Peer-reviewed publications
* Jha, S., Pani, A., Puppala, H., Varghese, V., & Unnikrishnan, A. (2025). An equity-based approach for addressing inequality in electric vehicle charging infrastructure: Leaving no one behind in transport electrification. Energy for Sustainable Development, 85, 101643.
* Hridya, G. M., Pani, A., Varghese, V., Tripathi, G., & Unnikrishnan, A. (2025). People with disabilities and transit use: Findings from nationwide data in India. Transportation Research Part D: Transport and Environment, 139, 104558.
* Abdullah, R., Xavier, B. D., Namgung, H., Varghese, V., & Fujiwara, A. (2024). Managing transit-oriented development: A comparative analysis of expert groups and multi-criteria decision making methods. Sustainable Cities and Society, 115, 105871.
* Khaddar, S., Varghese, V., Fatmi, M. R., & Chikaraishi, M. (2024). Jointly modelling activity start time, travel mode, companionship, and destination location choices. Transportmetrica A: Transport Science, 1-27.
* Pani, A., Unnikrishnan, A., Sinha, S., & Varghese, V. (2024). Shopping Travel Behaviour Trade-Offs Between Physical Stores and Online Deliveries: Post-COVID Scenario in New Delhi, India. Transportation in Developing Economies, 10(2), 17.
* Varghese, V., Moniruzzaman, M., & Chikaraishi, M. Environmental sustainability or equity in welfare? Analysing passenger flows of a mass rapid transit system with heterogeneous demand. Research in Transportation Economics, 97, 101258, 2023.
* Hulio, A. F., Varghese, V., & Chikaraishi, M. Analyzing the preferences of flood victims on post flood public houses (PFPH): Application of a hybrid choice model to the floodplains of southern Pakistan. Climate Risk Management, 42, 100571, 2023.
* Fujiwara, K., Varghese, V., Chikaraishi, M., Maruyama, T. and Fujiwara, A., Does response lag affect travelers’ stated preference? Evidence from a real-time stated adaptation survey. Transportation, 2023.
Safira, M., Varghese, V., & Chikaraishi, M., Gershenfeld, S., & Zhao, F. Toward a Comprehensive Understanding of ICT Impacts on Activity-Travel Behavior: Preliminary Results from a Two-week Smartphone-based Survey in Jakarta, Indonesia. Journal of the Eastern Asia Society for Transportation Studies, 14, 284-303, 2022.
Puspitasari, S., Varghese, V., & Chikaraishi, M., & Maruyama, T. Exploring the Effects of Congestion Pricing on Travel Behavior Responses Using Real-Time, Context-Aware, Stated-Preference Data. Journal of the Eastern Asia Society for Transportation Studies, 14, 199-214, 2022.
Varghese, V., & Chikaraishi, M. Personalized Incentive Design for Travel Behavior Modification: Preliminary Results from a Novel Experiment in Hiroshima, Japan. Journal of the Eastern Asia Society for Transportation Studies, 14, 304-321, 2022.
* Varghese, V., Chikaraishi, M., & Jana, A. Joint analysis of mode and travel-based multitasking choices in Mumbai, India. Travel Behaviour and Society, 27, 148-161, 2022.
* Santos, J. R., Safitri, N. D., Safira, M., Varghese, V., & Chikaraishi, M. Road network vulnerability and city-level characteristics: A nationwide comparative analysis of Japanese cities. Environment and Planning B: Urban Analytics and City Science, 48(5), 1091-1107, 2021.
* Rose Santos, J., Varghese, V., Chikaraishi, M., & Uchida, T. Integrated framework for risk and impact assessment of sediment hazard on a road network. Transportation Research Record, 2675(7), 602-615, 2021.
* Varghese, V., Chikaraishi, M., & Jana, A. The architecture of complexity in the relationships between information and communication technologies and travel: A review of empirical studies. Transportation Research Interdisciplinary Perspectives, 11, 100432, 2021.
Varghese, V., Chikaraishi, M., and Urata, J. Deep learning in transport studies: A meta-analysis on the prediction accuracy. Journal of Big Data Analytics in Transportation, 2(3), 199-220, 2020.
Shah, P., Varghese, V., Jana, A., & Mathew, T. Analysing the ride sharing behaviour in ICT based cab services: A case of Mumbai, India. Transportation Research Procedia, 48, 233-246, 2020.
* Chikaraishi, M., Garg, P., Varghese, V., Yoshizoe, K., Urata, J., Shiomi, Y., & Watanabe, R. On the possibility of short-term traffic prediction during disaster with machine learning approaches: An exploratory analysis, Transport Policy 98, 91-104, 2020.
