Members

Laboratory members (as of April, 2025)

Professor Name: Makoto Chikaraishi
Nationality: Japan
Research Topic: Activity and travel behavior analysis, survey design, behavioral adaptation to urban climate risks, disparity issues in developing countries, etc.
Web of Science ResearcherID; Google Scholar Citations
For details, see Publications; Lectures; Projects
Secretary Name: Misato Oku
Nationality: Japan		  
  Name: Megumi Kato
Nationality: Japan		  
PhD student Name: Reem Al Olabi
Enrollment: October 2023
Nationality: Syrian Arab Republic
Research Topic: Striking a Balance: Enhancing Survey Accuracy While Reducing Respondent Burden through Semi-Supervised Mode Detection
  Name: Azis Hakim Sjafruddin
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Optimizing Public Transit Network with Feeder System by Considering The Impact of Joint Activities
Master student Name: Vu Dang Ngoc Linh
Enrollment: October 2023
Nationality: Vietnam
Research Topic: Analysis, Evaluation, and Management of Risk Factors in the Management of Urban Railway Construction Projects in Vietnam
  Name: Pujie Ma
Enrollment: April 2024
Nationality: China
Research Topic: Redesigning public transportation services with personalized passenger services
  Name: Daisuke Kajiyama (梶山　大輔）
Enrollment: April 2024
Nationality: Japan
Research Topic: Semantic Enrichment of Social Networks Based on GPS Collocation Information
  Name: Nguyen Ngoc Dang Khoa
Enrollment: October 2024
Nationality: Vietnam
Research Topic: Evaluating the impacts of Transit-Oriented Development (TOD) Factors on Urban Railway Ridership to Provide Solutions for the Urban Railway System in Ho Chi Minh City
  Name: Azwan Nazamuddin
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Repositioning Ride-Hailing Vehicles for Rebalancing Supply and Demand
  Name: Hafiyyan Hilmy Fawwaz
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Investigating Joint Activity and Joint Travel Behavior with Embedded Social Network Insights from GPS Data
  Name: Khan Md Abu Saiyeem
Enrollment: October 2024
Nationality: Bangladesh
Research Topic: A Comparative Study on Demolition of Irregular Settlements in Alleviating Traffic Congestion and Mitigating Pollution in Dhaka City
  Name: Dwi Avinia Sundorna
Enrollment: October 2024
Nationality: Indonesia
Research Topic:Integrating Private Shuttle Service Into Public Bus Network
  Name:Sitty Rukmini Mokobombang
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Understanding ridesharing in improving rural worker mobility and social networks. 
  Name: Novia Ari Santi
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Assessing Road Network Resilience under Cascading Disaster Scenarios: A Case Study in Padang, Indonesia
  Name: Rini
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Willingness to Share Rides during a Tsunami Disaster: A Case Study in Banda Aceh, Indonesia
  Name: Afroze Sadia
Enrollment: October 2024
Nationality: Bangladesh
Research Topic: 
  Name: Mahamane Ousmane Meriga
Enrollment: October 2024
Nationality: Cameroon
Research Topic: 
  Name: Shouki Ichinose (一ノ瀬　翔輝)
Enrollment: April 2025
Nationality: Japan
Research Topic: 
  Name: Toshimitsu Nishikiori 
Enrollment: April 2022
Nationality: Japan
Research Topic:
  Name:Abdurrahman Habibie
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Evaluate The Government Incentives on Electric Vehicles Purchase for Smart Mobility in Indonesia
Research Student Name: Kevianwillie Handoyo
Enrollment: April 2025
Nationality: Indonesia
Research Topic: TBA
Undergrad student Name: Shiraki Keito（白木　啓人）
Enrollment: April 2025
Nationality: Japan
Research Topic: 
  Name: Kounoshin Ota（大田　光之心）
Enrollment: April 2025
Nationality: Japan
Research Topic: 
  Name: Ko Kitagawa（北川　紘宇）
Enrollment: April 2025
Nationality: Japan
Research Topic:
Internship Name: Karin Watanabe (渡邊 花梨)
Enrollment: April 2025
Nationality: Japan
Home University: National Institute of Technology (KOSEN), Kure College
  Name: Reiichiro Shimizu (清水怜一郎)
Enrollment: April 2025
Nationality: Japan
Home University: Kindai University

Former staff and students (as of October 1, 2024)

