{"title":"GUIDELINES FOR THE USE OF PROTECTED/PERMISSIVE LEFT-TURN PHASING","authors":"K. Agent","doi":"10.13023/KTC.RR.1985.19","DOIUrl":null,"url":null,"abstract":"A study is reported which attempted to develop guidelines to aid traffic engineers in deciding whether permissive left-turn phasing is appropriate for use at a given location. A literature review was made, a survey of highway district traffic engineers was conducted to locate intersections with permissive phasing, and before-and-after accident data were collected. The results are given of the inventory and the accident analysis, and recommended guidelines are presented. It is noted that protected/permissive is the preferable method of left-turn phasing because of savings in time compared with protected-only phasing. However, there is an associated increase in accident potential, and conditions under which it should not be used are listed.","PeriodicalId":54913,"journal":{"name":"Ite Journal-Institute of Transportation Engineers","volume":"38 1","pages":"37-42"},"PeriodicalIF":0.3000,"publicationDate":"1985-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"44","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ite Journal-Institute of Transportation Engineers","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.13023/KTC.RR.1985.19","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, CIVIL","Score":null,"Total":0}
引用次数: 44
Abstract
A study is reported which attempted to develop guidelines to aid traffic engineers in deciding whether permissive left-turn phasing is appropriate for use at a given location. A literature review was made, a survey of highway district traffic engineers was conducted to locate intersections with permissive phasing, and before-and-after accident data were collected. The results are given of the inventory and the accident analysis, and recommended guidelines are presented. It is noted that protected/permissive is the preferable method of left-turn phasing because of savings in time compared with protected-only phasing. However, there is an associated increase in accident potential, and conditions under which it should not be used are listed.
期刊介绍：
ITE Journal is published monthly by the Institute of Transportation Engineers. The Journal is written by and for transportation engineers, transportation planners and others responsible for the safe and efficient movement of people and goods on our surface transportation systems.
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