{"title":"WARRANTS FOR LEFT-TURN LANES","authors":"K. Agent","doi":"10.13023/KTC.RR.1982.19","DOIUrl":null,"url":null,"abstract":"Most states use accident, traffic-volume, or delay data as guidelines for installing left-turn lanes. Computer simulation of these data compares statistics of intersections with left-turn lanes to those without. The study found that special lanes always lead to improvement in traffic flow, but noted that all intersections cannot accommodate a special lane. The recommendations specify the accident rate, critical-volume determination, and the rate of traffice conflicts which warrant a separate left-turn lane. 10 references, 6 figures, 4 tables. (DCK)","PeriodicalId":412713,"journal":{"name":"Transportation Quarterly","volume":"107 ","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"20","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transportation Quarterly","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.13023/KTC.RR.1982.19","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 20
Abstract
Most states use accident, traffic-volume, or delay data as guidelines for installing left-turn lanes. Computer simulation of these data compares statistics of intersections with left-turn lanes to those without. The study found that special lanes always lead to improvement in traffic flow, but noted that all intersections cannot accommodate a special lane. The recommendations specify the accident rate, critical-volume determination, and the rate of traffice conflicts which warrant a separate left-turn lane. 10 references, 6 figures, 4 tables. (DCK)
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