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Showing 32901 - 32920 of 36747 results
  • Transitway Surveillance Communications and Control Chapter 4 of the Manual for Planning Designing and Operating Transitway Facilities in Texas
    Transitway Surveillance, Communications, and Control Chapter 4 of the Manual for Planning, Designing and Operating Transitway Facilities in Texas
    McCasland, William R. ;
    Stokes, Robert W.
    1986-10-01 | PDF
    Transitways are exclusive, physically separated, limited access roadway facilities for high occupancy vehicles (buses, vans, carpools). The complexity of operations (reversible flow) and, in many applications, the restrictions to cross-section width, emphasizes the need for an active traffic operations management system which includes capabilities ...
  • Significant Results and Assorted Tests and Procedures for Reflective Raised Pavement Markers Executive Summary
    Significant Results and Assorted Tests and Procedures for Reflective Raised Pavement Markers [Executive Summary]
    McNees, Roger W. ;
    Noel, James S.
    1986-10-01 | PDF
    This report is the fourth and final of research project 2-18-82-322, "A Study of Raised Reflective Pavement Markers." This report contains an executive summary of the project which includes the research methodology, significant conclusions and suggested future research in the area. This report also contains several tests and procedures which once u ...
  • StateoftheArt and Objectives of Reflective Raised Pavement Markers
    State-of-the-Art and Objectives of Reflective Raised Pavement Markers
    McNees, Roger W. ;
    Noel, James S.
    1986-10-01 | PDF
    This report is the first in a series of four and presents the problem statement of this research. Included are the objectives of the research project, research methodology to be used, and an annotated bibliography.
  • The Development of Traffic Information for Estimation of Mobile Source Emissions for Air Quality Modeling Volume II IMPACT Users Guide
    The Development of Traffic Information for Estimation of Mobile Source Emissions for Air Quality Modeling [Volume II, IMPACT: User’s Guide]
    Dresser, George B. ;
    Bell, Charles E.
    1986-10-01 | PDF
    Estimation of mobile source emissions for metropolitan areas is required on a continuing basis for assessing the impact of highway projects on urban air quality, for preparation of State Implementation Plans (SIPs) and for monitoring progress toward air quality standards. This study examined several approaches to the problem of estimating mobile so ...
  • Retention of Reflective Raised Pavement Markers
    Retention of Reflective Raised Pavement Markers
    Noel, James S. ;
    McNees, Roger W.
    1986-10-01 | PDF
    This report is the third in a series of four, and it presents the procedures and results of various studies conducted to determine (1) the causes of marker retention failures, and (2) possible counter measures to increase the service life of the markers and traffic buttons. It was clearly established that marker retention is an inverse function of ...
  • A LowMaintenance Energy Absorbing Bridge Rail
    A Low-Maintenance, Energy Absorbing Bridge Rail
    Beason, W. Lynn ;
    Cain, J. C.
    1986-10-01 | PDF
    A low-maintenance, energy-absorbing bridge rail has been developed for use in high traffic volume situation where the cost of repairing conventional bridge rails has become prohibitively expensive. The new bridge rail is designed to meet or exceed current bridge rail design guidelines. The new bridge rail incorporates structural steel tube railings ...
  • Alternative Analysis of XRamp and Diamond Ramp Designs
    Alternative Analysis of X-Ramp and Diamond Ramp Designs
    Borchardt, Darrell W. ;
    Chin-Ping Chang, Edmond
    1986-10-01 | PDF
    As congestion increases on Texas urban freeways during periods of peak traffic demand, State Department of Highways and Public Transportation (SDHPT) highway design engineers are considering different methods of improving freeway operations. One problem encountered includes when and where to use an x-ramp pattern as opposed to the more conventional ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1986-10-01 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • An Analysis of Potential Impacts of Regulatory Reform on the Intrastate Trucking Industry in North Dakota
    An Analysis of Potential Impacts of Regulatory Reform on the Intrastate Trucking Industry in North Dakota
    Ming, Dennis R
    1986-10-01 | PDF
    The purpose of this study was to address potential impacts of regulatory reform concerning the intrastate motor carrier industry in North Dakota. Potential effects on trucking firms, shippers and receivers were analyzed. The study included a literature review concerning regulation/deregulation of the motor carrier industry, a financial analysis of ...
