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US Transportation Collection

rosaP Repository & Open Science Access Portal

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 27701 - 27720 of 35564 results
  • Outlook at the Future of the Airline Avionics Industry
    Outlook at the Future of the Airline Avionics Industry
    Charles, Richard ;
    Ghobrial, Atef
    1998-01-01 | PDF
    The aviation industry is slowly but surely changing its character. As airlines restructure, what they ask of, and how they relate to their suppliers (including avionics manufacturers) will greatly change as well. The avionics industry is currently facing many challenges as a result of the reluctance of airlines to invest in new technologies and the ...
  • Using TQM and ISO 9000 Principles in Assuring Education Service Quality
    Using TQM and ISO 9000 Principles in Assuring Education Service Quality
    Kabashkin, Igor ;
    Michnev, Boris
    1998-01-01 | PDF
    This paper describes Riga Aviation University's (Latvia) movement from a strongly regulated and controlled professional education program to a system of contract relations with students as Education Service customers. This period demanded, first, a study of students' demands, requirements and issues, and the development of interrelation methods bas ...
  • Quantification of Shape Angularity and Surface texture of Base Course Materials
    Quantification of Shape, Angularity, and Surface texture of Base Course Materials
    Janoo, Vincent C.
    1998-01-01 | PDF
    A state-of-the-art review was conducted to determine existing test methods for characterizing the shape, angularity, and surface texture of coarse aggregates. The review found direct methods used by geologists to determine these characteristics. These methods involve physical measurements of individual aggregates and are very laborious and time con ...
  • Economic Evaluation of Advanced Winter Highway Maintenance Strategies
    Economic Evaluation of Advanced Winter Highway Maintenance Strategies
    Smith, Duane E. ;
    Zogg, Jeffrey A.
    1998-01-01 | PDF
    Highway agencies face demands to maintain or improve the existing winter roadway level of service. This paper examines the potential benefits of applying advanced winter highway maintenance strategies. The Vermont Agency of Transportation conducted "Smart Salting," a study of de-icing salt effectiveness at different pavement temperatures. A recomme ...
  • Use of Pavement Temperature Measurements for Winter Maintenance Decisions
    Use of Pavement Temperature Measurements for Winter Maintenance Decisions
    Knollhoff, David S. ;
    Takle, Eugene S.
    1998-01-01 | PDF
    Formation of ice and frost on roadways and bridges presents a significant potential impediment to safe winter travel in Iowa. Roadway surface temperatures are not measured routinely by the National Weather Service and are not part of public forecasts of winter conditions, but highway maintenance personnel must make frost suppression and anti-icing ...
  • North America Initiatives Safety Environment Trade Technology
    North America Initiatives: Safety; Environment; Trade; Technology
    United States. Federal Highway Administration
    1998-01-01 | PDF
    As a result of the North American Free Trade Agreement (NAFTA), the Federal Highway Administration (FHWA) has increased its level of involvement in projects that support free trade through transportation infrastructure improvements, especially along the border. This report contains brief overviews of the current FHWA involvement in North America in ...
  • Augusta County road orders 17451769
    Augusta County road orders, 1745-1769.
    Pawlett, Nathaniel Mason
    1998-01-01 | PDF
    The establishment and maintenance of public roads were among the most important functions of the county court during the colonial period in Virginia. Each road was opened and maintained by an overseer (or surveyor) of the highways, who was appointed each year by the Gentlemen Justices. The overseer was usually assigned all the able-bodied men (the ...
  • Access management transportation policy considerations for a growing Virginia
    Access management : transportation policy considerations for a growing Virginia.
    Bowman, Donald L ;
    Rushing, C. Colin
    1998-01-01 | PDF
    This report analyzes comprehensive highway access management programs and looks at the potential benefits and legal limits to Virginia adopting such a program to replace Virginia's rather limited site specific permitting process. In 1942, Virginia passed legislation defining the right of private homeowners and commercial establishments to make conn ...
  • A tool to aid the comparison of improvement projects for the Virginia Department of Transportation
    A tool to aid the comparison of improvement projects for the Virginia Department of Transportation.
    Haimes, Yacov Y
    1998-01-01 | PDF
    The goal of this effort is to assist the Virginia Department of Transportation (VDOT) in improving the comparison in planning of potential primary and secondary roadway improvement projects. Historical projects that have been implemented or considered for implementation have been used as a case study data set. Methods are proposed for estimating co ...
  • The use of safety restraint systems in Virginia by occupants under 16 years of age Summer 1997
    The use of safety restraint systems in Virginia by occupants under 16 years of age : Summer 1997.
    Stoke, Charles B
    1998-01-01 | PDF
    This series of observational surveys, to determine child safety seat use in Virginia, began in 1993 at the request of DMV officials. During all 4 years (there was no survey in 1995), data in metropolitan areas were collected at the same locations, at the same time of day and day of week, and according to the same criteria for determining use. In 19 ...
