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    <title>Transport Research International Documentation (TRID)</title>
    <link>https://trid.trb.org/</link>
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    <language>en-us</language>
    <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>PUBLIC GOOD RELATIVE TO RIGHT-TURN-ON-RED IN SOUTH CAROLINA AND ALABAMA</title>
      <link>https://trid.trb.org/View/203116</link>
      <description><![CDATA[The effects of South Carolina's and Alabama's right-turn-on-red (RTOR) laws on highway safety, fuel consumption, and air pollution were investigated.  Accidents at signalized intersections involving right-turning vehicles (RT) before and after the passage of RTOR laws in both states were studied and compared with accidents at signalized intersections that did not involve vehicles making a right turn (NRT).  Data for two years before and three years after the effective date of South Carolina's RTOR law were analyzed; the Alabama data included three years before and five years after.  The findings of this study indicated that the rate of change of RT property damage accidents in South Carolina was significantly higher for RT property damage accidents in the after after period than the corresponding change for NRT accidents.  The rate of change of RT property damage accidents in Alabama was not found to be significantly higher for RT accidents in the after period than the corresponding change for NRT accidents.  The findings of this study also indicated that there was no significant difference in the rates of change of RT fatality or injury accidents when compared with the corresponding change for NRT fatality or injury accidents in both South Carolina and Alabama.  This study could find no evidence that pedestrian accidents in either state increased as a result of RTOR operations.  A further analysis was performed on fuel and travel time savings resulting from RTOR operations.  Based on the findings of this study and the benefits estimated, no changes are warranted in either Alabama's or South Carolina's RTOR law, and the laws should remain in effect.  (Author)]]></description>
      <pubDate>Wed, 30 May 1984 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/203116</guid>
    </item>
    <item>
      <title>LINEAR INDUCTION MOTOR RESEARCH VEHICLE. SPEED UPGRADING TESTS</title>
      <link>https://trid.trb.org/View/129376</link>
      <description><![CDATA[A SERIES OF LINEAR INDUCTION MOTOR RESEARCH VEHICLE (LIMRV) RUNS WERE CONDUCTED AT THE HIGH SPEED GROUND TEST CENTER ON THE 6.2-MILE TEST TRACK. THESE RUNS WERE MADE PRIMARILY TO EVALUATE THE DYNAMIC PERFORMANCE OF THE VEHICLE AT SPEEDS UP TO THE MAXIMUM ACHIEVED, 187.9 MPH. THE VEHICLE WAS EQUIPPED WITH INSTRUMENTATION THAT MEASURED ACCELERATIONS AND DISPLACEMENTS. OF PARTICULAR INTEREST WERE THE MOTION OF THE TRUCKS AND SUSPENSION, AND THE LIM GUIDANCE SYSTEM. THE INITIAL TRUCK DYNAMICS DATA EVALUATION INDICATES AN INCREASE IN CONICITY RESULTING FROM A NARROW BAND OF WHEEL TREADWEAR. SINCE THE NEXT SERIES OF TESTS WILL BE CONDUCTED WITH NEW WHEELS, THE PROBLEM AT LEAST INITIALLY WILL NOT BE SIGNIFICANT. OTHER TESTS RUN DURING THIS PROGRAM PROVIDED ACCELERATION AND BRAKING PROFILES. ALSO, SOME LIM ELECTRICAL PERFORMANCE DATA WAS RECORDED AND EVALUATED. (AUTHOR)]]></description>
      <pubDate>Fri, 24 May 1974 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/129376</guid>
    </item>
    <item>
      <title>A CONCEPTUAL APPROACH TO RURAL LAND USE - TRANSPORTATION MODELLING IN THE TORONTO REGION</title>
      <link>https://trid.trb.org/View/89814</link>
