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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 29981 - 30000 of 35440 results
  • Environmental Report 1993
    Environmental Report 1993
    Gallegos, Gretchen ;
    Tate, Paula
    1994-09-01 | PDF
    This report, prepared by Lawrence Livermore National Laboratory (LLNL) for the U.S. Department of Energy, Oakland Operations Office (DOE/OAK), provides a comprehensive summary of the environmental program activities at Lawrence Livermore National Laboratory for calendar year 1993.
  • The Performance of Child Restraint Devices in Transport Airplane Passenger Seats
    The Performance of Child Restraint Devices in Transport Airplane Passenger Seats
    Gowdy, Van ;
    DeWeese, Richard
    1994-09-01 | PDF
    The performance of child restraint devices (CRDs) in commercial transport airplane passenger seats was evaluated by a dynamic impact test program. Background information on the policies and regulations related to child restraints is summarized. Tests were conducted at the FAA Civil Aerospace Medical Institute. Six types (CRDs) certified for use in ...
  • Simultaneous GasChromatographic Determination of Toxic Gases in Combustion Atmospheres
    Simultaneous Gas-Chromatographic Determination of Toxic Gases in Combustion Atmospheres
    Endecott, Boyd R. ;
    Sanders, Donald C.
    1994-09-01 | PDF
    Measurement of combustion gases produced by burning aircraft cabin materials poses a continuing limitation for smoke toxicity research. Since toxic effects of gases depend on both their concentrations and duration of exposures, frequent atmosphere sampling is necessary to define the concentration time curve.A gas chromatographic method was develope ...
  • Before and After Videotapes and Special Events Data Preliminary IIB Deliverable
    Before and After Videotapes and Special Events Data: Preliminary IIB Deliverable
    Taylor, William C. ;
    Maleck, Thomas L.
    1994-08-25 | PDF
    Two of the deliverables under our sub-contract with the University of Michigan were videotapes of the before and after conditions at selected intersections, and data for the special event analysis. These data have been collected and are maintained in the project file for further analyses. The attached listing of videotapes presents the status of th ...
  • IFR Approval of Differential Global Positioning System DGPS Special Category I Instrument Approaches Using Private Ground Facilities
    IFR Approval of Differential Global Positioning System (DGPS) Special Category I Instrument Approaches Using Private Ground Facilities
    United States. Department of Transportation. Federal Aviation Administration
    1994-08-19 | PDF
    This order establishes interim procedures to approve special instrument approach operations using privately owned DGPS installations at U.S. and foreign airports/ runways. It identifies specific criteria, not presently found in existing standards, which shall be satisfied before Instrument Flight Rules (IFR) operations can be authorized using DGPS ...
  • Evaluation of the Differences Between Spontaneous and Anticipated Roadside Inspections of Motor Carriers
    Evaluation of the Differences Between Spontaneous and Anticipated Roadside Inspections of Motor Carriers
    Lantz, Brenda
    1994-08-01 | PDF
    The goal of the present study is to improve the effectiveness of highway safety inspections of motor carriers. These inspections can be broadly classified as anticipated or spontaneous. Anticipated inspections are defined as those in which the driver is usually aware that there is a high probability that an inspection will take place. These would n ...
  • Technology Alternatives for an Automated Collision Notification System Final Report
    Technology Alternatives for an Automated Collision Notification System: Final Report
    Yuan, R. L. ;
    Newman, R. W.
    1994-08-01 | PDF
    In automobile crashes involving life threatening injuries, time is the most critical factor in saving lives;therefore, rapid response by Emergency Medical Service (EMS) personnel is a necessity. Unfortunately, evidence suggests that many crash victim?s medical requirements are not being met due to delays in both crash notification and response. In ...
  • Responses to disasters natural and manmade and interventions with social supports
    Responses to disasters, natural and man-made, and interventions with social supports.
    Brandt, George T. ;
    Norwood, Ann E.
    1994-08-01 | PDF
    This volume focuses on the effects of a range of traumatic events: a natural disaster (Hurricane Andrew), working with the dead (dental identification of bodies following the Mt. Carmel conflagration), and the trauma attendant to the diagnosis of a life-threatening illness (breast cancer).
  • Roadway Delineation Practices Handbook
    Roadway Delineation Practices Handbook
    Migletz, James ;
    Fish, Joseph K.
    1994-08-01 | PDF
    This handbook was developed to assist design, traffic, and maintenance engineering personnel in making determinations about roadway delineation systems, including the appropriate system for a given situation, when a system has reached the end of its useful life, and how to maintain a quality delineation system. It may also be valuable to consulting ...
  • Integrating Transportation and Land Use Planning
    Integrating Transportation and Land Use Planning
    Obermayer, Susan J. ;
    Stover, Vergil G.
    1994-08-01 | PDF
    Changes in the transportation system have a large influence on urban development patterns. The location, type, and intensity of urban land uses also affect the urban street and highway system. Various federal and state initiatives have been taken to more closely link transportation and land use. These include the following: - The Traffic Congestion ...
