Simulation of freeway on-ramp merging capacity with automated vehicles

Name: Tanat Vanichpipat

Organization : Chulalongkorn University. Faculty of Engineering

Email : 1tanatvanichpipat@gmail.com

Name: Lalita Kitirach

Organization : Chulalongkorn University. Faculty of Engineering

Email : lalitakitirach@gmail.com

Name: Jittichai Rudjanakanoknad

Organization : Chulalongkorn University. Faculty of Engineering

Email : jittichai@hotmail.com

Name: Nanicha Subhanka

Organization : Ministry of Transport. Department of Highways

Email : nanichasubhanka@hotmail.com

LCSH: Automated vehicles

LCSH: Automatic control

LCSH: Communication and traffic -- Models and modelmaking

Abstract: This manuscript relates to the effect of automated vehicles towards merging capacity through the use of computer simulation to understand how connection length on the highway entrance ramp impacts the traffic flow and how market penetration of each type of automated vehicle impacts the traffic flow in that merging scenarios. The study investigates on both two-lane freeways merging with a one-lane on-ramp and one-lane freeway merging with a one-lane on-ramp. VISSIM Microsimulation Software was applied in this research. The study includes 770 simulation scenarios. Each scenario comes from 10 random seeds. Each random seed presents an hour simulation time when the traffic is saturated. The findings show that in two-lane freeway merging with a one-lane on-ramp, the optimal connection length would be around 315 meters. However, when one-lane freeway lane merging with a one-lane on-ramp, the length of connection lane has no significant effect on the merging capacity. In addition, the results prove that the increment of automated vehicle percentage in traffic streams could improve merging capacity. Finally, this research provides equations and diagrams which would aid in further merging capacity analysis and computation

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2562

Modified: 2022-07-01

Issued: 2022-07-01

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BibliograpyCitation : ใน มหาวิทยาลัยสารคาม คณะวิศวกรรมศาสตร์ สาขาวิศวกรรมโยธา. การประชุมวิชาการวิศวกรรมโยธาแห่งชาติ ครั้งที่ 24 (NCCE 24) (TRL014) อุดรธานี : มหาวิทยาลัยสารคาม

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