An analysis of intersection traffic signal warrants

This paper presents an analysis of the existing traffic signalwarrants and the cmresponding threshold values. The analysisof unsignalized intersections was conducted according to theanalytical procedures of Highway capacity manual. Traffic signaloptimization was conducted using Synchro software. The...

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Main Authors: Dražen Cvitanić, Deana Breški
Format: Article
Language:English
Published: University of Zagreb, Faculty of Transport and Traffic Sciences 2005-01-01
Series:Promet (Zagreb)
Subjects:
Online Access:http://www.fpz.unizg.hr/traffic/index.php/PROMTT/article/view/616
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author Dražen Cvitanić
Deana Breški
author_facet Dražen Cvitanić
Deana Breški
author_sort Dražen Cvitanić
collection DOAJ
description This paper presents an analysis of the existing traffic signalwarrants and the cmresponding threshold values. The analysisof unsignalized intersections was conducted according to theanalytical procedures of Highway capacity manual. Traffic signaloptimization was conducted using Synchro software. Theresults showed that the cun-ent wan·ants are not sufficiently reliablein some situations and can be misleading in the process ofselecting the intersection control type. There are three majorreasons for insufficient reliability of the existing wan·ants. First,they are p1imarily based on total major and subject minor streetvolumes, so they do not take into account all the possible combinationsof volume distribution and composition of the turningmaneuvers. Second, they do not make difference betweenthree-leg T intersections and four-leg intersections, and finallythey are based only on an overall system operation without regm·ding the functionality of a specific approach.
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spelling doaj.art-d47e92ecae1a4b48bfb3e3ad6508f17b2022-12-21T19:23:55ZengUniversity of Zagreb, Faculty of Transport and Traffic SciencesPromet (Zagreb)0353-53201848-40692005-01-01171253210.7307/ptt.v17i1.616474An analysis of intersection traffic signal warrantsDražen CvitanićDeana BreškiThis paper presents an analysis of the existing traffic signalwarrants and the cmresponding threshold values. The analysisof unsignalized intersections was conducted according to theanalytical procedures of Highway capacity manual. Traffic signaloptimization was conducted using Synchro software. Theresults showed that the cun-ent wan·ants are not sufficiently reliablein some situations and can be misleading in the process ofselecting the intersection control type. There are three majorreasons for insufficient reliability of the existing wan·ants. First,they are p1imarily based on total major and subject minor streetvolumes, so they do not take into account all the possible combinationsof volume distribution and composition of the turningmaneuvers. Second, they do not make difference betweenthree-leg T intersections and four-leg intersections, and finallythey are based only on an overall system operation without regm·ding the functionality of a specific approach.http://www.fpz.unizg.hr/traffic/index.php/PROMTT/article/view/616traffic signal wanantsintersection delaytraffic volume distributionfour-leg intersectionsT intersections
spellingShingle Dražen Cvitanić
Deana Breški
An analysis of intersection traffic signal warrants
Promet (Zagreb)
traffic signal wanants
intersection delay
traffic volume distribution
four-leg intersections
T intersections
title An analysis of intersection traffic signal warrants
title_full An analysis of intersection traffic signal warrants
title_fullStr An analysis of intersection traffic signal warrants
title_full_unstemmed An analysis of intersection traffic signal warrants
title_short An analysis of intersection traffic signal warrants
title_sort analysis of intersection traffic signal warrants
topic traffic signal wanants
intersection delay
traffic volume distribution
four-leg intersections
T intersections
url http://www.fpz.unizg.hr/traffic/index.php/PROMTT/article/view/616
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