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    <title>Transport Research International Documentation (TRID)</title>
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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>
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      <title>Transport Research International Documentation (TRID)</title>
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    <item>
      <title>SYSTEM/SUBSYSTEM SPECIFICATIONS FOR THE WORLDWIDE PORT SYSTEM (WPS) REGIONAL INTEGRATED CARGO DATABASE (ICDB)</title>
      <link>https://trid.trb.org/View/461387</link>
      <description><![CDATA[This System/Subsystem Specifications for the Worldwide Port System (WPS) Regional Integrated Cargo Database (ICDB) documents the system/subsystem functions, provides details of the system/subsystem analysis in order to provide a communication link between developers and operational personnel, and identifies other systems and subsystems. This report describes the software units that are components of thie ICDB system as of August 1995.  Future formal testing and user reviews may indicate the need for additional software units or changes to existing ones documented here.]]></description>
      <pubDate>Thu, 03 Oct 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/461387</guid>
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    <item>
      <title>INTERFACING THE NINTENDO POWER GLOVE TO A MACINTOSH COMPUTER</title>
      <link>https://trid.trb.org/View/411723</link>
      <description><![CDATA[This report describes the software and hardware necessary to interface a Nintendo Power Glove to a Macintosh computer. Located on top of the hand are two speakers whose output is received by an array of three microphones. Right hand location (to the nearest 1/4 inch) and orientation are determined by three dimensional triangulation of the sound signals. In addition, independent information on the state of all fingers on that hand except the little finger (flexed or extended) is provided. The hardware interface described controls the Power Glove's signal lines and converts the data from the Glove into RS-422 for the Macintosh serial port. The interface samples the Glove's position under control of a C program (Appendix B). When the glove is not pointed towards sensors, the ultrasonic pulse from the glove is reflected off of the windshield or instrument panel and the location of the glove is incorrectly identified. This is easily corrected.]]></description>
      <pubDate>Tue, 21 Feb 1995 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/411723</guid>
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    <item>
      <title>LR-1 PORTABLE LINE RECTIFIER</title>
      <link>https://trid.trb.org/View/93474</link>
      <description><![CDATA[THE LR-1 PORTABLE LINE RECTIFIER PRODUCES RECTIFIED LINE DRAWINGS FROM FRAME AND PANORAMIC PHOTOGRAPHY, INFRARED RECORDS, AND SIDE-LOOKING RADAR IMAGERY. THE ENTIRE SYSTEM, WHICH USES MICROELECTRONIC ANALOG COMPUTING CIRCUITRY FOR RECTIFICATION, CONSISTS OF TWO COMPACT MODULES WHICH RESTS ON AN OFFICE DESK OR TABLE AND WHICH FOLD INTO TWO PORTABLE CARRYING CASES. TOTAL WEIGHT OF THE MODULES IS 130 POUNDS. PHOTOGRAPHIC INPUTS MAY HAVE FOCAL LENGTHS RANGING FROM 3 TO 36 INCHES AND CAMERA TILTS OR SWEEP ANGLES RANGING FROM 0 TO OVER 80 DEGREES. OUTPUT DRAWINGS CAN BE SCALED FROM 0.5 TO 10 TIMES THE INPUT RECORDS. RECTIFICATION ACCURACY IN PLOTTED DISTANCES IS WITHIN 0.1 PERCENT. DURING SETUP OF INPUT RECORDS, WHICH MAY BE PERFORMED EITHER ANALYTICALLY OR EMPIRICALLY, ORIENTATION ANGLES AND OTHER PARAMETERS ARE ENTERED DIRECTLY BY THE OPERATOR WITHOUT ANY OFF-LINE OR AUXILIARY COMPUTATIONS. THE OPERATOR TRACES FEATURES OF INTEREST WITH A MARK OF LIGHT PROJECTED FROM A RADIAL ARM, AND A STYTUS SIMULTANEOUSLY DRAWS THE RECTIFIED FEATURES. THE LR-1 SYSTEM WAS DEVELOPED BY BENDIX RESEARCH LABORATORIES UNDER SPONSORSHIP OF NAVAL AIR SYSTEMS COMMAND. /ASP/]]></description>
      <pubDate>Fri, 09 Dec 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/93474</guid>
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    <item>
      <title>A COMPUTER SYSTEM FOR URBAN STUDIES</title>
      <link>https://trid.trb.org/View/133728</link>
