the formulas used in allocating Federal funds to States and local areas. To understand the behavior of these formulas, one must understand the various aspects of the data, such as definitions, methods of collection, and methods of analysis. The objective of the Subcommittee was to study from the statistical standpoint, possible ...
  • NonUser Impacts of Different Highway Designs as Measured by Land Use and Land Value Changes
    Non-User Impacts of Different Highway Designs as Measured by Land Use and Land Value Changes
    Buffington, Jesse L. ;
    Herndon Jr, Cary W.
    1978-03-01 | PDF
    Many studies are found in the literature pertaining to highway impacts on nonusers. This report contains a review of the types of highway impacts, highway impact assessment elements, techniques available to measure land use and land value impacts, and findings of previous studies which indicate the magnitude of land use and land value changes resul ...
  • Land Use Impact of Widening State Highway 30 in an Undeveloped Area of College Station Texas
    Land Use Impact of Widening State Highway 30 in an Undeveloped Area of College Station, Texas
    Cosby, Pamela J. ;
    Buffington, Jesse L.
    1978-03-01 | PDF
    Previous studies on the effects of highway construction upon 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 effects of such improvements upon land use. This repo ...
  • Measurements of Pavement Performance Using Statistical Sampling Techniques
    Measurements of Pavement Performance Using Statistical Sampling Techniques
    Mahoney, J. P. ;
    Lytton, R. L.
    1978-03-01 | PDF
    Two methods are examined which provide objective pavement performance information about the Texas highway system. These methods are sampling surveys and a complete inventory of all pavements. A sampling survey has been conducted in all twenty-five SDHPT districts and results from the survey are discussed. These results include measures of roughness ...
  • Some Conversations About Yard Computer Systems
    Some Conversations About Yard Computer Systems
    Wong, Peter
    1978-02-10 | PDF
    The article contrasts minimal vs. sophisticated MIS computer system requirements in terms of the level of functionality and support that each could provide for yard operations.
  • Use of the occupational knowledge test to assign extra credit in selection of air traffic controllers
    Use of the occupational knowledge test to assign extra credit in selection of air traffic controllers.
    Lewis, Mary A.
    1978-02-01 | PDF
    The Occupational Knowledge Test (OKT) 101-B was administered to 784 air traffic control trainees who entered the FAA Academy's 16-week training course in 1976. All trainees completed the nonradar laboratory portion of the training and in addition completed a preemployment questionnaire. Based on responses to the questionnaire, the trainees were ass ...
  • Radiobiological aspects of high altitude flight relative biological effectiveness of fast neutrons in suppressing immune capacity to an infective agent
    Radiobiological aspects of high altitude flight : relative biological effectiveness of fast neutrons in suppressing immune capacity to an infective agent.
    Friedberg, Wallace ;
    Neas, Barbara R.
    1978-02-01 | PDF
    We investigated the relative biological effectiveness (RBE) of fast neutrons compared with X-rays in impeding development of immunity to an infective agent, the intestinal cestode Hymenolepis nana. Mice were irradiated with neutrons or X-rays and 2 days later given an immunizing dose of H. nana eggs. After another 2 days, the mice received a challe ...
  • Evaluation of seating and restraint systems and anthropomorphic dummies conducted during fiscal year 1976
    Evaluation of seating and restraint systems and anthropomorphic dummies conducted during fiscal year 1976.
    Chandler, Richard F. ;
    Trout, Edwin M.
    1978-02-01 | PDF
    The results of test programs conducted by the Protection and Survival Laboratory to investigate the performance of prototype or operational seating and restraint systems relative to their ability to provide protection against crash injury and to investigate the performance of anthropomorphic dummies in the dynamic environment are reported. The data ...
  • A Structural Survey of Classes of Vehicles for Crashworthiness
    A Structural Survey of Classes of Vehicles for Crashworthiness
    Widmayer, Edward
    1978-02-01 | PDF
    This document reviews three phases of a study conducted to evaluate and improve the crashworthiness of passenger carrying vehicles in intercity service. Phase I surveyed the accident data over a period 1966 to 1973 and identified those areas responsible for the mS3jority of accidents involving human injury (both operating personnel and fare-paying ...
  • Beneficial Use of Sulphur in SulphurAsphalt Pavements Quarterly Progress Report No1 Project RF 3644 Period 1 October 1877 Sic to 30 December 1977
    Beneficial Use of Sulphur in Sulphur-Asphalt Pavements: Quarterly Progress Report No.1, Project RF 3644, Period 1 October 1877 [Sic] to 30 December 1977
    Saylak, D. ;
    Gallaway, B. M.
    1978-02-01 | PDF
    This report is written in two sections. Part A deals with the results the second sampling (designated I+6) of the experimental sulphur-asphalt test sections on U.S. 77 in Kenedy County, Texas. The initial sampling (designated I) was reported earlier (Ref. 3) and is also included in this submission for comparison purposes. The second section, Part B ...
  • Yard Hardware Components and Their Functions
    Yard Hardware — Components and Their Functions
    Kiang, Robert L
    1978-01-11 | PDF
    In our discussions with various railroad personnel, suppliers, and consultants, we are left with the impression that yard design know-how is possessed by a handful of people scattered within the railroad industry. Most of their valuable knowledge is either undocumented or obscurely documented. The need for a systematic compilation of this scattered ...
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