  • An Analytical Study of Icing Similitude for Aircraft Engine Icing
    An Analytical Study of Icing Similitude for Aircraft Engine Icing
    Bartlett, C. Scott
    1986-10-01 | PDF
    An analytical study was conducted of the requirements for achieving similitude for icing as test conditions were varied. The application is aimed at engine icing tests conducted in ground spray rig facilities. The analysis considers the changes in the icing test conditions, including static temperature, static pressure, liquid water content, drople ...
  • The Use of Contracting by Public Transit Agencies in California
    The Use of Contracting by Public Transit Agencies in California
    Systan Inc.  ...
    1986-09-30 | PDF
    This study documents and assesses the use of contracting arrangements by public transit agencies in California for obtaining goods and services from the private sector. The study's purpose is to describe contracting by public transit agencies, as the beginning process to ascertain the need for assistance in contracting and prescribe the form of tha ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1986-09-26 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • Summary of Traffic Control Guidelines for Construction and Maintenance Work Zones Summary Report
    Summary of Traffic Control Guidelines for Construction and Maintenance Work Zones: Summary Report
    Texas Transportation Institute. Texas A&M University
    1986-09-01 | PDF
    This summary report highlights general traffic control guidelines for construction and maintenance activities on urban freeways where a uniformed officer is needed to reinforce an existing traffic control plan for optimum traffic flow. The officer functions as an authority figure with the capability of citation; however, for the purpose of traffic ...
  • Summary of Enforcement Guidelines for Priority Treatment Facilities Executive Summary
    Summary of Enforcement Guidelines for Priority Treatment Facilities: Executive Summary
    Mounce, J. M. ;
    Stokes, R. W.
    1986-09-01 | PDF
    The primary objective of enforcement by pol ice officers on priority treatment facilities is to maintain the design and operational integrity of the facility for those high occupancy vehicles designated or authorized to use it. In this regard, detection and apprehension of violators, issuance of citations to violators, and effective prosecution of ...
  • Summary of Enforcement Guidelines for TSM Operations Summary Report
    Summary of Enforcement Guidelines for TSM Operations: Summary Report
    Mounce, John M. ;
    Stokes, Robert W.
    1986-09-01 | PDF
    Several types of TSM operations that require strict enforcement are listed and three strategies that may be employed for enforcement on TSM projects are discussed, namely, routine enforcement, special enforcement, and selective enforcement. Several alternative procedures for conducting TSM enforcement activities are noted. These cover various aspec ...
  • Morse Brothers Inc Clackamas concrete cylinder mold investigation
    Morse Brothers, Inc. Clackamas concrete cylinder mold investigation.
    Wence, Donald E.
    1986-09-01 | PDF
    No Description
  • Improved Methods for Sealing Joints in Portland Cement Concrete Pavements
    Improved Methods for Sealing Joints in Portland Cement Concrete Pavements
    Collins III, Alexander M. ;
    Mangum, Wayne D.
    1986-09-01 | PDF
    This report presents the results of laboratory tests, field studies, and literature searches which pertain to the behavior of concrete pavement joints, slabs, and joint sealing materials. A review of common pavement joint and pavement slab failures is presented. The properties of several commonly used joint sealant materials are also discussed.
  • Prefabricated vertical drains vol I engineering guidelines
    Prefabricated vertical drains, vol. I : engineering guidelines.
    Rixner, J. J. ;
    Kraemer, S. R.
    1986-09-01 | PDF
    This volume presents procedures and guidelines applicable to the design and instaltion of prefabricated vertical drains to accelerate consolidation of soils. Thecontents represent the Consultant's interpretation of the state-of-the-art as ofAugust 1986. The volume is intended to provide assistance to engineers in determiningthe applicability of PV ...
  • Summary of Traffic Control Guidelines for Major Incident Response Summary Report
    Summary of Traffic Control Guidelines for Major Incident Response: Summary Report
    Mounce, John M. ;
    Stokes, Robert W.
    1986-09-01 | PDF
    This report highlights general traffic control guidelines for construction and maintenance activities on urban freeways where a uniformed officer is needed to enforce an existing traffic control plan for optimum traffic flow. These guidelines are intended to serve as a general reference guide for field personnel responsible for implementing traffic ...
  • Petrotac bridge deck waterproofing membrane on Five Mile Creek Bridge first interim report
    Petrotac bridge deck waterproofing membrane on Five Mile Creek Bridge : first interim report.
    Petrak, Allison
    1986-09-01 | PDF
    During the 1970's, the Oregon State Highway Division was involved in a Federally funded experimental program to evaluate various waterproofing membrane systems for bridge decks. Through this program, a list of approved products and/or systems was developed. Since the completion of that study, several of these products have been discontinued and rep ...
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