      <description><![CDATA[THE SPECIFICATIONS AND THE DESIGN OF A COMPUTER SYSTEM FOR URBAN AND REGIONAL PLANNING ARE DESCRIBED, WITH EMPHASIS ON THE VARIOUS COMPONENT ELEMENTS. THESE INCLUDE: /1/ A HIER- ARCHICAL STRUCTURE FOR DATA STORAGE WHICH ALLOWS FOR MORE DETAILED INQUIRIES INTO THE KINDS OF INFORMATION CONTAINED IN THE SYSTEM, FAST RETRIEVAL OF THE INFORMATION SELECTED, THE STRUCTURE AS WELL AS THE DATA TO BE EDITED, AND AUTOMATIC EDITING OF THE STRUCTURE WITH THE ADDITION OF ANY NEW DATA, /2/ AN EQUIVALENT STRUCTURE CONTAINING PROGRAMS TO ANALYZE AND MANIPULATE THE DATA RETRIEVED AND A SET OF GRAPHICAL PROCEDURES FOR DISPLAYING THE RESULTS, AND /3/ A VERY SIMPLE ENGLISH-LIKE LANGUAGE FOR DEALING WITH THESE STRUCTURES AND THEIR CONTENTS. THE COMPUTER SYSTEM PRESENTLY OPERATES IN EITHER A BATCH-PROCESSED OR A TIME- SHARED MODE. HOWEVER, THE FULL POTENTIAL OF THE SYSTEM CAN ONLY BE REALIZED IN A TIME-SHARED ENVIRONMENT, PREFERABLY ONE WHICH ALLOWS BULK OUTPUT JOBS TO BE INITIATED BY THE TIME-SHARING USER.]]></description>
      <pubDate>Sat, 26 Nov 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/133728</guid>
    </item>
    <item>
      <title>VEHICLE INFORMATION SYSTEMS AND ELECTRONIC DISPLAY TECHNOLOGY. A DOT MATRIX DISPLAY SOFTWARE DEVELOPMENT ENVIRONMENT</title>
      <link>https://trid.trb.org/View/360616</link>
      <description><![CDATA[An efficient, integrated development environment for a dot matrix display system can permit software and hardware to be developed independently and simultaneously. Such a system can directly spawn a host of development tools that expedite the configuration of dot matrix display systems for many varied applications. A Dot Matrix Display Simulator provides a means for software debug as well as an end-product that can be used in lieu of physical display hardware. By developing systems that satisfy the criteria for application-independence (1), a development link can be established between the simulation tools and the physical hardware target. This results in a shorter display development cycle by enabling new features to be tested and added to the physical target with a minimum of difficulty.]]></description>
      <pubDate>Sun, 30 Jun 1991 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/360616</guid>
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      <title>COMPUTER SYSTEMS INDEX 1987</title>
      <link>https://trid.trb.org/View/281757</link>
      <description><![CDATA[Information is presented here which describes systems associated with the transportation engineering and transportation administrative fields.  This report, which is prepared and/or updated by the AASHTO Administrative Subcommittee on Computer Technology on a biennial basis, includes a section on microcomputers.  The publication, which is intended to promote the exchange of computer systems, procedures and techniques, is designed to serve highway and transportation public agencies at the federal, state and local levels.]]></description>
      <pubDate>Tue, 30 Jun 1987 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/281757</guid>
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    <item>
      <title>ROAD BOUNDARY DETECTION FOR AUTONOMOUS VEHICLE NAVIGATION</title>
      <link>https://trid.trb.org/View/274486</link>
      <description><![CDATA[The Computer Vision Laboratory at the University of Maryland has been developing a computer vision system for autonomous ground navigation of roads and road networks.  This report describes the image processing component of that vision system and its implementation on a VICOM image processing system.]]></description>
      <pubDate>Tue, 31 Mar 1987 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/274486</guid>
    </item>
    <item>
      <title>UTCS FUNCTIONAL HARDWARE SPECIFICATIONS HANDBOOK. FINAL REPORT</title>
      <link>https://trid.trb.org/View/273521</link>
