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Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu

This paper explores the impact of various rainfall conditions on traffic flow and speed at selected location in Terengganu and Johor using data collected on two-lane highway. The study aims to quantify the effect of rainfall on average volume, capacity, mean speed, free-flow speed and speed at capac...

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Main Authors: Mashros, Nordiana, Ben Edigbe, Johnie, Hassan, Sitti Asmah, Abdul Hassan, Norhidayah, Mohd. Yunus, Nor Zurairahetty
Format: Article
Language:English
Published: Penerbit UTM 2014
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utm.my/id/eprint/53085/1/NordianaMashros2014_Impactofrainfallcondition.pdf
http://eprints.utm.my/id/eprint/53085/
http://dx.doi.org/10.11113/jt.v70.3490
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spelling my.utm.530852018-07-19T07:24:59Z http://eprints.utm.my/id/eprint/53085/ Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu Mashros, Nordiana Ben Edigbe, Johnie Hassan, Sitti Asmah Abdul Hassan, Norhidayah Mohd. Yunus, Nor Zurairahetty TA Engineering (General). Civil engineering (General) This paper explores the impact of various rainfall conditions on traffic flow and speed at selected location in Terengganu and Johor using data collected on two-lane highway. The study aims to quantify the effect of rainfall on average volume, capacity, mean speed, free-flow speed and speed at capacity. This study is important to come out with recommendation for managing traffic under rainfall condition. Traffic data were generated using automatic traffic counters for about three months during the monsoon season. Rainfall data were obtained from nearest surface rain gauge station. Detailed vehicular information logged by the counters were retrieved and processed into dry and various rainfall conditions. Only daylight traffic data have been used in this paper. The effect of rain on traffic flow and speed for each condition were then analysed separately and compared. The results indicated that average volumes shows no pronounce effect under rainfall condition compared to those under dry condition. Other parameters, however, show a decrease under rainfall condition. Capacity dropped by 2-32%, mean speed, free-flow speed and speed at capacity reduced by 3-14%, 1-14% and 3-17%, respectively. The paper recommends that findings from the study can be incorporated with variable message sign, local radio and television, and variable speed limit sign which should help traffic management to provide safer and more proactive driving experiences to the road user. The paper concluded that rainfall irrespective of their intensities have impact on traffic flow and speed except average volume. Penerbit UTM 2014 Article PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/53085/1/NordianaMashros2014_Impactofrainfallcondition.pdf Mashros, Nordiana and Ben Edigbe, Johnie and Hassan, Sitti Asmah and Abdul Hassan, Norhidayah and Mohd. Yunus, Nor Zurairahetty (2014) Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu. Jurnal Teknologi, 70 (4). pp. 65-69. ISSN 0127-9696 http://dx.doi.org/10.11113/jt.v70.3490 DOI: 10.11113/jt.v70.3490
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Mashros, Nordiana
Ben Edigbe, Johnie
Hassan, Sitti Asmah
Abdul Hassan, Norhidayah
Mohd. Yunus, Nor Zurairahetty
Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu
description This paper explores the impact of various rainfall conditions on traffic flow and speed at selected location in Terengganu and Johor using data collected on two-lane highway. The study aims to quantify the effect of rainfall on average volume, capacity, mean speed, free-flow speed and speed at capacity. This study is important to come out with recommendation for managing traffic under rainfall condition. Traffic data were generated using automatic traffic counters for about three months during the monsoon season. Rainfall data were obtained from nearest surface rain gauge station. Detailed vehicular information logged by the counters were retrieved and processed into dry and various rainfall conditions. Only daylight traffic data have been used in this paper. The effect of rain on traffic flow and speed for each condition were then analysed separately and compared. The results indicated that average volumes shows no pronounce effect under rainfall condition compared to those under dry condition. Other parameters, however, show a decrease under rainfall condition. Capacity dropped by 2-32%, mean speed, free-flow speed and speed at capacity reduced by 3-14%, 1-14% and 3-17%, respectively. The paper recommends that findings from the study can be incorporated with variable message sign, local radio and television, and variable speed limit sign which should help traffic management to provide safer and more proactive driving experiences to the road user. The paper concluded that rainfall irrespective of their intensities have impact on traffic flow and speed except average volume.
format Article
author Mashros, Nordiana
Ben Edigbe, Johnie
Hassan, Sitti Asmah
Abdul Hassan, Norhidayah
Mohd. Yunus, Nor Zurairahetty
author_facet Mashros, Nordiana
Ben Edigbe, Johnie
Hassan, Sitti Asmah
Abdul Hassan, Norhidayah
Mohd. Yunus, Nor Zurairahetty
author_sort Mashros, Nordiana
title Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu
title_short Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu
title_full Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu
title_fullStr Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu
title_full_unstemmed Impact of rainfall condition on traffic flow and speed: a case study in Johor and Terengganu
title_sort impact of rainfall condition on traffic flow and speed: a case study in johor and terengganu
publisher Penerbit UTM
publishDate 2014
url http://eprints.utm.my/id/eprint/53085/1/NordianaMashros2014_Impactofrainfallcondition.pdf
http://eprints.utm.my/id/eprint/53085/
http://dx.doi.org/10.11113/jt.v70.3490
_version_ 1643653299746897920
score 13.211869

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