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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>EVALUATION OF THE EFFECT OF THE VICTORIAN ZERO BAC LEGISLATION: JULY 1984 - DECEMBER 1985</title>
      <link>https://trid.trb.org/View/304629</link>
      <description><![CDATA[Zero BAC Legislation affecting learners, first year probationary licence holders, unlicensed and disqualified drivers was introduced on 22 May 1984.  Subsequently first year drivers reduced their driving during weekend nights when drink driving is most prevalent but their P-plate use remained unchanged at 40-60%.  The involvement in serious casualty accidents (SCAs) by all car drivers subject to the Zero BAC restriction was compared with the involvement by a group of Standard Licence Holders.  The accidents were also divided into "alcohol" and "non-alcohol" times.  To detect a 10% reduction in SCAs during "alcohol periods", approximately forty months post-legislation data would be needed.  This report contains the analysis of only 18 months data using time series methods and the results are confirmed using the traditional pre-post method.  A reduction of about 4% was found which was not statistically significant.  Time series analysis also showed no statistically significant effect when SCA data for learners plus first year probationary licence holders were compared with second and third year probationary licence holders.]]></description>
      <pubDate>Mon, 30 Apr 1990 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/304629</guid>
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      <title>AN EVALUATION OF THE EFFECTS OF LIMITED LICENSE SUSPENSION. FINAL REPORT</title>
      <link>https://trid.trb.org/View/299650</link>
      <description><![CDATA[In this study, about 13,000 drivers scheduled for group reexamination under Michigan's Probationary License Program were divided into 2 groups: one was threatened with suspension on the occurrence of another violation, while the other group was not.  Results showed that females threatened with suspenion had significantly fewer accidents, and a reduction in convictions that was close to significance. There were differences among males.  Drivers threatened with suspension were indeed suspended on the next violation, while the non-threatenedd drivers were given a hearing. Suspended males had fewer accidents and violations although the difference was of only marginal significance.  No differences appeared among females.  Suspending probationary drivers rather than sending them to a hearing would save Michigan over $500,000 in annual personnel costs without increasing accidents or subsequent convictions.]]></description>
      <pubDate>Wed, 31 Jan 1990 00:00:00 GMT</pubDate>
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      <title>PARENTAL VIEWS ON TRAFFIC SAFETY EDUCATION AND THE LICENSING OF TEENAGE DRIVERS. RESULTS OF A SURVEY OF WASHINGTON STATE PARENTS</title>
      <link>https://trid.trb.org/View/203335</link>
      <description><![CDATA[The Traffic Safety Education (TSE) unit in the Office of the State Superintendent of Public Instruction of Washington State, conducted a systematic collection of public opinions on school TSE programs.  The focus was licensing issues and teenage driving; the method was a statewide survey of the parents of newly licensed teenage drivers.  This report describes the preliminary findings from the parent survey.]]></description>
      <pubDate>Wed, 30 May 1984 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/203335</guid>
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      <title>COLORADO: MANDATORY EVALUATIONS FOR CONVICTED DRINKING DRIVERS</title>
      <link>https://trid.trb.org/View/198204</link>
      <description><![CDATA[Legislation effective on 1 October 1979 made it mandatory in Washington for the courts to consider alcohol education and treatment resources as alternatives to traditional sanctions against the abusive drinking driver.  A review is presented of the history, philosophy, responsibilities and procedures of the resulting Alcohol and Drug Driving Safety Program.  The plan, which combines early identification and intervention with a combined health/legal approach, effectively reduces recidivism. Responsibilities of the program, of the trained evaluators and of the Judicial Department are discussed.  Fees for evaluation and monitoring are collected by the courts and forwarded to the State Treasurer's Office, thus giving the alcohol treatment programs recourse for collection of past due accounts.  A probationary drivers license may be issued to those cooperating with the court sentence.  The Alcohol and Drug Abuse Division is responsible for licensing the alcohol treatment programs.  Program procedures and guidelines are described.  Defendants are classified as either a social drinker, an incipient problem drinker, or a problem drinker (criteria tabulated). Through the cooperation of the Division of Highway Safety staff and other state and local agencies, evaluators were already on staff in 22 Colorado judicial districts when the law became effective.]]></description>
      <pubDate>Fri, 30 Mar 1984 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/198204</guid>
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      <title>PROBATIONARY LICENSES AND POINTS DEMERIT SYSTEMS</title>
      <link>https://trid.trb.org/View/145347</link>
      <description><![CDATA[The characteristics of probationary licence schemes and points demerit systems are examined, and the assumptions which underlie their use are considered.  The evidence available about their effectiveness leads to the conclusion that points demerit systems are of some value when applied in conjunction with methods of driver improvement.  The value of probationary licences cannot be determined.  The effective principle in these measures appears to be one of information feedback to the offending driver, and they reflect a growing emphasis on guidance, correction and support towards the problem driver, rather than an exclusive concern with his detection and punishment. (TRRL)]]></description>
      <pubDate>Wed, 30 Jan 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/145347</guid>
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