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Showing 27321 - 27340 of 35628 results
  • SPS1 Project 4001 Strategic Study of Structural Factors for Flexible Pavements US62 Eastbound Comanche County Oklahoma
    SPS-1 Project 4001: Strategic Study of Structural Factors for Flexible Pavements US-62 Eastbound – Comanche County, Oklahoma
    Oklahoma. Department of Transportation
    1998-08-01 | PDF
    The objective of the SPS-1 study is to enhance understanding of the strategic factors that influence the performance of flexible pavements. This SPS-1 project addresses factors including drainage, base type and thickness, and asphalt surface thickness as they relate to pavement performance. The experimental design for the SPS-1 experiment is shown ...
  • Airfield Pavement Keeping Nations Runways in Good Condition Could Require Substantially Higher Spending
    Airfield Pavement: Keeping Nation's Runways in Good Condition Could Require Substantially Higher Spending
    United States. General Accounting Office
    1998-07-31 | PDF
    Since 1982, the Airport Improvement Program (AIP) has provided about $2.2 billion in federal grants for rehabilitating and maintaining airport runways. Administered by the Federal Aviation Administration (FAA), this program is a major source of runway rehabilitation funding for the 3,300-plus airports that constitute FAA’s national airport system—t ...
  • OCRWM Annual Report to Congress Fiscal Year 1997
    OCRWM Annual Report to Congress, Fiscal Year 1997
    United States. Dept. of Energy. Office of Civilian Radioactive Waste Management
    1998-07-31 | PDF
    OCRWM commitment: FINDING SOLUTIONS TO SPENT NUCLEAR FUEL STORAGE AND FUNDING ISSUES. Refocus the Civilian Radioactive Waste Management Program to provide meaningful deliverables that are consistent with reduced funding and revised policies.
  • Highway Accident Report Multiple Vehicle Crossover Accident Slinger Wisconsin February 12 1997
    Highway Accident Report: Multiple Vehicle Crossover Accident, Slinger, Wisconsin, February 12, 1997
    United States. National Transportation Safety Board
    1998-07-24 | PDF
    About 5:52 a.m. on February 12, 1997, a doubles truck that was traveling northbound on U.S. Route 41 near Slinger, Wisconsin, lost control and crossed over the median into the southbound lanes. A flatbed truck traveling southbound on U.S. Route 41 collided with the doubles truck, lost control, and crossed over the median into the northbound lanes. ...
  • Safety at Passive Grade Crossings Volume 1 Analysis
    Safety at Passive Grade Crossings. Volume 1 : Analysis
    United States. National Transportation Safety Board
    1998-07-21 | PDF
    More than 4,000 accidents have occurred at the nation's active and passive grade crossings each year from 1991 through 1996. Many of the accidents at active crossings have involved highway vehicle drivers who did not comply with train-activated warning devices installed at the crossings. Drivers at passive crossings are not provided warnings from t ...
  • Research notes should ODOT go roundabout intersection control by going in circles
    Research notes : should ODOT go roundabout : intersection control by going in circles?
    Oregon. Dept. of Transportation. Research Unit
    1998-07-16 | PDF
    Roundabouts have been used in foreign countries for decades, with several recently built in Florida, Maryland, Vermont and Colorado. The Oregon Department of Transportation (ODOT) is considering roundabouts as an alternative design for intersection control. An ODOT research report is now available on the design and usage of roundabouts.The report a ...
  • Air Quality Conformity Determination Of the Constrained Long Range Plan And The FY992004 Transportation Improvement Program For The Washington Metropolitan Region
    Air Quality Conformity Determination Of the Constrained Long Range Plan And The FY99-2004 Transportation Improvement Program For The Washington Metropolitan Region
    National Capital Region Transportation Planning Board
    1998-07-15 | PDF
    This report documents the assessment of the Constrained Long Range Plan (CLRP) and the FY99-2004 Transportation Improvement Program (TIP) with respect to air quality conformity requirements under the 1990 Clean Air Act Amendments. The assessment used the criteria and procedures contained in the Environmental Protection Agency (EPA)'s final conformi ...
  • Capacity Design and Fatigue Analysis of Confined Concrete Columns
    Capacity Design and Fatigue Analysis of Confined Concrete Columns
    Dutta, Anindya ;
    Mander, John B.
    1998-07-14 | PDF
    The capacity design philosophy requires the identification of all potential failure mechanisms. A preferred failure mechanism is chosen and efforts are made, through design detailing, to suppress all other undesirable failure modes. For the seismic design of bridges, the preferred failure mechanism is ductile flexural hinging of the reinforced conc ...
  • Discussion paper on possible actions to combat substandard shipping by involving players other than the shipowner in the shipping market
    Discussion paper on possible actions to combat substandard shipping by involving players other than the shipowner in the shipping market
    Organisation for Economic Co-operation and Development
    1998-07-09 | PDF
    While there is no single solution to prevent the operation of substandard vessels, there is certainly a sufficient number of international rules and regulations available to combat the phenomenon. The real problem lies with ensuring adherence to these rules and regulations. Consensus seems to exist that further efforts must be made to achieve long- ...
  • Delamination Surveys and Removal Procedures for Rubberized Asphalt Chip Seal RACS Bridge Deck Overlays
    Delamination Surveys and Removal Procedures for Rubberized Asphalt Chip Seal (RACS) Bridge Deck Overlays.
    Jenkins, C. H. M.
    1998-07-07 | PDF
    Rubberized Asphalt Chip Seal (RACS) has been used for several decades to protect the bridges in South Dakota. RACS, among other things, prevents South Dakota Department of Transportation from evaluating the integrity of the bridge decks in an efficient and accurate manner. This study investigated methods to remove the RACS layer from the bridges in ...
