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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
    <image>
      <title>Transport Research International Documentation (TRID)</title>
      <url>https://trid.trb.org/Images/PageHeader-wTitle.jpg</url>
      <link>https://trid.trb.org/</link>
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    <item>
      <title>THE APPLICATION OF A NOVEL TWO-WAY MOBILE SATELLITE COMMUNICATIONS AND VEHICLE TRACKING SYSTEM TO THE TRANSPORTATION INDUSTRY</title>
      <link>https://trid.trb.org/View/640023</link>
      <description><![CDATA[A novel two-way mobile satellite communications and vehicle position reporting system currently operational in the United States and Europe is described.  The system characteristics and service operations are described in detail, and technical descriptions of the equipment and signal processing techniques are provided.  Additionally, the application of this technology to the land transportation industry and specifically the over-the-road truckload motor carrier segment with the type of benefits being derived by the current users through experience is also described.]]></description>
      <pubDate>Fri, 17 Nov 2000 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/640023</guid>
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      <title>FUTURE DIRECTIONS FOR TRAFFIC MANAGEMENT SYSTEMS</title>
      <link>https://trid.trb.org/View/492700</link>
      <description><![CDATA[A new form of traffic control system is emerging based on the use of microprocessors, interconnected in a local area network (LAN). These networked systems provide the ability for multiple users to access system databases and to provide an enhanced suite of capabilities including on line signal optimization, maintenance management, and traffic management. They are useful for both signal and freeway control applications.  Their operation requires more sophisticated local control equipment to provide the backup and local timing features for reliable operation, and to take advantage of the central system's capabilities.  The microprocessor is rapidly replacing the microcomputer as a central control processor because of its lower cost, user friendliness, and the availability of numerous off- the- shelf software packages to enhance its operation.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492700</guid>
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      <title>OPTIMIZING NETWORKS OF TRAFFIC SIGNALS IN REAL TIME: THE SCOOT METHOD</title>
      <link>https://trid.trb.org/View/492701</link>
      <description><![CDATA[This paper describes how the SCOOT Urban Traffic Control System evolved form research by the British Government's Transport and Road Research Laboratory (TRRL) on the TRANSYT method of optimizing networks of fixed time signals.  The key principles of the SCOOT on- line traffic model and real-time signal optimizers are explained.  The results of surveys are reviewed, applications are summarized and some new developments are outlined.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492701</guid>
    </item>
    <item>
      <title>THE TRAVELPILOT: A SECOND-GENERATION AUTOMOTIVE NAVIGATION SYSTEM</title>
      <link>https://trid.trb.org/View/492702</link>
      <description><![CDATA[The Travelpilot IDS is a second-generation automotive driver-guidance system that uses dead-reckoning and map-matching for navigation.  It displays road maps to guide the driver.  It also can find destinations and display them to the driver.  In this paper, the Travelpilot's hardware, software, and maps are discussed.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492702</guid>
    </item>
    <item>
      <title>DYNAMIC ROUTE GUIDANCE AND INTERACTIVE TRANSPORT MANAGEMENT WITH ALI- SCOUT</title>
      <link>https://trid.trb.org/View/492703</link>
      <description><![CDATA[ALI-SCOUT is a dynamic route guidance system with on-board equipment that receives routing information from a centrally located traffic guidance computer when passing infrared communications beacons installed at selected traffic signal lights and other strategic locations.  The received information consists of a route tree giving the best routes based on current traffic conditions for traveling from the beacon location toward various destination zones.  The on-board equipment selects from the route tree according to the destination input by the driver, and issues route guidance instructions along the way by means of a simplified graphic display and synthesized voice. Navigation between beacon locations is accomplished by dead-reckoning with map-matching, and travel times for road links along the route are communicated to the beacons to augment the traffic information database of the central traffic guidance computer.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492703</guid>
    </item>
    <item>
      <title>RF [RADIO FREQUENCY] DATA COMMUNICATIONS CONSIDERATIONS IN ADVANCED DRIVER INFORMATION SYSTEMS</title>
      <link>https://trid.trb.org/View/492704</link>
      <description><![CDATA[Intelligent Vehicle Highway Systems (IVHS) and its subset Advanced Driver Information Systems (ADIS) have generated a new challenge for communications technologies.  Some of the communications technologies that may be considered for IVHS/ADIS implementation are described with an emphasis on wide area radio-frequency data communications. The steps in designing a radio-frequency data system for IVHS/ADIS are reviewed, and design trade-offs raised and discussed.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492704</guid>
    </item>
    <item>
      <title>THE UTILIZATION OF REAL-TIME TRAFFIC INFORMATION BY THE TRUCKING INDUSTRY</title>
      <link>https://trid.trb.org/View/492705</link>
      <description><![CDATA[With the trucking industry's investment of money and effort into communications with its drivers and the potential advantages and cost savings of real-time traffic information, linking motor carriers into TRANSCOM's information network, has an exciting potential.This availability of real-time traffic information could aid the trucking industry by increasing the fleet productivity, improving customer service, improving the environment for their drivers, and reducing their costs, with an ultimate effect on their bottom line. These possible improvements as well as an American Trucking Associations (ATA) Foundation demonstration being carried out by TRANSCOM to quantify these improvements will be discussed.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492705</guid>
    </item>
    <item>
