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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 30341 - 30360 of 35412 results
  • Hazardous Materials Transportation in Tank Cars Analysis of Risks Part I
    Hazardous Materials Transportation in Tank Cars: Analysis of Risks, Part I
    Raj, Phani K. ;
    Turner, Clayton K.
    1993-05-15 | PDF
    This report covers the development of a methodology to evaluate the potential national public risk arising from the transportation of hazardous materials in tank cars on the US railroads. The analysis is intended to assess the relative changes in the overall risk when (structural) safety devices are provided on tank cars. Also the relative risks of ...
  • SnowPlow Safety
    SnowPlow Safety
    Schultz, Preston
    1993-05-04 | PDF
    This report describes research performed by the South Dakota Department of Transportation (SDDOT) on snow plow light visibility and on snow cloud reduction by using a variable angle snow plow. The safety of the traveling public and of maintenance workers is of great concern to the SDDOT. The SDDOT has experienced numerous accidents involving snow p ...
  • Regional IV Technical Training Workshops in Transportation Financing in the 1990s Selected Presentations
    Regional IV Technical Training Workshops in Transportation: Financing in the 1990's, Selected Presentations
    Walther, Erskine S. ;
    Alexander, Lee
    1993-05-01 | PDF
    The workshop offered sixteen individual workshops and five group sessions dealing with a variety of topics related to generating funding, operating efficiencies and cost savings for rural and small urban providers. The subject areas covered in this report include: state tax financing; system maintenance programs: efficiencies and revenues; working ...
  • Report on Funding Levels and Allocations of Funds Report of the Secretary of Transportation to the United States Congress 1993
    Report on Funding Levels and Allocations of Funds: Report of the Secretary of Transportation to the United States Congress [1993]
    United States. Federal Transit Administration
    1993-05-01 | PDF
    This report provides the U.S. Department of Transportation’s recommendations to Congress for allocation of funds to be made available for construction of new fixed guideway systems and extensions (Section 3 New Starts funding) for Fiscal Year 1994. The report is required by section 3(j) of the Federal Transit Act (FT Act).
  • Evaluation of performance and costeffectiveness of thin pavement surface treatments final report
    Evaluation of performance and cost-effectiveness of thin pavement surface treatments : final report.
    Parker, Richard D.
    1993-05-01 | PDF
    This study describes the findings from the study of 87 closely monitored sites in the State of Oregon which were treated with different types of thin surface materials. All of these surface treatments had a total thickness of two inches or less, and included: chip seals, asphalt penetration macadam or "oil mats", cold in-place recycling (CIR), and ...
  • Field trial of gravel stabilization methods Route 1 CyrVan Buren ME 1st interim report
    Field trial of gravel stabilization methods : Route 1, Cyr-Van Buren, ME : 1st interim report.
    Rand, David
    1993-05-01 | PDF
    This experimental construction project was developed, designed, and inspected by personnel from the University of Maine, Civil Engineering Staff. The experimental project was constructed on and as a part of Project #2586.00. This was a complete reconstruction project 2.2 miles in length. The experimental section contains 6 experimental base types a ...
  • Variations of TimetoIncapacitation and Carboxyhemoglobin Values in Rats Exposed to Two Carbon Monoxide Concentrations
    Variations of Time-to-Incapacitation and Carboxyhemoglobin Values in Rats Exposed to Two Carbon Monoxide Concentrations
    Sanders, Donald C. ;
    Endecott, Boyd R.
    1993-05-01 | PDF
    It has been suggested that passenger protective breathing equipment protect aircraft passengers from smoke for 5 min during an evacuation phase and for 35 min during an in-flight-plus-evacuation phase. Carbon monoxide (CO) is one of the most abundant smoke components and is the major threat in most fire atmospheres. Time-to-incapacitation (ti) is a ...
  • Variations in TimetoIncapacitation and Blood Cyanide Values for Rats Exposed to Two Hydrogen Cyanide Gas Concentration
    Variations in Time-to-Incapacitation and Blood Cyanide Values for Rats Exposed to Two Hydrogen Cyanide Gas Concentration
    Chaturvedi, Arvind K. ;
    Endecott, Boyd R.
    1993-05-01 | PDF
    It has been suggested that protective breathing devices protect aircraft passengers from combustion products for 5 min. during evacuation and for 35 min. during in-flight-plus-evacuation. Hydrogen cyanide (HCN), a combustion gas, produces incapacitation at relatively low concentrations, and time-to-incapacitation (ti) is an applicable index for pre ...
  • Accident Proneness A Research Review
    Accident Proneness: A Research Review
    Rodgers, Mark D. ;
    Blanchard, Robert E.
    1993-05-01 | PDF
    Accident proneness is a concept that refers to an enduring or stable personality characteristic that predisposes an individual toward having accidents (Haddon, Suchman, and Klein, 1964). The concept is controversial and has sustained a lively debate in the literature over the past 75 years. For the most part, though, continual interest has been fue ...
  • Design of bridge deck drainage HEC 21
    Design of bridge deck drainage : HEC 21
    Young, G. K. ;
    Walker, S.
    1993-05-01 | PDF
    The manual provides guidelines and procedures for designing bridge deck drainage systems, inclusing illustrative examples. Should the design process indicate a drainage system is needed, utilization of the most hydraulically efficient and maintenance-free system is emphasized. The manual also stresses the advantages of designing to minimize the com ...