Assistant Professor Name: Varun Varghese
Nationality: India
Research topic: ICT use and travel behavior, application of advanced machine learning techniques for transport planning and management
Postdoc Researcher Name: Keishi Fujiwara (藤原　啓示)
Enrollment: April 2021 to Sep. 2021: Research student
October 2021 – September 2024 (PhD Student 
October 2024 – March 2025 (Postdoc Researcher
Nationality: Japan
Research Topic: A Study on Measurement, Modeling, and Evaluation for Urban Street Space Design Considering Both Travel and Place Functions
Publications:
1. Does response lag affect travelers’ stated preference? Evidence from a real-time stated adaptation survey
2. A Pedestrian Model Capturing Trade-Offs Between Travel and Place Functions of Urban Street Space: An Illustrative Numerical Example
3. A Study on Measurement, Modeling, and Evaluation for Urban Street Space Design Considering Both Travel and Place Functions
Research Assistant

Name: Zafirah binti Abdul Gani
Enrollment: April 2021 – March 2022 (Undergrad)
April 2022 – March 2024 (Master)
April 2024 – March 2025 (Research Assistant)
Nationality: Malaysia
Research Topic: 1. Exploring the Impacts of Autonomous Vehicle on Pedestrian Behavior Using Camera Data (Undergrad)
2.Modelling Conflicts Among Multiple Travel Modes on Streets: A Behavior Modelling Approach (Master) 
3. Multiple Travel Modes Model (Research Assistant)
Researcher, PhD and Master student

Name: Nur Diana Safitri
Enrollment: October 2018 – September 2020 (Master)                                 
October 2020 – September 2023 (PhD)
October 2023 – August 2024 (Researcher)
Nationality: Indonesia
Research Topic: The Impacts of Transport Network Disruptions on Travel Demand: A Case of July 2018 Heavy Rain Disaster in Hiroshima, Japan
Awards:
1. The Excellent Master Thesis Awards (the Second Place of Excellence)
2. EASTS 2021: Yasoshima Yoshinosuke Prize (Nur Diana Safitri, Makoto Chikaraishi: Impact of Transport Network Disruption on Travel Demand: A Case Study of July 2018 Heavy Rain Disaster, Japan)
3. Behavioral Modeling Summer Course: Excellent Young Researcher Award 2021
Publications:
1. Impact of transport network disruption on travel demand: A case study of the July 2018 heavy rain disaster in Japan
2. Monitoring the elasticity of travel demand with respect to changes in the transport network for better policy decisions during disasters
Researcher Name: Lichen Luo
Nationality: China
Research Topic: Development of land-use/transport integrated (LUTI) model
Enrollment: April 2023 – September 2024

PhD student Name: Maya Safira
Enrollment: April 2018 – March 2021 (Oct. 2017 to Mar. 2018: Research student)
Nationality: Indonesia
Research Topic: The Multidimensional Impacts of Multi service Transport Platform (MSTP) on Activity travel Behavior and Urban Form: A Case of Jakarta, Indonesia
Publications:
1. Toward a Comprehensive Understanding of ICT Impacts on Activity-Travel Behavior: Preliminary Results from a Two-week Smartphone-based Survey in Jakarta, Indonesia
2. Association between Facility Location Agglomeration and Car Dependency: A Case of Japanese Cities
3.  Exploring the impacts of online food delivery service on facility distribution: A case of Jakarta, Indonesia
PhD student

Name: Sansano Rodelia Labitan
Enrollment: October 2020 – September 2023
Nationality: Republic of the Philippines
Research Topic: Disaster Response Operation Considering Road Network Disruptions: An Air and Land Transportation Coordination Model
Publications:
1. Exploring Natural and Social Factors Affecting Road Disruption Patterns and the Duration of Recovery: A Case from Hiroshima, Japan
2. An Illustrative Numerical Analysis on the Optimum Location of Emergency Ports for eVTOL Aircrafts for Disaster Response and Relief Operations
Master student

Name: Motoki Takai (高井　元樹）
Enrollment: April 2022- March 2023 (Undergrad)
April 2023 – March 2025 (Master)
Nationality: Japan
Research Topic: 1. Development of New On-Campus Ridesharing Matching System and Its Feasibility Assessment (Undergrad)
2. Community Ridesharing System with Users’ Matching Preferences (Master)​
Awards:  第75回（令和5年度）土木学会中国支部研究発表会若手優秀発表者賞
Master student

Name: Anabelle Marquez
Enrollment: April 2023
Nationality: Philippines
Research Topic: Road Risk Assessment by Integrating Climate Variability in Maintaining and Improving National Roads
Master student

