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Showing 27121 - 27140 of 35628 results
  • Analysis of vehicle classification data including monthly and seasonal ADT factors hourly distribution factors and lane distribution factors
    Analysis of vehicle classification data, including monthly and seasonal ADT factors, hourly distribution factors, and lane distribution factors
    Allen, D. L. ;
    Stamatiadis, N.
    1998-11-01 | PDF
    This report documents the development of monthly and seasonal average daily traffic (ADT) factors for performing estimating AADTs. It appears that seasonal factors can estimate AADT as well as monthly factors, and it is recommended that seasonal factors be used. Hourly distribution factors were also developed in this study. These are to be used in ...
  • County Business Patterns 1996 New Hampshire
    County Business Patterns, 1996: New Hampshire
    United States. Census Bureau
    1998-11-01 | PDF
    County Business Patterns is an annual series that provides subnational economic data by industry. The series is useful for studying the economic activity of small areas; analyzing economic changes over time; and as a benchmark for statistical series, surveys, and databases between economic censuses. The series serves various business uses such as a ...
  • Peninsula transportation district commission route deviation feasibility study
    Peninsula transportation district commission route deviation feasibility study.
    Durvasula, PK ;
    Smith, BL
    1998-11-01 | PDF
    Many urban transit providers are faced with the problem of declining ridership on traditional fixed route services in low density suburban areas. As a result, many fixed route services in such areas are not economically viable for the transit provider. Ridership levels on such routes could be increased by adding more flexibility to the fixed route ...
  • Integrated Capabilities in Heavy Vehicles Human Factors Research Needs Summary Report
    Integrated Capabilities in Heavy Vehicles: Human Factors Research Needs [Summary Report]
    United States. Federal Highway Administration
    1998-11-01 | PDF
    As part of the U.S. Department of Transportation's Intelligent Vehicle Initiative (IVI) program, the Federal Highway Administration (FHWA) investigated the human factors research needs for integrating in-vehicle safety and driver information technologies into usable systems that provide manageable information to the driver. This investigation inclu ...
  • Integrated ITS Capabilities In Transit Vehicles Human Factors Research Needs Summary Report
    Integrated ITS Capabilities In Transit Vehicles: Human Factors Research Needs [Summary Report]
    United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center
    1998-11-01 | PDF
    As part of the U.S. Department of Transportation's Intelligent Vehicle Initiative (IVI) program, the Federal Highway Administration (FHWA) investigated human factors research needs for integrating in-vehicle safety and driver information technologies into usable systems that provide manageable information to the driver. This investigation included ...
  • Suggestions for Incorporating Economic Development Considerations
    Suggestions for Incorporating Economic Development Considerations
    Weatherby, Cynthia A.
    1998-11-01 | PDF
    The research project examines the role of TxDOT projects in promoting economic diversification in Texas. The authors conclude that while good access is a necessary condition for diversification, it is not sufficient to assure diversification. The role of the transportation network is not dominant in the decision process for industrial site location ...
  • LongTerm Behavior of Ground Anchors and Tieback Walls
    Long-Term Behavior of Ground Anchors and Tieback Walls
    Briaud, Jean-Louis ;
    Griffin, Richard
    1998-11-01 | PDF
    The purpose of this project is to advance the state of knowledge on the long-term behavior of ground anchors and make practical recommendations. Two important issues were addressed: long-term movements and corrosion. For the long-term movements, some of the main findings from the physical and numerical simulations are: 1. Given the same total ancho ...
  • The Railroad System of Texas A Component of the State and National Transportation Infrastructure
    The Railroad System of Texas: A Component of the State and National Transportation Infrastructure
    Roop, Stephen S. ;
    Warner, Jeffery E.
    1998-11-01 | PDF
    Railroads continue to play an important role in the Texas transportation system. This study addresses the potential for implementing a rail planning process in the Texas Department of Transportation. The study is documented in three reports, produced in coordinated and parallel efforts by the Center for Transportation Research and the Texas Transpo ...
  • Development of an Embeddable Reference Electrode for Reinforced Concrete Structures
    Development of an Embeddable Reference Electrode for Reinforced Concrete Structures
    Pawlick, Leigh Ann ;
    Stoner, Glenn E.,
    1998-11-01 | PDF
    There is a concern that none of the existing concrete-embeddable reference electrodes that are being used as a convenient means for monitoring the condition of the reinforcing steel in concrete bridges or the operation of cathodic protection systems for permanently halting steel corrosion in these structures may have sufficient stability of at leas ...
  • Safety analysis report for the SR101 inert reservoir package
    Safety analysis report for the SR-101 inert reservoir package
    Van Alstine, M. N.
    1998-11-01 | PDF
    Department of Energy (DOE) AL Weapons Surety Division (WSD) requires the SR-101 Inert Reservoir Package tomeet applicable hazardous material transportation requirements. This Safety Analysis Report (SAR) is based onrequirements in place at the time of packaging development (ea. 1992). Both DOE Order 5610.1, Packaging andTransporting of Nuclear Expl ...
  • Estimating the potential safety benefits of intelligent transportation systems working paper
    Estimating the potential safety benefits of intelligent transportation systems : working paper
    McKeever, Benjamin B.
