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Review on the Main Characteristics of Freeway Merging Section

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Proceedings of AWAM International Conference on Civil Engineering 2022 - Volume 3 (AICCE 2022)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 386))

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Abstract

The merging section is considered an essential part of the freeway segment, and it is one of the causes of traffic congestion along the freeway. This study reviews the main characteristics of merging sections and the methods to reduce traffic congestion at the merging section. Several significant factors affecting the merging section were identified such as freeway capacity, length of merging section, speed, traffic volume, and traffic composition. The effect of these factors has been thoroughly reviewed in this study to investigate their influences on traffic operations at merging sections. The effectiveness of ramp metering (RM) and gap metering (GM) was also reviewed in this study. The results indicated a significant impact of some traffic characteristics at merging sections, such as the lane-changing behavior, heavy vehicles, and RM effect. Combined with RM, the gap metering mechanism can reduce the overall delay at merging sections up to 27% compared to RM alone.

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Author information

Authors and Affiliations

  1. School of Civil Engineering, Universiti Sains Malaysia, Engineering Campus, 14300, Nibong Tebal, Penang, Malaysia

    Wafaa Kh. Luaibi & Lee Vien Leong

  2. Civil Engineering Department, University of Kufa, Kufa, Iraq

    Hamid Athab Al-Jameel

Authors
  1. Wafaa Kh. Luaibi
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  2. Lee Vien Leong
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  3. Hamid Athab Al-Jameel
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Corresponding author

Correspondence to Wafaa Kh. Luaibi .

Editor information

Editors and Affiliations

  1. School of Civil Engineering, Universiti Sains Malaysia, Nibong Tebal, Pulau Pinang, Malaysia

    Nuridah Sabtu

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Luaibi, W.K., Leong, L.V., Al-Jameel, H.A. (2024). Review on the Main Characteristics of Freeway Merging Section. In: Sabtu, N. (eds) Proceedings of AWAM International Conference on Civil Engineering 2022 - Volume 3. AICCE 2022. Lecture Notes in Civil Engineering, vol 386. Springer, Singapore. https://doi.org/10.1007/978-981-99-6026-2_22

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  • DOI: https://doi.org/10.1007/978-981-99-6026-2_22

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-99-6025-5

  • Online ISBN: 978-981-99-6026-2

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