Analysis the performance of unsignalized intersection based on gap acceptance studies

The mam purposed of this study was to analysis the performance of unsignalized intersection based on gap acceptance study. Unsignalized intersection plays an important role in determining the capacity of road network especially in urban and suburban areas. A poorly operating unsignalized intersectio...

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Main Author:	Syafiqah, Mohamed Salleh
Format:	Undergraduates Project Papers
Language:	English
Published:	2012
Subjects:	TE Highway engineering. Roads and pavements
Online Access:	http://umpir.ump.edu.my/id/eprint/13583/ http://umpir.ump.edu.my/id/eprint/13583/ http://umpir.ump.edu.my/id/eprint/13583/1/SYAFIQAH%20MOHAMED%20SALLEH.pdf

id	ump-13583
recordtype	eprints
spelling	ump-135832016-08-29T02:06:19Z http://umpir.ump.edu.my/id/eprint/13583/ Analysis the performance of unsignalized intersection based on gap acceptance studies Syafiqah, Mohamed Salleh TE Highway engineering. Roads and pavements The mam purposed of this study was to analysis the performance of unsignalized intersection based on gap acceptance study. Unsignalized intersection plays an important role in determining the capacity of road network especially in urban and suburban areas. A poorly operating unsignalized intersection may affect a signalized network or operation of an Intelligent Transport System. The T-junction for this study was controls by stop rule or in other names is two-way stop controlled intersection (TWSC). For a TWSC intersection, the stop controlled approaches are referred to as the minor road approaches. The most important parameters affecting the capacity and performance of unsignalized intersection are the critical gap. Basically, critical gap are establish by Highway Capacity Manual. Therefore, the critical gap is difference between each intersection based on the geometry of the road, numbers of lane, and surrounding area located near the intersection. Critical gap can not be determined directly from field but data of accepted and rejected gaps can be collected and analysed. Data of gaps were collected using video camera and several equipments. Raff s method was used in determination of critical gap. In this study, critical gap was divided into three sections which is RT from major road, RT and LT from minor road. The values of critical gap vary from 2 seconds to 7 seconds. Critical gap value that was established by HCM and from field observation was input in Sidra software to analyze the performance of the intersection. Based on analysis of output produced from Sidra software, there is found output were obtained from field observation is more closed with the actual field condition. Therefore, the performance at a TWSC intersection can be determined from this analysis in terms of queue and level of services. This study can be continued in the future in order to improve the value of input parameters and also develop the analysis procedure for four leg intersection and roundabout not only for urban and suburban areas, but also for rural area. 2012 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/13583/1/SYAFIQAH%20MOHAMED%20SALLEH.pdf Syafiqah, Mohamed Salleh (2012) Analysis the performance of unsignalized intersection based on gap acceptance studies. Faculty of Civil Engineering & Earth Resources, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:76425&theme=UMP2
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TE Highway engineering. Roads and pavements
spellingShingle	TE Highway engineering. Roads and pavements Syafiqah, Mohamed Salleh Analysis the performance of unsignalized intersection based on gap acceptance studies
description	The mam purposed of this study was to analysis the performance of unsignalized intersection based on gap acceptance study. Unsignalized intersection plays an important role in determining the capacity of road network especially in urban and suburban areas. A poorly operating unsignalized intersection may affect a signalized network or operation of an Intelligent Transport System. The T-junction for this study was controls by stop rule or in other names is two-way stop controlled intersection (TWSC). For a TWSC intersection, the stop controlled approaches are referred to as the minor road approaches. The most important parameters affecting the capacity and performance of unsignalized intersection are the critical gap. Basically, critical gap are establish by Highway Capacity Manual. Therefore, the critical gap is difference between each intersection based on the geometry of the road, numbers of lane, and surrounding area located near the intersection. Critical gap can not be determined directly from field but data of accepted and rejected gaps can be collected and analysed. Data of gaps were collected using video camera and several equipments. Raff s method was used in determination of critical gap. In this study, critical gap was divided into three sections which is RT from major road, RT and LT from minor road. The values of critical gap vary from 2 seconds to 7 seconds. Critical gap value that was established by HCM and from field observation was input in Sidra software to analyze the performance of the intersection. Based on analysis of output produced from Sidra software, there is found output were obtained from field observation is more closed with the actual field condition. Therefore, the performance at a TWSC intersection can be determined from this analysis in terms of queue and level of services. This study can be continued in the future in order to improve the value of input parameters and also develop the analysis procedure for four leg intersection and roundabout not only for urban and suburban areas, but also for rural area.
format	Undergraduates Project Papers
author	Syafiqah, Mohamed Salleh
author_facet	Syafiqah, Mohamed Salleh
author_sort	Syafiqah, Mohamed Salleh
title	Analysis the performance of unsignalized intersection based on gap acceptance studies
title_short	Analysis the performance of unsignalized intersection based on gap acceptance studies
title_full	Analysis the performance of unsignalized intersection based on gap acceptance studies
title_fullStr	Analysis the performance of unsignalized intersection based on gap acceptance studies
title_full_unstemmed	Analysis the performance of unsignalized intersection based on gap acceptance studies
title_sort	analysis the performance of unsignalized intersection based on gap acceptance studies
publishDate	2012
url	http://umpir.ump.edu.my/id/eprint/13583/ http://umpir.ump.edu.my/id/eprint/13583/ http://umpir.ump.edu.my/id/eprint/13583/1/SYAFIQAH%20MOHAMED%20SALLEH.pdf
first_indexed	2023-09-18T22:16:22Z
last_indexed	2023-09-18T22:16:22Z
_version_	1777415364757422080

Analysis the performance of unsignalized intersection based on gap acceptance studies

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