      <description><![CDATA[The objective of this Handbook is to provide system designers with specific information required to define a central computer controlled traffic signal system.  This Handbook contains specifications for the UTCS Enhanced software.  Specifications are included for traffic signal controllers, detectors, circuit protection, communication equipment, computer and peripherals, control and display devices, traffic application software, operating system software, and the interfaces between system elements.  In addition to hardware specifications, the Handbook contains discussions of each of the system elements.  This information is provided to help the designer make informed decisions as to what hardware is necessary for a system. For example, the advantages and disadvantages of using a control panel rather than a CRT for the operator input device are analyzed.  The information also serves as a refresher for designers who have not had recent experience with this task. The Handbook also contains specifications for testing, training, and documentation.  Both operational and maintenance facets of the system are included in the specifications.  The principles of specification writing, including the organization of specifications, writing style and wording, and a description of functional specifications, are also discussed.]]></description>
      <pubDate>Wed, 31 Dec 1986 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/273521</guid>
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    <item>
      <title>AN INTEGRATED COMPUTING FACILITY FOR DATA ACQUISITION AND ANALYSIS</title>
      <link>https://trid.trb.org/View/267507</link>
      <description><![CDATA[The paper describes the design detail of an integrated computing facility for data acquisition and analysis being developed for MIRA, and outlines the available software packages and their range of applications.  Particular attention is given to the use of microprocessors in the transmitter and receiving systems of the telemetry orientated equipment package, and the degree of integration of the acquisition system with the main computing facility is detailed.  The advantages and disadvantages of this type of system are summarised and suggestions are made regarding possible future modifications.  (TRRL)]]></description>
      <pubDate>Thu, 31 Jul 1986 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/267507</guid>
    </item>
    <item>
      <title>PERSONAL WORKSTATIONS ARRIVING ON MAJOR CADD SYSTEMS</title>
      <link>https://trid.trb.org/View/271095</link>
      <description><![CDATA[At computer graphics shows this Spring 1985, three major computer-aided design and drafting (CADD) system vendors announced IBM Personal Computer additions to their minicomputer-level systems.  Another major vendor was showing the many applications of its recently delivered workstation that s also IBM PC compatible.  These workstations range from completely stand-alone units with little compatibility with the CADD vendor's system to full workstations, with IBM PC compatibility.  Prices range from $9,000 to around $25,000.  The low-end workstations are designed for graphics-oriented input, interactive engineering design, viewing and minor editing.  The high-end workstations are designed to perform most of the functions of the vendor's full systems or workstations. These workstations are not, however, designed to compete against PC's with micro-level software (such as AutoCAD and VersaCAD).  Rather, against PC's in the major CADD system vendors' existing customer base who are buying additional workstations.  (Author)]]></description>
      <pubDate>Wed, 30 Apr 1986 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/271095</guid>
    </item>
    <item>
      <title>HERTFORDSHIRE ACCIDENT COMPUTER SYSTEM</title>
      <link>https://trid.trb.org/View/207674</link>
      <description><![CDATA[This compilation of accident data and programs description is essentially a print out from the Hertfordshire accident computer system.  It contains 8 sections: 1, introduction; 2, the input system; 3, on demand outputs; 4, accident analysis programs; 5, accident problem identification programs; 6, before and after study program; 7, regular printouts, and 8, graphics.  (TRRL)]]></description>
      <pubDate>Mon, 29 Apr 1985 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/207674</guid>
    </item>
    <item>
      <title>COMPUTER SYSTEMS INDEX</title>
      <link>https://trid.trb.org/View/185498</link>
