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Showing 27361 - 27380 of 35628 results
  • Investigation into the installation of wireless facilities in highway rightofway in Louisiana technical assistance report
    Investigation into the installation of wireless facilities in highway right-of-way in Louisiana : technical assistance report.
    Wilmot, Chester G.
    1998-07-01 | PDF
    This report documents an investigation into practice in other states regarding the location of telecommunication towers and fiber-optic cable in highway right-of-way. The study was commissioned by the Louisiana Department of Transportation and Development in February, 1998. The investigation involved a review of the literature and a survey among st ...
  • Evaluation of bridge deck delamination investigation methods
    Evaluation of bridge deck delamination investigation methods
    dos Reis, H. L. M. ;
    Baright, M. D.
    1998-07-01 | PDF
    An objective view of the relative advantages and limitations of the nondestructive, testing and evaluation methods that currently used in the inspection of bridge decks is presented and discussed. The three main nondestructive testing technologies that were evaluated are impact-echo, ground penetrating radar, and infrared thermography. nondestructi ...
  • Access to jobs a guide to innovative practices in welfare to work transportation
    Access to jobs : a guide to innovative practices in welfare to work transportation
    United States. Federal Transit Administration. Office of Research, Demonstration, and Innovation
    1998-07-01 | PDF
    This report summarizes those welfare reform transportation challenges and looks at the welfare-to-work transportation activities of several states, metropolitan planning organizations and transit agencies. In addition, it details the most pertinent research relating to welfare transportation, federal funding sources for welfare transportation and c ...
  • The Road to Successful ITS Software Acquisition Executive Summary
    The Road to Successful ITS Software Acquisition. Executive Summary
    United States. Federal Highway Administration
    1998-07-01 | PDF
    This document presents best practices and practical advice on how to acquire the software components of Intelligent Transportation Systems (ITS). The executive summary briefly describes the themes and activities developed during the project development.
  • We are all safer NTSBinspired improvements in transportation safety second sdition
    We are all safer : NTSB-inspired improvements in transportation safety : second sdition
    United States. National Transportation Safety Board
    1998-07-01 | PDF
    The National Transportation Safety Board (NTSB) was established by Congress in 1967 to investigate and determine the causes of accidents in all modes of transportation. Since then, the Safety Board has investigated more than 110,000 aviation accidents and thousands of railroad, marine, highway, and pipeline accidents. The Safety Board is responsibl ...
  • Accuracy Of LTPP Traffic Loading Estimates
    Accuracy Of LTPP Traffic Loading Estimates
    United States. Federal Highway Administration
    1998-07-01 | PDF
    The accuracy and reliability of traffic load estimates are key to determining a pavement's life expectancy. To better understand the variability of traffic loading rates and its effect on the accuracy of the Long Term Pavement Performance (LTPP) program's loading estimates, LTPP recently completed an analysis studying the effect of varying truck lo ...
  • WIM scale calibration a vital activity for LTPP sites
    WIM scale calibration: a vital activity for LTPP sites
    United States. Federal Highway Administration
    1998-07-01 | PDF
    Long-Term Pavement Performance (LTPP) data are the foundation for new pavement designs for years to come. As such, data collected at LTPP test sites need to be as accurate and complete as possible. For the collection of truck weight data, this requires direct calibration of weigh-in-motion (WIM) scales at LTPP test sites. The purpose of this TechBr ...
  • New York State LowLevel Radioactive Waste Status Report for 1997
    New York State Low-Level Radioactive Waste Status Report for 1997
    New York State Energy Research and Development Authority
    1998-06-30 | PDF
    This report summarizes data on low-level radioactive waste (LLRW)1 generated in New York State.2 It is based on reports from generators that must be filed annually with the New York State Energy Research and Development Authority (NYSERDA) and on data from the U.S. Department of Energy (U.S. DOE). The New York State Low-Level Radioactive Waste Mana ...
  • Proceedings of the Chornobyl Phytoremediation and Biomass Energy Conversion Workshop
    Proceedings of the Chornobyl Phytoremediation and Biomass Energy Conversion Workshop
    Hartley, Jim ;
    Tokarevsky, Vladimir
    1998-06-30 | PDF
    The primary goal of the workshop was to review and evaluate a concept of phytoremediation to extract radionuclides from the soil and near-surface groundwater combined with· biomass energy production to use the contaminated biomass from phytoremediation as well as other contaminated biomass in the Chernobyl Site Exclusion Zone (CEZ). Fifty-five know ...
  • SDDOT Pavement Management Segment Consolidation
    SDDOT Pavement Management Segment Consolidation
    Deighton, Richard
    1998-06-30 | PDF
    During this research project, the consultant investigated how optimal dTIMS strategies on adjacent road segments can be combined into construction projects and modifications to dTIMS were made so that this process can be done both automatically and manually. The investigation of the process by which optimal strategies can be combined took the form ...
