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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>THE "ROCK": THE ROLE OF THE PRESS IN BRINGING ABOUT CHANGE IN AIRCRAFT ACCIDENT POLICY</title>
      <link>https://trid.trb.org/View/651100</link>
      <description><![CDATA[From 1926 to 1938, the Aeronautics Branch, forerunner of the Federal Aviation Administration (FAA), had bee charged with aircraft accident investigation. While the Branch had been investigating accidents since its inception, it had, early in its tenure, put into place a policy making its findings secret. Media and political pressure began to mount in late 1928 over its policy of non-disclosure and the debate brought pressure to bear on the young Aeronautics Branch to reverse its policy and make its findings public. The focusing event for the Branch's policy reversal was the death of Knute Rockne, the famous Notre Dame University football coach, in a Transcontinental and Western Airways (TWA) airliner on March 31, 1931. This paper will examine the role of print media in bringing about a significant and lasting change in aircraft accident public-disclosure policy.]]></description>
      <pubDate>Mon, 27 Mar 2000 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/651100</guid>
    </item>
    <item>
      <title>ASPHALT PLANT CONTROL INCLUDING STRIP CHART RECORDING AND PRINTED DELIVERY TICKETS</title>
      <link>https://trid.trb.org/View/108658</link>
      <description><![CDATA[IN THE STRICTEST MEANING OF THE WORD, TODAYS MODERN ASPHALT PLANTS HAVE VERY LITTLE AUTOMATION OR SELF CORRECTION AS A TRUE DEFINITION IMPLIES.  PROBABLY THE CLOSEST ARE THE AUTOMATIC TEMPERATURE DETECTING, RECORDING AND CONTROL SYSTEMS USED DEPENDING UPON THE CONFIGURATION OF THE PLANT. THEY BRING INTO PLAY THE PRINCIPLES OF FEEDBACK AND SELF CORRECTION. /NAPA/]]></description>
      <pubDate>Tue, 01 Feb 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/108658</guid>
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      <title>EVENT RECORDER AS A TURNING MOVEMENT INDICATOR</title>
      <link>https://trid.trb.org/View/84439</link>
      <description><![CDATA[This report describes the conversion of a Transportation Data Corporation Traffic Speed Recorder to an Intersection Vehicle Turning Movement Recorder.  It is particularly valuable for recording turning movements at an intersection as well as vehicle type and headway classifications.  It contains four channels and separate control panels, each of which serves a different direction of traffic.  Thus, four operators can service a high density intersection.  The computer decodes the data from the cassette and classifies it quickly saving the several days of manual classification. The program written to analyze the data from the cassette can print out the intersection route numbers, accident node number, all turning movements, vehicle type and in-state or out-of-state information.  Time of event to 1 msec. is also recorded.  The program can provide printouts of daily summaries of all events in a few minutes.  If headway studies are desired, the program can provide a complete car by car printout of all data required.  Time required to dump the cassette to disc is approximately two minutes; summary printouts in a few minutes, and car by car printouts in 30 minutes to one hour depending of traffic density.  Technical details of the recorder, recording vehicle, recording process, and printout are included.]]></description>
      <pubDate>Sat, 29 Sep 1979 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/84439</guid>
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      <title>TRASTER 77: MATRA ANALYTICAL STEREOPLOTTER</title>
      <link>https://trid.trb.org/View/60754</link>
      <description><![CDATA[A fundamental feature of Traster 77, an analytical stereoplotter manufactured by Matra Optics, is the system for viewing stereomodels by optical projection in polarized light on a screen.  This arrangement permits complete operator head freedom and eliminates visual fatigue caused by the difference in accommodation between infinity of binocular systems and the finite observation distance on the drawing table, or any other document.  A thorough man/machine interface survey, combined with research of forms, has resulted in the very unique Traster 77 configuration for an analytical stereoplotter.  The Traster 77 gives the operator working comfort which he has never experienced on any existing instrument.  It is pleasing and modern in appearance and the human engineering design has resulted in a most natural and rational arrangement of controls.  Traster 77 benefits from all advantages of analytic instruments: ease and speed in orienting the stereomodel, operating reliability due to computer interface with the operator, and increased accuracy of results. Traster 77 may be used for graphical plotting, digital readout and storage, and aero triangulation.  A built-in oporthophotos at 1:1 magnification with compensation of transverse slopes based on a numerical terrain model. /Author/]]></description>