  • Evaluation of AsphaltRubber Interlayers
    Evaluation of Asphalt-Rubber Interlayers
    Estakhri, Cindy K. ;
    Pendleton, Olga
    1993-05-01 | PDF
    This report presents the field performance results of three asphalt rubber interlayer test roads in terms of the effectiveness of the interlayer at reducing the rate of reflection cracking. Several variables were included in the field experiments: concentration of rubber, binder application rate, type or source of rubber, and digestion (or mixing) ...
  • US75 North Central Expressway Reconstruction May 1992 Traffic Conditions
    US-75 North Central Expressway Reconstruction: May 1992 Traffic Conditions
    Tyer, Kevin D. ;
    Krammes, Raymond A.
    1993-05-01 | PDF
    This report documents the results of the traffic data collection efforts during May 1992, two years after reconstruction began on the US-75 North Central Expressway south of the 1-635 LBJ Freeway. Traffic conditions and patterns have been monitored during October 1989 and May 1990 (before construction) and during October 1990, May 1991, October 199 ...
  • US 75 North Central Expressway Reconstruction LemmonOak LawnPeak Screen Line Automobile User Panel October 1992 Survey Results
    U.S. 75 North Central Expressway Reconstruction: Lemmon/Oak Lawn/Peak Screen Line Automobile User Panel, October 1992 Survey Results
    Ullman, Gerald L. ;
    Krammes, Raymond A.
    1993-05-01 | PDF
    This report summarizes the creation and initial survey (performed in October 1992) of a second panel of automobile users in the North Central Expressway (NCE) corridor. On the average, new panel members reported making a total of 12.2 round trips during the week (Monday-Friday) for various purposes. Approximately 31 percent of these trips (3.8 per ...
  • Effectiveness of Controlling Pavement Roughness Due to Expansive Clays with Vertical Moisture Barriers
    Effectiveness of Controlling Pavement Roughness Due to Expansive Clays with Vertical Moisture Barriers
    Jayatilaka, Ranasinghege ;
    Gay, Derek A
    1993-05-01 | PDF
    This report summarizes the results and conclusions of a five-year study of the effectiveness of vertical moisture barriers in controlling the roughness of pavements resting on expansive clay subgrades. During the study, vertical moisture barriers were installed at six sites in three of the seven climatic zones in Texas. Site maps are given for each ...
  • Investigation of Parameters Affecting the Interface Bonding of Thin Concrete Overlays Due to Vehicular Vibration
    Investigation of Parameters Affecting the Interface Bonding of Thin Concrete Overlays Due to Vehicular Vibration
    Makahaube, J. S. ;
    Nazarian, S.
    1993-05-01 | PDF
    This research is a further study of parameters affecting the interface bonding of thin concrete overlays. The specimens were tested in the flexural mode, while in the previous study, the direct shear test was applied to the specimens. The parameters investigated were surface condition, surface texture, pre-vibration cure time, overlay thickness, an ...
  • Expanding Markets for Philadelphia Regional Rail Service
    Expanding Markets for Philadelphia Regional Rail Service
    Kraft, Edwin R
    1993-04-23 | PDF
    This 1993 study explores opportunities to expand the passenger markets for Philadelphia’s regional rail system by aligning service improvements with emerging demographic and commuting trends. Analysis of regional travel patterns highlights the growing importance of the outer ring area surrounding the urban core, where integration of new rail statio ...
  • Policies and Procedures for Accommodating Utilities on Highway Rights of Way
    Policies and Procedures for Accommodating Utilities on Highway Rights of Way
    North Carolina. Dept. of Transportation
    1993-04-01 | PDF
    Original Report Date: Jan. 1, 1975.
  • Evaluation of bridge deck overlay protective systems
    Evaluation of bridge deck overlay protective systems.
    Tatum, V. Kirk.
    1993-04-01 | PDF
    During the 1990's it has been reported that 40% of the total highway bridge decl area in the U.S. will be at least 35 years old and ready for replacement or rehabilitation.
  • Cathodic Protection for a Continuous Box Girder Bridge Deck
    Cathodic Protection for a Continuous Box Girder Bridge Deck
    Narotam, Champak ;
    Hanson, Todd D.
    1993-04-01 | PDF
    Bridge deck deterioration due to corrosive effect of deicers on reinforcing steel is a major problem facing many agencies. Cathodic protection is one method used to prevent reinforcing steel corrosion. The application of a direct current to the embedded reinforcing steel and a sacrificial anode protects the steel from corrosion. This 1992 project i ...
  • Contribution of Personality to the Prediction of Success in Initial Air Traffic Control Specialist Training
    Contribution of Personality to the Prediction of Success in Initial Air Traffic Control Specialist Training
    Schroeder, David J. ;
    Broach, Dana
    1993-04-01 | PDF
    Reviews have consistently concluded that the validity of personality as a predictor of job performance is low (Besco, 1991; Reilly & Chao, 1982: Tenopyr & Oeltjen, 1982). However, Barrick and Mount's (1991) meta-analysis of studies of personality and job performance demonstrated the utility of the "Big Five" model of personality (Digman, 1990) in p ...
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