  • Development of decision support systems for realtime freeway traffic routing volume II
    Development of decision support systems for real-time freeway traffic routing : volume II.
    Sadek, Adel W
    1998-01-01 | PDF
    Real-time traffic flow routing is a promising approach to alleviating congestion. Existing approaches to developing real-time routing strategies, however, have limitations. This study explored the potential for using case-based reasoning (CBR), an emerging artificial intelligence paradigm, to overcome such limitations. CBR solves new problems by re ...
  • Ramp metering a review of the literature
    Ramp metering : a review of the literature.
    Arnold, E. D
    1998-01-01 | PDF
    Ramp metering is an effective, viable, and practical strategy used to manage freeway traffic. It is a proven freeway management technique as various forms of ramp control have been in place since the 1960s in the Chicago, Detroit, and Los Angeles areas. Due in part to the success of these early applications, ramp metering has received increased emp ...
  • Development of a safety service patrol uniform standard
    Development of a safety service patrol uniform standard.
    Brich, Stephen C
    1998-01-01 | PDF
    The Virginia Department of Transportation's (VDOT) Safety Service Patrollers (SSP) use different color uniforms depending on their geographic location. Red jumpsuits are used in the Northern Virginia District, orange jumpsuits are used in the Fredericksburg District and by the Tidewater Tunnel Patrollers, and white shirts and blue pants with a flag ...
  • Bicycle laws a survey and comparison of regulations in Virginia and the nation
    Bicycle laws : a survey and comparison of regulations in Virginia and the nation.
    Scheib, Barbara A
    1998-01-01 | PDF
    Legal rules are designed to influence behavior and balance competing needs. This report focuses on an area of state regulation that has received minimal recent attention: the laws that govern the operation of bicycles on public streets and their interaction with motor vehicles. The study provides a comparative analysis of the national model Uniform ...
  • A method to enhance the performance of synthetic origindestination OD trip table estimation models
    A method to enhance the performance of synthetic origin-destination (O-D) trip table estimation models.
    Sivanandan, R ;
    Nanda, Dhruv
    1998-01-01 | PDF
    The conventional methods of determining origin-destination (O-D) trip tables involve elaborate surveys, e.g., home interviews, that require considerable time, staff, and funds. To overcome this drawback, a number of theoretical models that synthesize O-D trip tables from link volume data have been developed. The focus of the research reported here ...
  • Cathodic Protection of Coastal Prestressed Concrete Piles Prevention of Hydrogen Embrittlement
    Cathodic Protection of Coastal Prestressed Concrete Piles: Prevention of Hydrogen Embrittlement
    Scully, John R ;
    Enos, David G.
    1998-01-01 | PDF
    Assessing the effect of cathodic protection (CP) on a chloride-contaminated bridge pile involved defining the hydrogen embrittlement behavior of the pearlitic reinforcement and quantifying the local (i.e., at the steel/concrete interface) chemical and electrochemical conditions, both prior to and throughout the application of CP. The hydrogen embri ...
  • Beyond the Byrd Road Act VDOTs relationship with Virginias urban counties
    Beyond the Byrd Road Act : VDOT's relationship with Virginia's urban counties.
    O'Leary, Amy A
    1998-01-01 | PDF
    Since the Byrd Road Act of 1932, the Virginia Department of Transportation (VDOT) has been responsible for secondary road maintenance and construction in all of the state's counties except two (Arlington and Henrico). Such an arrangement is unusual among the 50 states. The rapid growth of many urban counties since 1980 has raised questions about wh ...
  • Development of prototype decision support systems for realtime freeway traffic routing Volume I
    Development of prototype decision support systems for real-time freeway traffic routing. Volume I.
    Smith, Brian L.,
    1998-01-01 | PDF
    For a traffic management system (TMS) to improve traffic flow, TMS operators must develop effective routing strategies based on the data collected by the system. The purpose of this research was to build prototype decision support systems (DSS) for the real-time development of such strategies. We used the freeway system controlled by the Suffolk (V ...
  • Creating effective variable message signs human factors issues
    Creating effective variable message signs : human factors issues.
    Proffitt, Dennis R ;
    Wade, Melissa M
    1998-01-01 | PDF
    This report addresses the human factors issues related to the reading and comprehension of variable message sign (VMS) messages. A review of the literature was conducted on factors that affect how people read VMSs. Several topics were reviewed. The first topic was literacy. Since reading literacy is not a requirement for obtaining a driver's licens ...
  • Expected safety benefits of implementing Intelligent Transportation Systems in Virginia a synthesis of the literature
    Expected safety benefits of implementing Intelligent Transportation Systems in Virginia : a synthesis of the literature.
    Jernigan, Jack D
    1998-01-01 | PDF
    The purpose of this study was to identify, through a literature review, the potential safety benefits of implementing various ITS technologies through Virginia's Smart Travel Program. This study was requested by the ITS Section of the Virginia Department of Transportation to document what is believed to be an underestimated benefit of ITS: safety. ...
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