      <description><![CDATA[THE CHANGING LAND-USE PATTERNS IN THE RURAL TORONTO REGION IS EXAMINED AT A SERIES OF MICRO/MACRO SCALES. THIS REPORT RECORDS THE CHANGING RESEARCH STRATEGIES IN THE FACE OF THE PROBLEMS ENCOUNTERED IN THE STUDY OF A HIGHLY COMPLEX AND RAPIDLY CHANGING REGIONAL SYSTEM RATHER THAN THE OUTPUT OF A CLOSELY DEFINED RESEARCH PROJECT. IN A DISCUSSION OF THE PROBLEM SETTING BOTH IN GENERAL AND SPECIFIC TERMS, PREVIOUS RESEARCH IS DETAILED AND A SELECTED BIBLIOGRAPHY WHICH COVERS THE MAJOR THEMES AND METHODOLOGICAL APPROACHES IN RESEARCH IS INCLUDED IN AN APPENDIX. REGIONAL PLANNING CONCEPTS CURRENTLY APPLIED TO TORONTO AND ITS HINTERLAND ARE OUTLINED, AND REGIONAL POLICY AND ITS IMPLICATIONS FOR RURAL AREAS IS SUMMARIZED. AN INCREMENTAL DESIGN WHICH USES TWO MAIN THEMES (A SYSTEMS SIMULATION APPROACH AND MICRO/MACRO STUDIES OF LAND USER CHARACTERISTICS AND DECISIONS) TO PROBE INTO DIFFERENT ASPECTS OF THE PROBLEM OF METROPOLITAN RURAL SYSTEMS WAS DEVELOPED. IN THE SYSTEMS SIMULATION APPROACH, A PROTOTYPE MODEL PREDICTS THE DISTRIBUTION OF DIFFERENT LAND USE TRANSACTIONS BY CALCULATING CHANGES IN THE AVERAGE DEMANDS OF EACH OF TEN CLASSES OF LAND USERS. AN APPENDIX DISCUSSES PROBLEMS THAT HAVE ARISEN IN THE USE OF THE MODEL. A CONCEPTUAL MODEL WHICH DEFINES THREE GENERAL FORCES DETERMINING THE NATURE OF THE ENVIRONMENT OF CHOICE WITHIN WHICH LAND TRANSFER DECISIONS ARE MADE IS PRESENTED. MACRO RESEARCH WICH FOCUSES ON TOTAL SYSTEMS OPERATION WITH THE COMPONENTS IN THE FORM OF AGGREGATE SECTORS AND MICRO RESEARCH WHICH PROVIDES AN EXPERIMENTAL BASIS FOR TESTING MACRO ASSUMPTIONS ARE DISCUSSED IN DETAIL. PUBLIC POLICY ORIENTATION AND PROJECT ASPECTS WHICH INTERLOCK WITH ON-GOING POLICY DEVELOPMENT ARE DESCRIBED. THREE LAND-USE STUDIES (FOCUSING ON GENERAL DISTRIBUTIONAL TENDENCIES, CHANGING LAND OWNERSHIP, AND SURVEY OF LANDOWNERS) ARE PRESENTED AND A PRELIMINARY AIRPORT ROAD STUDY IS REPORTED. THIS LONG-TERM STUDY OF METROPOLITAN RURAL AREAS IS BASED ON A SERIES OF RESEARCH FOCI, THE FIRST OF WHICH IS THE DECISION-MAKER AND DECISION-MAKING PROCESS. THE STRATEGY OF USING A SIMULATION MODEL, SURVEY PROBES INTO VARIOUS ASPECTS OF THE DECISION ENVIRONMENT, METHODOLOGICAL RESPONSES, THE SOCAIL/ BEHAVIORAL APPROACH AND FINALLY THE POLICY MAKING PROCESS ARE THE OTHER ASPECTS OF THIS ON-GOING PROCESS.]]></description>
      <pubDate>Wed, 24 Oct 1973 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/89814</guid>
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    <item>
      <title>THE GEOMETRIC STRUCTURE OF AN OPTIMAL TRANSPORT NETWORK IN A LIMITED CITY-HINTERLAND CASE</title>
      <link>https://trid.trb.org/View/115267</link>
      <description><![CDATA[WITHIN AN EXPLORATORY CONTEXT, A THEORETICAL FRAMEWORK FOR DETERMINING THE "OPTIMAL NETWORK" DESIGN FOR A GIVEN, LIMITED AREA IS DEMONSTRATED. THE TERM "OPTIMAL NETWORK" AS USED HERE REFERS TO THE MINMUM TOTAL FLOW COST NETWORK FOR THE GIVEN AREA, WHERE TRAFFIC FLOWS MAY ORIGINATE FROM ANY POINT WITHIN THE AREA. A LIMITED CITY-HINTERLAND CASE HAS BEEN SELECTED FOR ANALYSIS. ESSENTIAL COMPONENTS OF THIS REGIONAL LEVEL ANALYSIS COMPRISE A WELL-DEFINED RECTANGULAR AREA, A FOCAL POINT LOCATED CENTRALLY AT ONE EDGE OF THIS RECTANGLE, AND A TRUNK ROUTE PASSING THROUGH THROUGH THE POINT AND BISECTING THE RECTANGULAR HINTERLAND. THE PARAMETERS ARE: THE WIDTH AND THE BREADTH OF THE RECTANGLE, THE OPTIMUM ANGLE AT WHICH THE TRAFFIC FLOW THAT IS OFF THE NETWORK ENTERS THE NETWORK, THE SPACING INTERVAL BETWEEN THE PARALLEL SECONDARY ROUTES BRANCHING OUT FROM THE MAIN TRUNK LINE, AND THE ANGLE BETWEEN THE SECONDARY ROUTES AND THE MAIN LINE. IF ALL ALTERNATIVE GEOMETRIC NETWORKS COULD BE DEFINED BY SIMILAR SETS OF PARAMETERS, A GENERAL METHOD OF ANALYSIS COULD BE DEVELOPED. /AUTHOR/]]></description>
      <pubDate>Tue, 29 Jun 1971 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/115267</guid>
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