  • Delamination Surveys and Removal Procedures for Rubberized Asphalt Seal RACS Bridge Deck Overlays Executive Summary
    Delamination Surveys and Removal Procedures for Rubberized Asphalt Seal (RACS) Bridge Deck Overlays [Executive Summary]
    Jenkins, C. H. M.
    1998-07-07 | PDF
    Rubberized Asphalt Chip Seal (RACS) has been used for several decades to protect the bridges in South Dakota. RACS, among other things, prevents South Dakota Department of Transportation (SDDOT) from evaluating the integrity of the bridge decks in an efficient and accurate manner. See also PB98-157811. Sponsored by South Dakota Dept. of Transportat ...
  • National Transportation Safety Board Safety Study Safety At Passive Grade Crossings Volume 2 Case Summaries
    National Transportation Safety Board Safety Study: Safety At Passive Grade Crossings. Volume 2: Case Summaries
    United States. National Transportation Safety Board
    1998-07-07 | PDF
    More than 4,000 accidents have occurred at the nation's active and passive grade crossings each year from 1991 through 1996. Many of the accidents at active crossings have involved highway vehicle drivers who did not comply with train-activated warning devices installed at the crossings. Drivers at passive crossings are not provided warnings from t ...
  • Load Distribution on Highway Bridges Based on Field Test Data Phase III
    Load Distribution on Highway Bridges Based on Field Test Data: Phase III
    Arockiasamy, M. ;
    Amer, Ahmed
    1998-07-01 | PDF
    The studies on wheel load distribution are carried out in three phases. Studies in Phase I were focused on straight slab-on-girder, solid slab, voided slab and double Tee bridges. The existing analytical and field load distribution methods were reviewed for different bridge types. The grillage analogy concepts were presented together with the cross ...
  • The Prioritization of Mobility Improvements Using a Multicriteria Prioritization Algorithm Final Report
    The Prioritization of Mobility Improvements Using a Multicriteria Prioritization Algorithm: Final Report
    Franklin, Joel P ;
    Niemeier, Debbie A
    1998-07-01 | PDF
    A prioritization process has been prepared by the University of California, Davis, for use by the Oregon Department of Transportation (ODOT) in selecting multimodal mobility improvement projects to fund, given a budget constraint. The process involves first, the evaluation of projects using a set of criteria, incorporating such factors as cost-effi ...
  • Documenting Peer Exchange Administrative Experiences
    Documenting Peer Exchange Administrative Experiences
    Harder, Barbara T.
    1998-07-01 | PDF
    Peer Exchanges for state departments of transportation research, development, and technology (RD&T) activities originated with the Intermodal Surface Transportation Efficiency Act of 1991. Through the process of implementing the regulation, state research managers, with guidance from the Federal Highway Administration (FHWA), developed a practical ...
  • Good Neighbor Environmental Board Annual Report July 1998
    Good Neighbor Environmental Board Annual Report [July 1998]
    United States. Good Neighbor Environmental Board
    1998-07-01 | PDF
    The Good Neighbor Environmental Board was created by the Enterprise for the Americas Initiative Act of 1992 (7 U.S. Code Section 5404) to advise the President and the Congress concerning environmental and infrastructure issues and needs within the States contiguous to Mexico. The statute requires the Board to submit an annual report to the Presiden ...
  • Cargo Compartment Fire Protection in Large Commercial Transport Aircraft
    Cargo Compartment Fire Protection in Large Commercial Transport Aircraft
    Blake, David ;
    Marker, Timothy
    1998-07-01 | PDF
    This report describes recent research by the Federal Aviation Administration (FAA) related to cargo compartment fire protection in large transport aircraft. A gaseous hydrofluorocarbon, HFC-125, was compared to Halon 1301 in terms of fire suppression effectiveness and agent decomposition levels in the cargo compartment and passenger cabin during fu ...
  • Agricultural Transportation Challenges for the 21st Century Transportation and Logistical Challenges of Biotechnology
    Agricultural Transportation Challenges for the 21st Century: Transportation and Logistical Challenges of Biotechnology
    Norton, Jerry
    1998-07-01 | PDF
    Biotechnology is beginning to revolutionize agricultural production, especially for grains and oilseeds. Varietal improvements that have resulted in herbicide tolerance and insect resistance are increasing yields and reducing production costs for farmers. The next wave of advances in seed genetics will bring new varieties to the market with charact ...
  • Identification and Evaluation of Guide Signing for Airport Roadways with Specific Application to the DallasFort Worth International Airport
    Identification and Evaluation of Guide Signing for Airport Roadways with Specific Application to the Dallas/Fort Worth International Airport
    Hawkins, H. G. ;
    Stoddard, A.
    1998-07-01 | PDF
    Airport users consist of many types of travelers. Many of those using an airport may never leave the airport terminal(s), passing through the airport when transferring from one flight to another. Others may arrive at or depart from the airport by some mode of travel that does not require them to make travel decisions (such as public transit, taxi, ...
  • Analysis of Ditching and Water Survival Training Programs of Major Airframe Manufactures and Airlines
    Analysis of Ditching and Water Survival Training Programs of Major Airframe Manufactures and Airlines
    Cosper, Donna K. ;
    McLean, Garnet A.
    1998-07-01 | PDF
    Current transport category aircrew training programs related to ditching and water survival are reviewed for content and attention to detail. This activity resulted from industry and regulatory inquiries about the state-of-the-art in ditching and water survival operations, especially with regard to the increasing number of aircraft operations, and ...
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