Name: April Ann Tigulo
Enrollment: October 2017 – September 2019
Nationality: Philippines
Research Topic: Slum Relocation or In-Situ Slum Redevelopment: What are the Impacts of Displacement?
Awards: The Excellent Master Thesis Awards (the First Place of Excellence)
Publication: Tigulo, A.A., Varghese, V., Chikaraishi, M. (2019) Analysis of Life Satisfaction in Slum Rehabilitation Housing Projects: A Decision Tree Approach, Proceedings of the 13th International Conference of Eastern Asia Society for Transportation Studies.
Master student

Name: Yvonne R. Evasco
Enrollment: October 2018 – September 2020
Nationality: Republic of the Philippines
Research Topic: Factors Influencing Compliance with Traffic Regulations
Master student

Name: Santos Johan Rose Ayopila
Enrollment: October 2018 – September 2020
Nationality: Republic of the Philippines
Research Topic: Risk and Impact of Sediment Hazard Disruption on a Road Network
Awards: The Excellent Master Thesis Awards (the First Place of Excellence)
Publications:
1. Santos, J.R., Safitri, N.D., Safira, M., Varghese, V., Chikaraishi, M. (2021) Road Network Vulnerability and City-level Characteristics: A Nationwide Comparative Analysis of Japanese Cities, Environment and Planning B:Urban Analytics and City Science (Accepted).
2. Santos, J.R., Varghese, V., Chikaraishi, M., Uchida, T. (2021) An Integrated Framework for Risk and Impact Assessment of Sediment Hazard on a Road Network, Transportation Research Record
Master student

Name: Md. Moniruzzaman
Enrollment: October 2018 – September 2020
Nationality: Bangladesh
Research Topic: In-vehicle Crowding and Price Setting for Public Transit: A Case of Dhaka MRT
Awards: The Excellent Master Thesis Awards (the Third Place of Excellence)
Master student

Name: Zusnita Meyrawati
Enrollment: October 2018 – September 2019
Nationality: Indonesia
Research Topic: GIS-Based Multi-Criteria Decision-Making Approach for Site Selection of Cross-Docking Facility in a Retail Supply Chain
Awards: The Excellent Master Thesis Awards (the Second Place of Excellence)
Master student

Name: Ali Faisal
Enrollment: October 2019 – September 2021
Nationality: Pakistan
Research Topic: Exploring the option of shared houses as an alternative evacuation destination under pandemic situation: A case from Pakistan
Master student

Name: Silvia Puspitasari
Enrollment: October 2019 – September 2020
Nationality: Indonesia
Research Topic: Exploring Heterogeneous Travel Behavior Responses to Congestion Pricing with PP-SP Survey Data: A Case from Japan
Master and undergrad student

Name: Takahiro Ota (大田　高滉)
Enrollment: April 2019 – March 2020 (Undergrad)
April 2020 – March 2022 (Master)
Nationality: Japan
Research Topic: Model analysis on tour patterns of foreign tourists using Twitter data
Master and Undergrad student

 Name: Taisei Yoshioka (吉岡　大誠)
Enrollment: April 2020 – March 2021 (Undergrad)
April 2021 – March 2023 (Master)
Nationality: Japan
Research Topic:
1. An Empirical Analysis of Interaction in a Two-Sided Market of Local Currency Transactions (両面市場として捉えた地域通貨取引における相互作用の実証分析) (Undergrad)
2. Voluntary Provision of Public Goods (Master)
Awards:
1. 第73回（令和3年度）土木学会中国支部研究発表会若手優秀発表者賞
2. EASTS 2021: Best Paper Award for “Discovering interesting facts” (Taisei Yoshioka, Makoto Chikaraishi, Akimasa Fujiwara: Empirical Models of Consumer and Merchant Behavior in the Two-Sided Market of Local Currency
Publications:
Empirical models of consumer and merchant behavior in the two-sided market of local currency
Master student

Name: Siregar Melanton Hendra
Period: October 2020 – September 2022
Nationality: Indonesia
Research Topic: The Impact of Railway Stations Development on Land Price: A Case in West Japan
Awards: The Excellent Master Thesis Awards (the First Place of Excellence)
Master student

Name: Alexander T. Maramara
Period: October 2020 – September 2022
Nationality: Republic of the Philippines
Research topic: Integrating disaster risk reduction in infrastructural equipment management
Master student