  • Demonstration of Pozzolan Modified Cement to Mitigate ASR
    Demonstration of Pozzolan Modified Cement to Mitigate ASR
    Hansen, M. R. ;
    Haeder, Corey L.
    1998-06-30 | PDF
    Through the testing involved in this project, it has been shown that concrete made with Dacotah Type IPM cement has compressive and flexural strengths approximately 10 - 12% lower than standard Type I/II cement mixtures. This is probably due to the fact that 10% of the cement is replaced with a natural pozzolan. Cores taken from field test sections ...
  • Field Performance Of Concrete Admixtures
    Field Performance Of Concrete Admixtures
    Hansen, M.R. ;
    Flottmeyer, Brenda L.
    1998-06-30 | PDF
    This project investigated compatibility problems involving two concrete admixtures from W.R. Grace Products and Dacotah portland cement. The problems experienced by the South Dakota Department of Transportation (SDDOT) were described as rapid slump loss, premature stiffening, and low compressive strengths. The materials investigated in this report ...
  • 324 Facility SpecialCase Waste Assessment in Support of 324 Closure TPA Milestone M8905
    324 Facility Special-Case Waste Assessment in Support of 324 Closure (TPA Milestone M-89-05)
    Hobart, R. L.
    1998-06-25 | PDF
    Hanford Federal Facility Agreement and Consent Order, also known as the Tri- Party Agreement Milestone M-89-05, requires US Department of Energy, Richland Operations Office to complete a 324 Facility Special-Case Waste Assessment in Support of 324 Closure;Sponsored by Department of Energy, Washington, DC.;pg 92
  • Smallboat Covered Mooring Policy
    Smallboat Covered Mooring Policy
    United States. Coast Guard
    1998-06-24 | PDF
    This notice publishes the policy for construction of small boat covered moorings at Coast Guard Stations.
  • Estimated Waterborne Commerce Statistics for Calendar Year 1997 National Totals and Selected Inland Waterways
    Estimated Waterborne Commerce Statistics for Calendar Year 1997: National Totals and Selected Inland Waterways
    Navigation Data Center (U.S.)
    1998-06-22 | PDF
    A statistical report on inland waterways in the United States.
  • Initial Requirements Document for Controller Pilot Data Link Communications CPDLC Service
    Initial Requirements Document for Controller Pilot Data Link Communications (CPDLC) Service
    United States. Federal Aviation Administration
    1998-06-22 | PDF
    As stated in the Mission Need Statement (MNS) 042 for the Aeronautical Data Link System (ADLS) dated April 23, 1991, the Federal Aviation Administration (FAA) has established an operational plan for the Air Traffic Management (ATM) system of the twenty-first century. In order to realize the Communications, Navigation, and Surveillance/Air Traffic M ...
  • Airline Competition Cargo Airline Has Enhanced Competition in Hawaii but Faces an Uncertain Future
    Airline Competition: Cargo Airline Has Enhanced Competition in Hawaii but Faces an Uncertain Future
    United States. General Accounting Office. Resources, Community, and Economic Development Division
    1998-06-18 | PDF
    The transport of cargo throughout Hawaii is greatly affected by the state's unique geography. Because Hawaii comprises eight major islands remote from the U.S. mainland, many cargo customers must rely on air service as the only way to transport their goods in a timely fashion. Historically, two airlines - Aloha Airlines and Hawaiian Airlines - have ...
  • Screening guide for rapid assessment of liquefaction hazard at highway bridge sites
    Screening guide for rapid assessment of liquefaction hazard at highway bridge sites
    Youd, T.L.
    1998-06-16 | PDF
    As an aid to seismic hazard assessment, this report provides a "screening guide" for systematic evaluation of liquefactin hazard at bridge sites and a guide for prioritizing sites for further investigation or mitigation. The guide presents a systematic appication of standard criteria for assessing liquefaction, ground displacement potential, and vu ...
  • Seasonal instrumentation of SHRP pavements the Ohio State University executive summary
    Seasonal instrumentation of SHRP pavements, the Ohio State University : executive summary.
    Wolfe, W. E. ;
    Abdulshafi, O. A.
    1998-06-11 | PDF
    Environmental instruments to measure temperature, soil moisture and frost depth were installed at five test sections of the SHRP pavement project on U.S. 23 north of Delaware, Ohio. At three of these locations tensiometers, which a designed to measure negative pore pressures, were added to the instrumentation package. The pore pressures as recorded ...
  • Augmenting Traffic Safety Public Service Time for Promoting Community Programs
    Augmenting Traffic Safety Public Service Time for Promoting Community Programs
    United States. Department of Transportation. National Highway Traffic Safety Administration
    1998-06-09 | PDF
    Arrangements for television and radio public service announcements to introduce a traffic safety campaign in your community. HTML version available at <http://www.nhtsa.dot.gov/people/outreach/safesobr/12qp/augmenting.html>. Part of the Campaign Safe & Sober program.
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