      <title>OPTIMIZATION MODELS AND ALGORITHMS: AN EMERGING TECHNOLOGY FOR THE MOTOR CARRIER INDUSTRY</title>
      <link>https://trid.trb.org/View/492706</link>
      <description><![CDATA[The emergence of new information technologies, tremendous competition and the growth of very large carriers in truckload trucking is placing increasing emphasis on powerful new tools for planning operations. Increasingly, management in the motor carrier industry is being asked to review and critically evaluate these new technologies for their own operations.  We review the optimization models and algorithms for transportation, with the intent of providing lay management with at least a feeling of the range of technologies that are available, and a sense of the strengths and weaknesses of each.  The presentation describes the different types of applications of optimization to transportation that have evolved, and outlines how different methods are suited to different types of problems.  Special attention is given to real-time optimization for truckload motor carriers.  A new interactive graphic simulation system, called MIDAS, (micro dispatch and simulation), has been developed for demonstrating optimization methods, allowing the user to compete against the optimization model in a real-time framework.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492706</guid>
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    <item>
      <title>AUTOMATED HIGHWAY STUDIES AT THE OHIO STATE UNIVERSITY: AN OVERVIEW</title>
      <link>https://trid.trb.org/View/492707</link>
      <description><![CDATA[An ambitious, long-range program on various aspects of automated highway operations was conducted at The Ohio State University (OSU) from 1964 to 1980.  This program included studies on headway safety policy; longitudinal control; lateral control; highway system operations.  The principal emphasis was the design and development of reference system/controller for both longitudinal and lateral vehicle control.  Related activities ranged from the theoretical development of control concepts to their realization and field testing.  The policy and system operation studies both guided the vehicle control activities and provided overall program direction. These resulted in a requirement for a 6.4km, automated vehicle control facility which was almost completed when this work ws terminated in 1980. The highlights of these efforts are contained herein.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492707</guid>
    </item>
    <item>
      <title>AUTOMATIC VEHICLE CONTROL DEVELOPMENTS IN THE PATH PROGRAM</title>
      <link>https://trid.trb.org/View/492708</link>
      <description><![CDATA[The accomplishments to date on the development of automatic vehicle control (AVC) technology in the Program on Advanced Technology for the Highway (PATH) at the University of California, Berkeley, are summarized. The basic principles and assumptions underlying the PATH work are identified, followed by explanations of the work on automating vehicle lateral (steering) and longitudinal (spacing and speed) control.  For both lateral and longitudinal control, the modeling of plant dynamics is described first, followed by development of the additional subsystems needed (communications, reference/sensor systems) and the derivation of the control laws.  Plans for testing on vehicles in both near and long term are then discussed.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492708</guid>
    </item>
    <item>
      <title>ROAD TRANSPORT INFORMATICS IN EUROPE: MAJOR PROGRAMS AND DEMONSTRATIONS</title>
      <link>https://trid.trb.org/View/492709</link>
      <description><![CDATA[During the last five years there has been significant progress in Europe towards the widespread implementation of Road Transport Informatics (RTI), or Intelligent Vehicle Highway Systems (IVHS) as they are known in the United States.  This paper offers a brief summary of the more significant developments, such as route guidance system implementations in Berlin and London, and includes descriptions of the major research programs DRIVE and PROMETHEUS.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492709</guid>
    </item>
    <item>
      <title>TWO MAJOR PROGRAMS AND DEMONSTRATIONS IN JAPAN</title>
      <link>https://trid.trb.org/View/492710</link>
      <description><![CDATA[The activities to promote development of in-vehicle information systems in Japan are described.  First, two major projects, Advanced Mobile Traffic Information and Communications System (AMTICS) and Road/Automobile Communication System (RACS) and their social backgrounds are explained. Then, some of the results and findings of the RACS experiments are briefly illustrated.  Finally, the status of the projects and future problems in developing more advanced systems are mentioned.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492710</guid>
    </item>
    <item>
      <title>THE HEAVY VEHICLE ELECTRONIC LICENSE PLATE PROGRAM AND CRESCENT DEMONSTRATION PROJECT</title>
      <link>https://trid.trb.org/View/492711</link>
      <description><![CDATA[The Heavy Vehicle Electronic License Plate (HELP) Project and Crescent Demonstration Project is a binational, multi-state cooperative study and demonstration project involving government and industry participating to investigate new technologies that have the potential to provide an integrated heavy vehicle management system with applications to both highway and vehicle systems.  The study elements of this project focus on five technologies:  automatic vehicle identification, weigh-in-motion, automatic vehicle classification satellite data links and data communications networks including on- board computers.  The demonstration part of the program, referred to as the Crescent Demonstration Project, began in April 1990 involving six states and one providence in Canada and will be phased into a full-scale operation over the next three years. This paper provides an overview of the program and the components of the implementation plan.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492711</guid>
    </item>
    <item>
      <title>ADVANCED TRAFFIC MANAGEMENT IN CALIFORNIA</title>
      <link>https://trid.trb.org/View/492712</link>
      <description><![CDATA[Describes the Santa Monica Freeway Smart Corridor Demonstration Project, a multiagency cooperative project, which will test various existing and new advanced technology methods for coordinated traffic management.]]></description>
      <pubDate>Wed, 17 Nov 1999 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/492712</guid>
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