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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 29681 - 29700 of 35448 results
  • Urban public transit systems modeling capabilities
    Urban public transit systems modeling capabilities
    Tyer, Kevin D. ;
    Rao, Kethireddipalli S.
    1995-02-01 | PDF
    Current national transportation policy places increasing emphasis on multi-modalsolutions involving public transit and high-occupancy vehicle (HOV) facilitiesand services. Current traffic simulation/assignment models, however, have onlylimited capabilities for evaluating the fuel consumption, traffic, andenvironmental impacts of alternative transit ...
  • Behavior of reinforced concrete pier caps under concentrated bearing loads
    Behavior of reinforced concrete pier caps under concentrated bearing loads.
    Denio, R. J. ;
    Yura, Joseph A.
    1995-02-01 | PDF
    At congested highway interchanges, the Texas Department of Transportation (TxDOT) uses narrow concrete piers andshallow depth steel cap girders. Research Project ()"1302 is concerned with the connection detail between these twoelements. This report deals with the shear strength and reinforcement details at the top of the concrete pier in the vicini ...
  • Simulation Analysis of Route Diversion Strategies for Freeway Incident Management Final Report
    Simulation Analysis of Route Diversion Strategies for Freeway Incident Management: Final Report
    Cragg, Catherine A. ;
    Demetsky, Michael J.
    1995-02-01 | PDF
    The purpose of this project was to investigate whether simulation models could be used as decision aids for defining traffic diversion strategies for effective incident management. A methodology was developed for using such a model to determine the effects of various incident types on freeway traffic flow and of diversion of freeway traffic on the ...
  • Minnesota Freight Flows 1990 a Compilation of Data by Mode and Commodity
    Minnesota Freight Flows, 1990: a Compilation of Data by Mode and Commodity
    Campbell, Candace ;
    Braulau, David
    1995-02-01 | PDF
    Extensive transportation systems, which include highways, rivers, Great Lakes ports, railroads, airports, and pipelines, link Minnesota to markets throughout the North American Continent. This study provides a comprehensive source of freight flow information in Minnesota and shows the ways in which the transportation systems support business and co ...
  • Assessing cryogenic testing of aggregates for concrete pavements
    Assessing cryogenic testing of aggregates for concrete pavements
    Korhonen, Charles ;
    Charest, Brian
    1995-02-01 | PDF
    Damage to concrete pavements caused by freeze-thaw deterioration of concrete aggregate remains a serious problem. Current tests for determining an aggregate's freeze-thaw durability can take up to 70 days to perform and results from these tests don't always correlate well with field performance. A rapid test for freeze-thaw durability that would ac ...
  • Statewide Transportation Improvement Program STIP
    Statewide Transportation Improvement Program (STIP)
    West Virginia. Dept. of Transportation
    1995-02-01 | PDF
    West Virginia?s Statewide Transportation Improvement Program (STIP) is designed to meet the requirements outlined in the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA), and the ?Statewide Planning; Metropolitan Planning; Rule (23 CFR Part 450,49 CFR Part 613)? provided by the Federal Highway Administration (FHWA) and theFederal Tr ...
  • Field trial of gravel stabilization methods Route 1 CyrVan Buren ME 2nd interim report
    Field trial of gravel stabilization methods : Route 1, Cyr-Van Buren, ME : 2nd interim report.
    Rand, David
    1995-02-01 | PDF
    This experimental construction project was developed, designed, and inspected by personnel from the University of Maine, Civil Engineering Staff. The experimental project was constructed on and as a part of Project #2586 00. This was a complete reconstruction project 354 km (2.2 miles) in length. The experimental sections contains 6 experimental ba ...
  • Casualty data analysis of the world merchant fleet for reported fire and explosion incidents resulting in marine pollution
    Casualty data analysis of the world merchant fleet for reported fire and explosion incidents resulting in marine pollution
    Gentile, Mark J. ;
    Dickenson, Robert P.
    1995-02-01 | PDF
    World wide merchant vessel fire and explosion data were analyzed to determine the contribution of these casualties to the marine pollution problem. The source of information is the Lloyd's Casualty Information System Data Base. The major findings of this analysis were presented for: 1) the overall fire/explosion problem for the world's merchant fle ...
  • Effect of salt additives on concrete degradation Phase II Executive summary
    Effect of salt additives on concrete degradation (Phase II). Executive summary
    Jang, Ji-Won ;
    Iwasaki, Iwao
    1995-02-01 | PDF
    This research builds on a previous investigation, which found that corrosion-inhibitor-added deicing salts caused degradation of concrete by both anions and cations. The latest research phase looked at methods to detect the chemical reactions between concrete and corrosion-inhibitor-added deicing salts, and to determine the chemical compositions of ...
  • Traffic monitoring guide
    Traffic monitoring guide
    United States. Federal Highway Administration
    1995-02-01 | PDF
    This guide is designed to provide direction on the monitoring of traffic characteristics. It begins with a discussion of the structure of traffic characteristics monitoring and traffic counting. The next two sections cover vehicle classification and truck weighing. The last section presents the coordinated record formats for station identification, ...