Name: Ei Ei Tun
Period: October 2020 – September 2022
Nationality: Myanmar
Research Topic: Optimizing the location of green and open spaces for a better evacuation management
Awards: The Excellent Master Thesis Awards (the Second Place of Excellence)
Master student

Name: Hulio Abdul Fattah
Enrollment: October 2020 – September 2022
Nationality: Pakistan
Research Topic: Flood prevention and management in rural areas of Sindh Province of Pakistan
Master student

Name: Reem Al Olabi
Enrollment: October 2021 – September 2023 (April 2021 – September 2021: Research student)
Nationality: Syrian Arab Republic
Research Topic: Striking a Balance: Enhancing Survey Accuracy While Reducing Respondent Burden through Semi-Supervised Mode Detection
Master student

Name: Sreang Chamnab
Enrollment: October 2021 – September 2023
Nationality: Cambodia
Research Topic: Analysis Of Factors Affecting Road Traffic Accident Severity In Cambodia

  
Master student

Name: Idrees Nafay
Enrollment: October 2021 – September 2023
Nationality: Pakistan
Research Topic: Factors affecting drugs usage by truck drivers in Pakistan: a case study
Master and Undergrad student

Name: Tetsuro Sakai (坂井　哲郎）
Enrollment: April 2021 – March 2022
April 2022 – March 2024 (Master)
Research Topic:
1. How road network structure and travel demand pattern affect the occurrence of Braess’s Paradox? Simulation analysis (Undergrad)
2. Exploring Factors Influencing Braess Paradox using Novel Virtual Networks: A Comparative Study with Real Road Networks (Master)
Master student Name: Fahima Lailul Ula
Enrollment: October 2022 – September 2024
(April 2022 – September 2022 : Research Student)
Nationality: Indonesia
Research Topic: Evaluating Flat Fare Policy on Public Transport Use in Hiroshima
Master student Name: Somsy Keopasird
Enrollment: October 2022 – September 2024
Nationality: Laos
Research Topic: Evaluating Educational Strategies for Enhancing Flood Risk Perception and Preparedness in Laos: A Case Study of Champasak and Attepeu Provinces
Master student Name: Rabbi MD Reza E
Enrollment: October 2022 – September 2024
Nationality: Bangladesh
Research Topic: Assessing the Influence of Motorbike and Pedestrian Behavior on Traffic Flow at Signalized Intersections: A Case Study of Dhaka City in Bangladesh
Undergrad student Name: Ryuki Watanabe (渡部　竜輝)
Period: April 2018 – March 2019
Nationality: Japan
Research Topic: Machine learning for short-term travel demand prediction
Publication: Chikaraishi, M., Garg, P., Varghese, V., Yoshizoe, K., Urata, J., Shiomi, Y., Watanabe, R. (2020) On the possibility of short-term traffic prediction during disaster with machine learning approaches: An exploratory analysis, Transport Policy (Accepted).
Undergrad student Name: Toshimitsu Nishikiori 
Enrollment: April 2021 – March 2022
Nationality: Japan
Research Topic: Time Dependent Population Estimation
Undergrad
Student

Name: Daisuke Kajiyama (梶山　大輔）
Enrollment: April 2023 – March 2024
Nationality: Japan
Research Topic: Semantic Enrichment of Social Networks Based on GPS Collocation Information ​
Awards: 土木学会中国支部優秀学生
Undergrad
Student		 Name: Yosuke Ogawa (小川　陽祐)
Enrollment: April 2024 – March 2025
Nationality: Japan
Research Topic: 		  
  Name: Shouki Ichinose (一ノ瀬　翔輝)
Enrollment: April 2024 – March 2024
Nationality: Japan
Research Topic: 
  Name: Yudai Ishikawa (石川　雄大）
Enrollment: April 2023 – March 2024
Nationality: Japan
Research Topic: 		  
Exchange student Name: Nadia Qamilla
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Understanding the Interaction Between Ride-Hailing Services and Bus Rapid Transit in Jakarta: Competition or Complementarity?
  Name: Tubagus Zakie Faqihuddin
Enrollment: October 2024
Nationality: Indonesia
Research Topic: Influence of Perceived Accessibility on Mode Shift Intention: Case Study in Indonesia Toll Road Project
Internship Name: Arpit Jain
Period: November 2019 – December 2019
Nationality: India
Research Topic: Application of deep learning techniques for short term prediction of non-recurrent traffic congestion