      <pubDate>Thu, 16 Feb 1978 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/60754</guid>
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      <title>THE FIRST DIGITAL AUTOMOTIVE DIAGNOSTIC SYSTEM--AUTOSENSE</title>
      <link>https://trid.trb.org/View/62975</link>
      <description><![CDATA[The Autosense Computerized Digital Diagnostic System is designed to assist mechanics, at all skill levels, test and diagnose today's newest vehicles.  The System can run individual tests, and thus be used by the mechanics as a tool, or automatically step the mechanic through a sequence of tests to diagnose a specific vehicle problem, totally check a vehicle or its individual systems.  The System compares actual vehicle performance to manufacturer's vehicle specifications and provides the mechanic with recommended repairs.  The system also provides the mechanic and the customer with a hard-copy print-out of all tests performed, the actual vehicle specifications and all recommended repairs.  This paper describes the Autosense Computerized Digital Diagnostic System.  /GMRL/]]></description>
      <pubDate>Tue, 31 May 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/62975</guid>
    </item>
    <item>
      <title>ACCIDENT RECORDING AND INVESTIGATION IN A HIGHWAY AUTHORITY (CUMBERLAND COUNTY COUNCIL)</title>
      <link>https://trid.trb.org/View/24677</link>
      <description><![CDATA[THE AUTHOR DESCRIBES THE SYSTEM OF ACCIDENT RECORDING THAT IS BEING USED IN CUMBERLAND. THIS WAS DESIGNED TO HANDLE THE LARGE NUMBER OF DATA THAT NEED TO BE COLLECTED AND TO BE COMPATIBLE WITH THE OTHER FOUR COUNTIES AND COUNTY BOROUGHS IN THE AUTHORITY OF CUMBRIA. MOST OF THE DATA ARE PROVIDED BY THE POLICE, WHO SUPPLY THEM ON BASIC FORMS WHICH CAN BE USED WITH THE COMPUTER WITH A MINIMUM OF ADDITIONAL CODING. ALTHOUGH MOST OF THE RESULTS ARE HANDLED BY THE COMPUTER, THE SITE OF EACH ACCIDENT IS RECORDED BY HAND ON A 1/2-IN. MAP. DETAILS ARE GIVEN OF THE PRINT-OUTS THAT CAN BE OBTAINED; IT IS STATED THAT THE BEST SYSTEM IS ONE GIVING REGULAR PRINT-OUTS OF A MORE GENERAL NATURE SUPPORTED BY MORE DETAILED ANALYSES OF PARTICULAR PROBLEMS. BLACK-SPOT ANALYSIS, DOE'S MERIT RATING AND STREET LIGHTING ARE BRIEFLY DISCUSSED. THIS IS TOGETHER WITH THE PROBLEMS OF ACCIDENT INVESTIGATION, AND FACTORS SUCH AS TYPE OF VEHICLE, ROAD SIGNS AND DRIVER BEHAVIOUR. RELATED INFORMATION SUCH AS TRAFFIC FLOW, CONDITION OF THE ROAD , THE COST OF WORK AND THE PROPOSED PROGRAMME OF WORKS ARE ALSO EXAMINED. THE AUTHOR CONCLUDES BY DISCUSSING LONG TERM DEVELOPMENTS AND GIVING A LIST OF THE POINTS THAT NEED TO BE CONSIDERED WHEN ACCIDENT INVESTIGATION SYSTEM IS BEIN SET UP.]]></description>
      <pubDate>Fri, 08 Apr 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/24677</guid>
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    <item>
      <title>COMPUTER SURVEY OF PASSING ZONES PUTS PRECISION IN 1500-MILES STRIPING JOB</title>
      <link>https://trid.trb.org/View/45392</link>
      <description><![CDATA[The use is described of computer technology coupled with peripheral instruments to provide accurate determinations of passing/no passing zones.  The computer is programmed to construct a 2-dimension profile analysis of the various curves along the entire length of an established line of sight distance equivalent to the 85th percentile of design speed.  As the vehicle travels the highway, the system computes the various equations for placement of zones in real time and provides computer printout permanent records of all zone locations.  Computer no passing zone information is transmitted directly to a zone code paint vehicle, where the information is automatically processed by a paint control systems for highway placement of Mini-Code Patterns.  The processing of taped information to provide straight line maps and a composite graphic presentation of the highway is described.]]></description>
      <pubDate>Wed, 23 Jun 1976 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/45392</guid>
    </item>
    <item>
      <title>AUTOMATED CONSTRUCTION PROGRESS REPORT AND PAYMENT SYSTEM</title>