  • Toll Facilities in the United States Bridges Roads Tunnels Ferries 1995
    Toll Facilities in the United States: Bridges, Roads, Tunnels, Ferries [1995]
    United States. Federal Highway Administration
    1995-02-01 | PDF
    This report contains selected information on toll facilities in the United States. The information is based on a survey of facilities in operation, financed, or under construction as of January 1, 1995, and is presented in four tables. Table T-1 contains information such as the name, financing or operating authority, location and termini, feature c ...
  • Implementation Guidelines for Actuated Controllers in Coordinated Systems
    Implementation Guidelines for Actuated Controllers in Coordinated Systems
    Chang, Edmond Chin-Ping
    1995-02-01 | PDF
    This report summarizes the recommended coordination strategies and implementation guidelines for using actuated controllers effectively in coordinated signal systems. This research has developed a reliable analytical methodology for improving the overall design and operation of actuated controllers in coordinated systems, and for generating the par ...
  • Towards the Future The Promise of Intermodal and Multimodal Transportation Systems
    Towards the Future: The Promise of Intermodal and Multimodal Transportation Systems
    Anderson, S. E. ;
    Easley, R.B.
    1995-02-01 | PDF
    Issues relating to intermodal and multimodal transportation systems are introduced and defined. Intermodal and multimodal transportation solutions are assessed within the framework of legislative efforts such as Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA), Clean Air Act Amendments of 1990 (CAAA), and North American Free Trade A ...
  • Effect of Aggregates on Pavement Performance
    Effect of Aggregates on Pavement Performance
    McCullough, B. Frank ;
    Zollinger, Dan G.
    1995-02-01 | PDF
    In Texas, rigid (or portland cement concrete) pavements and flexible (or asphaltic concrete) pavements are most often constructed using crushed limestone and/or siliceous river gravel as the coarse aggregate. Project 1244, sponsored by the Texas Department of Transportation (TxDOT), evaluated the performance of rigid pavements and flexible pavement ...
  • Detector Location for Computerized Arterial Street Sampling Detectors
    Detector Location for Computerized Arterial Street Sampling Detectors
    Woods, Donald L. ;
    Rowan, Neilon J.
    1995-02-01 | PDF
    This report provides a systematic method of identifying and evaluating sites for arterial street sampling detectors to compliment computerized traffic control on arterial streets. The research literature failed to identify significant written documents on the locations of arterial detectors. Contacts with several signal manufacturers and many engin ...
  • An Annotated Bibliography of TransportationRelated Air Quality Documents 19891994
    An Annotated Bibliography of Transportation-Related Air Quality Documents, 1989–1994
    Stephenson, Amy R. ;
    Heath, Gayle L.
    1995-02-01 | PDF
    This bibliography represents the collection of transportation-related air quality materials collected by the Texas Transportation Institute in support of research for the Texas Department of Transportation and the Federal Highway Administration. The bibliography is arranged by subject and contains abstracts for most of the citations. Information is ...
  • Texas Mobile Source Emissions Software Version 20 Users Guide
    Texas Mobile Source Emissions Software Version 2.0: User’s Guide
    Bell, Charles E. ;
    Benson, Jimmie D.
    1995-02-01 | PDF
    This research report, which updates Research Report 1279-2, is a user's guide with operating instructions for each program. The mainframe programs were developed to estimate mobile source emissions and vehicle miles traveled (VMT). The PREPIN program allows the analyst to factor a 24-hour assignment to estimate the VMT and speeds for a subject time ...
  • Benefits of the Texas Traffic Light Synchronization TLS Grant Program II Volume I Executive Summary and Appendices AC
    Benefits of the Texas Traffic Light Synchronization (TLS) Grant Program II: Volume I, Executive Summary and Appendices A-C
    Fambro, Daniel B. ;
    Sangineni, Srinivas M.
    1995-02-01 | PDF
    The Texas Department of Transportation (TxDOT) was the administering agency for the Traffic Light Synchronization (TLS) Program IT which was funded with Oil Overcharge funds made available by the Governor's Energy Office. The TLS Program was approved by the United States Department of Energy as part of a package of transportation-related programs w ...
  • Benefits of the Texas Traffic Light Synchronization TLS Grant Program II Volume II Appendices DF
    Benefits of the Texas Traffic Light Synchronization (TLS) Grant Program II: Volume II. Appendices D-F
    Fambro, Daniel B. ;
    Sangineni, Srinivas M.
    1995-02-01 | PDF
    The Texas Department of Transportation (TxDOT) was the administering agency for the Traffic Light Synchronization {TLS) Program II which was funded with Oil Overcharge funds made available by the Governor's Energy Office. The TLS Program was approved by the United States Department of Energy as part of a package of transportation-related programs w ...
  • Intelligent Transportation Applications of Laser Optics Open Air Communication System
    Intelligent Transportation Applications of Laser Optics Open Air Communication System
    Chang, Sheldon
    1995-02-01 | PDF
    This Innovations Deserving Exploratory Analysis (IDEA) project explored the applications of infrared lightwaves in Intelligent Transportation System (ITS) communication and automated vehicle control. Two IDEA products emerge from this work: a communication system between the traffic operations center (TOC) and vehicles on its highways, and an autom ...
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