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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 33541 - 33560 of 36710 results
  • Alaska Road Commission Historical Narrative
    Alaska Road Commission Historical Narrative
    Naske, C-M
    1983-06-01 | PDF
    This book chronicles the activities of the Alaska Road Commission from its inception in 1905 to its disbanding in 1956, so that Alaska could participate in the Federal Aid Highway Act. Originally part of the War Department and transferred to the US Department of the Interior in 1932, the Federal agency was responsible for the construction of roads ...
  • Effectiveness of Priority Entry Ramps in Texas
    Effectiveness of Priority Entry Ramps in Texas
    Mounce, John M. ;
    Fitzgerald, A. V.
    1983-06-01 | PDF
    Priority entry ramps have been operational in Dallas and Houston for approximately five years. An evaluation of these installations indicated three of the four sites exhibited positive benefits in terms of delay savings to high-occupancy vehicle patrons authorized to use the priority entry ramp. Significant cost-effectiveness was found to be associ ...
  • Development of a methodology for accident causation research
    Development of a methodology for accident causation research
    Joksch, Hans C. ;
    Knoop, Jim C.
    1983-06-01 | PDF
    The obj ective of this study was to fully develop and apply a me thodology tostudy accident causation, uhich was outlined in a previous study . " Causal" factorsare those pre-crash factors, which are statistically related to the accident ratefor specific types of accidents, in specific pre-crash situations. To calculateaccident rates, exposure meas ...
  • Radar Training Facility initial validation
    Radar Training Facility initial validation.
    Boone, James O.
    1983-05-01 | PDF
    The Radar Training Facility (RTF), part of the Federal Aviation Administration Academy located at the Oklahoma City Mike Monroney Aeronautical Center, is designed to identify, as early as possible, air traffic control specialists who do not demonstrate sufficient potential to perform at radar tasks at the journeyman level. An extensive initial vali ...
  • Evaluation of dense bridge floor concrete using high range water reducer superplasticizer
    Evaluation of dense bridge floor concrete using high range water reducer (superplasticizer).
    Smith, Richard D.
    1983-05-01 | PDF
    The objectives of this research project are: (1) To determine the feasibility of proportioning, mixing, placing and finishing a dense portland cement concrete in a bridge floor using conventional mixing, placing and finishing equipment. (2) To determine the economics, longevity, maintenance performance and protective qualities of a dense portland c ...
  • Sulphur Extended Asphalt Field Trials on MH 153 Brazos County Texas Progress Report No 8
    Sulphur Extended Asphalt Field Trials on MH 153, Brazos County, Texas. Progress Report No. 8
    Benson, F. C. ;
    Gallaway, B. M.
    1983-05-01 | PDF
    The major purpose of this project was to conduct construction and post-construction testing and evaluation of a sulfur extended asphalt (SEA) experimental test section located on MH 153 (Wellborn Road in the cities of Bryan and College Station) in Brazos County, Texas. This section of roadway was in District 17 of the Texas State Department of High ...
  • An analysis of potential breathing devices intended for use by aircraft passengers
    An analysis of potential breathing devices intended for use by aircraft passengers.
    deSteiguer, D. ;
    Saldivar, J.T.
    1983-05-01 | PDF
    This report presents the results of tests performed to examine concepts for the development of a passenger-type protective breathing device which would provide protection from toxic smoke/fumes produced during an in- flight fire and afford some protection during emergency evacuations. Data examined include expiratory P02, PN2, PC02; inspiratory PC0 ...
  • Automobile Accident Reconstruction by Dynamic Simulation
    Automobile Accident Reconstruction by Dynamic Simulation
    Reed, Walter S
    1983-05-01 | PDF
    The overall motivation for this study is to improve the safety of automobile travel through a better understanding of the predominant characteristics which lead to an accident and influence injury severity. Quantification of conditions of accidents and vehicle and occupant behavior have currently led to many improvements in the design of vehicles a ...
  • Cantilever Retaining Wall Design
    Cantilever Retaining Wall Design
    Bruner, Robert F. ;
    Coyle, Harry M.
    1983-05-01 | PDF
    Current retaining wall design procedures are summarized with emphasis on the prediction of lateral earth pressures using the Coulomb and Rankine earth pressure theories, and the equivalent fluid pressure method. Results from previous large scale retaining wall tests and field studies are presented. Different design aspects are introduced as backgro ...
  • USSR Report Transportation No 116
    USSR Report: Transportation, No. 116
    United States. Foreign Broadcast Information Service  ...
    1983-05-01 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • USSR Report Transportation No 115
    USSR Report: Transportation, No. 115
    United States. Foreign Broadcast Information Service  ...