    1998-11-01 | PDF
    The purpose of this paper is to present estimates of potential safety benefits resulting from full implementation of Intelligent Transportation Systems (ITS) in the United States. These estimates were derived by integrating results from a number of different sources including field operational tests, model deployments and simulation studies. In thi ...
  • Highway trust fund primer
    Highway trust fund primer
    United States. Federal Highway Administration
    1998-11-01 | PDF
    This primer is designed to provide basic information about the Highway Account of the Highway Trust Fund (HTF). It describes how the fund works, its sources of revenue, what the balances are, funding levels, and budgetary constraints on spending levels. It does not address, in any detail, the Mass Transit Account of the HTF. The primer is designed ...
  • Basic Collision Warning and Driver Information Systems Human Factors Research Needs
    Basic Collision Warning and Driver Information Systems: Human Factors Research Needs
    United States. Federal Highway Administration
    1998-11-01 | PDF
    As part of the U.S. Department of Transportation's Intelligent Vehicle Initiative (IVI) program, the Federal Highway Administration (FHWA) investigated the human factors research needs for integrating in-vehicle safety and driver information technologies into usable systems that provide manageable information to the driver. This investigation inclu ...
  • Geotechnical Investigation of the Potential Use of Shredded Scrap Tires in Soil Stabilization
    Geotechnical Investigation of the Potential Use of Shredded Scrap Tires in Soil Stabilization.
    Shakoor, A. ;
    Chu, C. J.
    1998-11-01 | PDF
    Silt-tire and clay-tire mixtures, containing 0% to 100% shredded tire material by weight, with tire chips ranging in size from 7mm-13mm, 13mm-25mm, and 25mm-38mm, were tested for a series of engineering properties including compaction characteristics, permeability, unconfined compressive strength, friction angle, cohesion, and compression index. In ...
  • An In Situ Radiological Survey Conducted During Remediation Activities at the Clean Slate 1 Site Tonopah Test Range Tonopah Nevada
    An In Situ Radiological Survey Conducted During Remediation Activities at the Clean Slate 1 Site: Tonopah Test Range, Tonopah, Nevada
    Riedhauser, Steven R.
    1998-10-31 | PDF
    A team from the Remote Sensing Laboratory, operated by Bechtel Nevada for the U.S. Department of Energy, conducted a series of radiological measurements at the Clean Slate 1 site on the Tonopah Test Range, which is located southeast of Tonopah, Nevada. The team performed a series of gamma radiation measurements during April 28-June 19, 1997, while ...
  • Dynamic interaction between vehicles and infrastructure experiment DIVINE technical report
    Dynamic interaction between vehicles and infrastructure experiment (DIVINE) : technical report
    Organisation for Economic Co-operation and Development
    1998-10-27
    The Dynamic Interaction between Vehicles and Infrastructure Experiment (DIVINE) Project provides scientific evidence of the dynamic effects of heavy vehicles and their suspension systems on pavements and bridges in support of transport policy decisions that affect infrastructure and road freight transport costs. Six separate Research Elements were ...
  • Public Transportation A Priority Link in Moving People to Work
    Public Transportation: A Priority Link in Moving People to Work
    Espinosa, Judith M. ;
    Baca, Matthew
    1998-10-23 | PDF
    New public law, which limits the time a Temporary Assistance to Needy Families (TANF) recipient may receive benefits to a maximum of five years, has caused a re-examination of the causes leading families into the welfare cycle and the barriers to bringing the recipient into the work force. This report focuses on one of the major obstacles individua ...
  • Centrifuge modeling of cyclic lateral response of pilecap systems and seattype abutments in dry sands
    Centrifuge modeling of cyclic lateral response of pile-cap systems and seat-type abutments in dry sands
    Gadre, A. D. ;
    Dobry, R.
    1998-10-02 | PDF
    This report presents the results of slow, cyclic, lateral-loading centrifuge tests performed on models of pile-cap foundation systems and seat-type bridge abutements in dry Neveda sand of 75% relative density to study the lateral response of these systems.
  • Fire Safety Analysis of the 180 WLB Seagoing Buoy Tender
    Fire Safety Analysis of the 180' WLB Seagoing Buoy Tender
    Sprague, Chester M. ;
    White, Derek
    1998-10-01 | PDF
    This report documents the results of a comprehensive fire safety analysis of the 180' WLB Seagoing Buoy Tender. The Ship Fire Safety Engineering Methodology (SFSEM) and associated Ship Applied Fire Engineering (SAFE v 2.2), were utilized as an analytical tool to perform the analysis. The SFSEM is a probabilistic based fire risk analysis methodology ...
  • Technical Assessment of Maglev System Concepts
    Technical Assessment of Maglev System Concepts
    Lever, James H
    1998-10-01 | PDF
    The Government Maglev System Assessment Team operated from 1991 to 1993 as part of the National Maglev Initiative. They assessed the technical viability of four U.S. Maglev system concepts, using the French TGV high speed train and the German TR07 Maglev system as assessment baselines. Maglev in general offers advantages that include high speed pot ...
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