  • Effects of Aggregate Blends on the Properties of Portland Cement Concrete Pavements
    Effects of Aggregate Blends on the Properties of Portland Cement Concrete Pavements
    Dossey, Terry ;
    McCullough, B. Frank
    1994-08-01 | PDF
    Although recent studies have shown that pavement performance does vary by aggregate type, current portland cement concrete pavement design tools do not fully incorporate aggregate properties into the design process. Aggregate characteristics shown to affect pavement performance include strength, thermal properties, and shrinkage properties. The obj ...
  • TRANPLAN Corridor Analysis Procedures Guide
    TRANPLAN Corridor Analysis: Procedures Guide
    Bass, Patricia L. ;
    Williams, Tom A.
    1994-08-01 | PDF
    This report documents a method for developing detailed traffic forecasts and turning movements for use by the Texas Department of Transportation (TxDOT) in roadway project planning and design. The methodology uses a combination of current TxDOT corridor analysis procedures, TRANPLAN travel forecasting applications, and traffic refinement and turnin ...
  • Traffic Forecasting Requirements by Project Type
    Traffic Forecasting Requirements by Project Type
    Bass, Patricia L. ;
    Dresser, George B.
    1994-08-01 | PDF
    The method used to prepare a traffic forecast needs to relate to the type of project for which the forecast is prepared. This report describes the various types of projects for which the Texas Department of Transportation uses traffic forecast data. For each project category, the type of traffic forecast data needed to perform the required analyses ...
  • Speed Measurement with Inductance Loop Speed Traps
    Speed Measurement with Inductance Loop Speed Traps
    Woods, Donald L. ;
    Cronin, Brian P.
    1994-08-01 | PDF
    This research effort evaluated the use of inductance loop detectors in a freeway management situation to determine optimal speed trap distance, best wire type, shortest response time condition, and most accurate speed detection scenario. Five speed trap distances were evaluated with a variety of detector units. An optimal speed trap distance was no ...
  • Stateofthe Practice Report on Mobile Source Emissions Models
    State-of–the Practice Report on Mobile Source Emissions Models
    Stephenson, Amy R. ;
    Dresser, George B.
    1994-08-01 | PDF
    Air quality nonattainment areas must use computer models to estimate the mobile source portion of emission inventories for the State Implementation Plan. Mobile source emissions estimates are produced for the emission inventory by multiplying an emission factor by a measured vehicle activity (such as vehicle miles of travel). The Environmental Prot ...
  • Geometric Design Guidelines for Suburban HighSpeed Curb and Gutter Roadways
    Geometric Design Guidelines for Suburban High-Speed Curb and Gutter Roadways
    Fambro, Daniel B. ;
    Nowlin, R. Lewis
    1994-08-01 | PDF
    The objective of this study was the development of geometric design guidelines for suburban, high-speed curb and gutter roadways. Design elements that were addressed included design speed, alignment, cross section, drainage, driveways, and sight distance. Safety studies, operational studies and clear zone studies were conducted. Field data collecti ...
  • Traffic Management in Response to Major Freeway Incidents Volume I
    Traffic Management in Response to Major Freeway Incidents, Volume I
    Ogden, Michael A. ;
    Mounce, John M.
    1994-08-01 | PDF
    A two-year study to develop guidelines to respond to major freeway incidents was conducted for the Texas Department of Transportation. The objective of this study was to establish guidelines to be applied statewide in large and small cities for the preparation of an incident management plan or the improvement of an existing incident management plan ...
  • Traffic Management in Response to Major Freeway Incidents Volume II
    Traffic Management in Response to Major Freeway Incidents, Volume II
    Ogden, Michael A. ;
    Mounce, John M.
    1994-08-01 | PDF
    A two-year study to develop guidelines to respond to major freeway incidents was conducted for the Texas Department of Transportation. The objective of this study was to establish guidelines to be applied statewide in large and small cities for the preparation of an incident management plan or the improvement of an existing incident management plan ...
  • GIS Protocol and Data Structures for the Texas Travel Demand Package
    GIS Protocol and Data Structures for the Texas Travel Demand Package
    Williams, Thomas A. ;
    Dresser, George B.
    1994-08-01 | PDF
    The Texas Travel Demand Package is a set of computer programs used to perform travel demand analysis and forecasting. This document demonstrates the applicability of a Geographic Information System for Transportation to the Texas Travel Demand Package. First, a brief overview of GIS is described. Then, variables and functions which can be directly ...
  • US75 North Central Expressway Reconstruction October 1993 and March 1994 Traffic Conditions
    US-75 North Central Expressway Reconstruction: October 1993 and March 1994 Traffic Conditions
    Tyer, Kevin D.
    1994-08-01 | PDF
    This report documents the results of the October 1993 and March 1994 traffic data collection efforts during the fourth year of the US-75 North Central Expressway reconstruction project south of the I-635 LBJ Freeway. Traffic conditions and patterns have been monitored during October 1989 and May 1990 (before construction) and each October and May s ...
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