      <link>https://trid.trb.org/View/36618</link>
      <description><![CDATA[The Automated Construction Payment System, which is initiated after the award of a contract, was designed to expediate payment for work accomplished in the field by the contractor. The Automated Progress Report which was designed to report construction progress utilizes data from the bar chart, distribution of contract time, and the District Engineers project payment estimate, to report detailed progress data for each project and each controlling operation within a project as part of the estimate printout. In addition, a monthly computer report summarizes the data for all projects in a form convenient for management's use in monitoring the overall progress of the projects and flagging those projects behind schedule. Figures are included which illustrate an example of the printout sheet that will be included with each current estimate printout for each project, and an example of a sheet from a monthly printout of the Status of Construction Contract Projects which is distributed to all districts.]]></description>
      <pubDate>Fri, 14 May 1976 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/36618</guid>
    </item>
    <item>
      <title>FURTHER STUDIES OF METHODS FOR REDUCING COMMUNITY NOISE AROUND AIRPORTS</title>
      <link>https://trid.trb.org/View/30462</link>
      <description><![CDATA[A simplified method of analysis was used in which all flights at a "simulated" airport were assumed to operate from one runway in a single direction. For this simulated airport, contours of noise exposure forecast were obtained and evaluated. A flight schedule of the simulated airport which is representative of the 23 major U. S. airports was used. The effect of banning night-time operations by four-engine, narrow-body aircraft in combination with other noise reduction options was studied. The reductions in noise which would occur of two- and three-engine, narrow-body aircraft equipped with a refanned engine was examined. A detailed comparison of the effects of engine cutback on takeoff versus the effects of retrofitting quiet nacelles for narrow-body aircraft was also examined. A method of presenting the effects of various noise reduction options was treated. (Author)]]></description>
      <pubDate>Wed, 04 Feb 1976 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/30462</guid>
    </item>
    <item>
      <title>STATE OF WASHINGTON REPORTING SYSTEM</title>
      <link>https://trid.trb.org/View/110893</link>
      <description><![CDATA[BASICALLY THE WASHINGTON REPORTING SYSTEM INVOLVED THE DEVELOPMENT OF TIME STANDARDS, QUALITY STANDARDS, AN INVENTORY OF THE SYSTEM, PREPARATION OF MINOR JOB NUMBER; (2) A MAINTENANCE YEARLY PLANNING SHEETS; OF THIS IS BASED ON AN ANNUAL WORK PLAN. IN THIS REPORT, CHARTS AND TABLES ARE PRESENTED AND DISCUSSED SHOWING: (1) A FIELD WORKSHEET WITH MAJOR WORK CATEGORIES THAT IS FURTHER SUBDIVIDED INTO OPERATION NUMBER; (2) A MAINTENANCE YEARLY PLANNING SHEETS; (3) A COMPUTER PRINTOUT SUMMARY FOR CONTROL SECTION; (4) A COMPUTER PRINTOUT SUMMARY FOR DIVISION, DISTRICT, AND STATE; (5) AN ACCOMPLISHMENT REPORT FOR DIVISION; AND (6) AN ACCOMPLISHMENT REPORT FOR THE WHOLE STATE. THE BUDGET IS REVIEWED BRIEFLY.]]></description>
      <pubDate>Tue, 07 Mar 1972 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/110893</guid>
    </item>
    <item>
      <title>RADIOGRAPHY USING DIRECT PRINT RECORDING OSCILLOGRAPH PAPERS</title>
      <link>https://trid.trb.org/View/110384</link>
      <description><![CDATA[DIRECT PRINT RECORDING OSCILLOGRAPH PAPER HAS BEEN EVALUATED OVER AN X-RAY ENERGY RANGE FROM 50 TO 275 KVCP TO DETERMINE ITS POTENTIAL AS A REPLACEMENT FOR X-RAY FILM IN CERTAIN APPLICATIONS. TECHNIQUE CURVES HAVE BEEN DETERMINED OVER THIS ENERGY RANGE FOR THREE MATERIALS: ALUMINUM, MAGNESIUM, AND TITANIUM. RESOLUTION HAS BEEN MEASURED FOR ALUMINUM AND MAGNESIUM USING PENETRAMETERS. THE DATA OBTAINED MAY BE USED TO ESTABLISH OPTIMUM EXPOSURE CONDITIONS FOR LOCATING HIGH CONTRAST OBJECTS IN AIRCRAFT STRUCTURES. THIS INCLUDES WATER ENTRAPPED IN HONEYCOMB, AIRCRAFT CABLES, AND HYDRAULIC LINES, AND HIDDEN FOREIGN OBJECTS. THE USE OF THESE PAPERS FOR THESE APPLICATIONS WOULD ELIMINATE THE NEED FOR COSTLY X-RAY FILM. IN ADDITION, THE PAPERS CAN BE DEVELOPED BY AMBIENT ROOM LIGHT OR SUNLIGHT, THEREBY CONTRIBUTING TO FURTHER COST REDUCTION BY ELIMINATING THE CHEMICAL DEVELOPING AND HANDLING PROCESS. /AUTHOR/]]></description>
      <pubDate>Sun, 25 Apr 1971 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/110384</guid>
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