    1983-04-29 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.
  • USSR Report transportation No 114
    USSR Report : transportation, No. 114
    United States. Foreign Broadcast Information Service  ...
    1983-04-19 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • Three studies of biographical factors associated with success in air traffic control specialist screeningtraining at the FAA Academy
    Three studies of biographical factors associated with success in air traffic control specialist screening/training at the FAA Academy.
    VanDeventer, Allan D. ;
    Taylor, Deborah K.
    1983-04-01 | PDF
    The current Air Traffic Control Specialist (ATCS) selection procedure requires that all applicants pass the Office of Personnel Management (OPM) air traffic control aptitude test. In addition to the test scores, applicants may also receive points for certain types of aviation-related prior experience or substitute college-level education in lieu of ...
  • Pressuremeter Design of Shallow Foundations
    Pressuremeter Design of Shallow Foundations
    Briaud, Jean-Louis ;
    Jordan, Gerald
    1983-04-01 | PDF
    In this report, a detailed description is made of the established procedures to design shallow foundations on the basis of pre-boring pressuremeter tests. Both the bearing capacity and settlement calculations are outlined in the form of step-by-step procedures. Design examples are given and solved. An indication of the precision of the methods is p ...
  • Inhalation Toxicology III Evaluation of Thermal Degradation Products from Aircraft and Automobile Engine Oils Aircraft Hydraulic Fluid and Mineral Oil
    Inhalation Toxicology: III. Evaluation of Thermal Degradation Products from Aircraft and Automobile Engine Oils, Aircraft Hydraulic Fluid, and Mineral Oil
    Crane, Charles R. ;
    Sanders, Donald C.
    1983-04-01 | PDF
    A malfunctioning seal in the gear-reduction box of a turboprop aircraft engine could allow oil to enter the turbine's compressor section, which is the source of bleed air used to pressurize the cabin. Oil, or its degradation products, could have a deleterious effect on crew and passengers.A series of tests sponsored by the National Transportation S ...
  • A Fatigue Study of Prestressing Strand
    A Fatigue Study of Prestressing Strand
    Paulson, Conrad ;
    Frank, Karl H.
    1983-04-01 | PDF
    This study reviews the literature which reports on fatigue studies of prestressing strand and also presents the results of a series of strand fatigue tests. The fatigue tests compared tests on samples of strand from several manufacturers with tests on a sample of strand to be used in construction of girder fatigue specimens. Strand fatigue data fro ...
  • Methods and measurements in realtime air traffic control system simulation
    Methods and measurements in real-time air traffic control system simulation.
    Buckley, Edward P. ;
    DeBaryshe, B. Delano
    1983-04-01 | PDF
    The major purpose of this work was to asses dynamic simulation of air traffic control systems as a technique for evaluating such systems in a statistically sound and objective manner. A large set of customarily used measures based on the system mission of safe and expeditious movement of air traffic was collected by the computer generating the simu ...
  • Evaluation of Fly Ash Test Sites Using Static and Dynamic Deflection Systems
    Evaluation of Fly Ash Test Sites Using Static and Dynamic Deflection Systems
    Raba, Gary W. ;
    Little, Dallas N.
    1983-04-01 | PDF
    This report summarizes the evaluation of six experimental fly ash stabilized base and subgrade test sites on selected Texas Highways. The sites, each consisting of several test sections, were analyzed using the dual parametric approach on field measured Dynaflect and Benkleman Beam deflection data. Five out of six sites exhibited significant increa ...
  • Development of a Prioritization Procedure for the Network Level Pavement Management System
    Development of a Prioritization Procedure for the Network Level Pavement Management System
    Fernando, Emmanuel G. ;
    Hudson, W. R.
    1983-04-01 | PDF
    Over the years funding for maintenance, rehabilitation, restoration, and resurfacing activities has not kept pace with the needs of highway agencies. Consequently, development of a system for managing the pavement network and, in particular, for assisting highway agencies in the efficient allocation of their resources to make the best possible use ...
  • Crashworthiness An Illustrated Commentary on Occupant Survival in General Aviation Accidents
    Crashworthiness: An Illustrated Commentary on Occupant Survival in General Aviation Accidents
    Kirkham, William R. ;
    Wicks, S. Marlene
    1983-04-01 | PDF
    This report is an illustrated commentary on crash survival in general aviation aircraft. Photographs, drawings, and discussion present some basic concepts of crash forces; mechanisms of injury to occupants; and the roles of shoulder harnesses, lap belts, and seats in attenuating crash forces. Findings in a number of accidents relate seats and restr ...
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