      <description><![CDATA[The information contained in this publication represents descriptions of information systems associated with the transportation engineering and transportation administrative fields. The purpose is to foster and promote the exchange of computer systems, procedures and techniques. The report is prepared and/or updated by the AASHTO Administrative Subcommittee on Computer Technology on a biennial basis. Data for publications are accepted from all transportation oriented public agencies. The basic intent of this index is to serve highway and transportation public agencies at the federal, state and local levels. Private individuals and organizations are advised that certain restrictions concerning the release of data to them may apply and that the exchange of information with them must, of necessity, be controlled by the rules, regulations and laws governing the individual public agencies involved. (Author)]]></description>
      <pubDate>Tue, 31 May 1983 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/185498</guid>
    </item>
    <item>
      <title>HIGHWAY ENGINEERING EXCHANGE PROGRAM</title>
      <link>https://trid.trb.org/View/175276</link>
      <description><![CDATA[The purpose of the Highway Engineering Exchange Program (HEEP) is to promote the exchange of computer programs, systems and concepts between its members in the field of civil engineering, transportation, and management. Membership is open to those active in highway engineering in Federal, state, provincial, and local government and in institutions of higher education.  This edition of HEEP's newsletter contains the minutes of 1981 annual meeting, as well as the minutes of the various regional meetings held in 1981.  It also contains an inventory of the hardware and software systems in use in each of a number of Federal, state, provincial and local transportation agencies.]]></description>
      <pubDate>Wed, 30 Jun 1982 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/175276</guid>
    </item>
    <item>
      <title>BIRMINGHAM-JEFFERSON COUNTY TRANSIT AUTHORITY MAINTENANCE INFORMATION SYSTEM (ABRIDGMENT)</title>
      <link>https://trid.trb.org/View/167551</link>
      <description><![CDATA[The way in which a computerized maintenance management information system has made a notable and favorable financial impact on maintenance labor cost as the Birmingham-Jefferson County Transit Authority is discussed. The paper identifies the need to which the computerized system was directed and presents a system overview of the elements of the system.  It also shows how each element works and describes the achievements in financial terms of the maintenance management information system.]]></description>
      <pubDate>Wed, 28 Oct 1981 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/167551</guid>
    </item>
    <item>
      <title>NETWORK BASE FILE SYSTEM FOR TRANSPORTATION ANALYSIS</title>
      <link>https://trid.trb.org/View/87710</link>
      <description><![CDATA[Development of the Network Base File System (NETBASIS), which has been under way at the University of Washington since 1974, is described.  NETBASIS, which is implemented in an interactive graphic computer environment, explicitly builds on geographic base file data to provide a general-purpose transportation network data base together with the required data manipulation and display software. In addition to the standard capabilities of data base input, editing, and retrieval provided by the host data base management system, software has been implemented to allow the user to extract geographic or functional subsets of the network (e.g., arterials  only).  This extracted network can then be abstracted to remove nonintersection nodes and thus produce an efficient network model that can be used within most existing transportation planning tools.  An interactive graphic network editor is also provided that allows the user to modify the extracted and abstracted network to reflect planning options to be analyzed.  Segment-specific transportation data, such as transit lines, speed, and capacity, are added to the data base by a FROM-ON-TO coding scheme, which significantly reduces costly and error-prone intermediate data coding.  Use of a commercial data based management system with a FORTRAN interface has resulted in significant cost savings in the development of the data input, editing, and retrieval software required to allow users easy access to the network data and to provide maximum flexibility of base file content and structure for adaptation to changing user requirements.  /Author/]]></description>
      <pubDate>Wed, 11 Jul 1979 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/87710</guid>
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