* Varghese V., Chikaraishi M, Kato H. Analysis of Travel-Time Use in Crowded Trains using Discrete-Continuous Choices of Commuters in Tokyo, Japan. Transportation Research Record, 2674(10), 189-198, 2020.
* Varghese, V., & Jana, A. Multitasking during Travel in Mumbai, India: Effect of Satiation in Heterogeneous Urban Settings. Journal of Urban Planning and Development, 145(2), 04019002.2019, 2019.
* Varghese, V., & Jana, A. Interrelationships between ICT, social disadvantage, and activity participation behaviour: A case of Mumbai, India. Transportation Research Part A: Policy and Practice, 125, 248-267, 2019.
* Varghese, V., & Jana, A. Impact of ICT on multitasking during travel and the value of travel time savings: Empirical evidences from Mumbai, India. Travel Behaviour and Society, 12, 11-22, 2018.
Basu, R., Varghese, V., and A. Jana. Comparison of Traditional and Emerging Paratransit Services in Indian Metropolises with Dissimilar Service Delivery Structures. Asian Transport Studies, 4(3), 518-535, 2017.
Varghese, V., Sarkar, S., & Jana, A. Analysing Disparities and their Impact on Time Use Behaviour: Evidences from Mumbai, India. Journal of the Eastern Asia Society for Transportation Studies, 12, 35-56, 2017.
Jana, A., & Varghese, V. Analyzing mode choice for inter-regional travel in India. Transportation Research Procedia, 25, 5220-5234, 2017.
* Chikaraishi, M., Jana, A., Bardhan, R., Varghese, V., & Fujiwara, A. A framework to analyze capability and travel in formal and informal urban settings: A case from Mumbai. Journal of Transport Geography, 65, 101-110, 2016.
Varghese, V., & Adhvaryu, B. Measuring overcrowding in Ahmedabad buses: costs and policy implications. Transportation Research Procedia, 17, 145-154, 2016.
Bardhan, R., Varghese, V., & Jana, A. Analyzing Regional Travel Patterns in India: Disaggregated Analysis of Social, Health and Pilgrimage Trips. Journal of the Eastern Asia Society for Transportation Studies, 11, 362-378, 2015.
*Papers marked in italics are published in SCI/SSCI journals.
Peer-reviewed conference Presentations
Rabbi, M.R.E., Islam, M., Varghese, V., Chikaraishi, M. (2025) Influence of Motorbike and Pedestrian Non-Compliance Behavior on Traffic Flow at Signalized Intersections: A Case from Dhaka City, Bangladesh, Paper presented at the 104th Annual Meeting of the Transportation Research Board, January 5-9, Washington D.C., USA.
Abdullah, R., Hyewon, N., Varghese, V., Chikaraishi, M., Fujiwara, A. (2025) Exploring the Impacts of Mobile Application Interventions on Walking Behavior using an Intersectionality Lens, Paper presented at the 104th Annual Meeting of the Transportation Research Board, January 5-9, Washington D.C., USA.
Shreyansh, Gupta, A., Varghese, V., Chikaraishi, M. Spatial Transferability Analysis of Choice Models with Computational Graphs. Paper accepted to be presented at the International Choice Modelling Conference (ICMC), Puerto Varas, Chile, April 1-3, 2024.
Varghese, V., Luo, L, Ishii, Y., Fukushima, S., Chikaraishi, M. Does experience affect route choice? An instance-based learning approach using vehicle trajectory data. Paper presented at the 102nd Annual Meeting of the Transportation Research Board, Washington D.C., USA, 7-11 January 2024.
Alolabi, R., Ula, F., Varghese, V., Chikaraishi, M. Exploring the Impact of Varying GPS Trajectory Frequencies and Class Balancing on Travel Mode Detection. Paper presented at the 102nd Annual Meeting of the Transportation Research Board, Washington D.C., USA, 7-11 January 2024.
Khaddar, S., Varghese, V., Fatmi, M., Chikaraishi, M. Jointly Modeling Work Arrangements and Vehicle Kilometer Traveled (VKT) for Non-work Travel: An Endogenous Switching Regression Modeling Approach. Paper presented at the 102nd Annual Meeting of the Transportation Research Board, Washington D.C., USA, 7-11 January 2024.
Chamnab, S. Varghese, V., Chikaraishi, M. Investigating the Effects of Underreporting on Traffic Accident Severity in Cambodia. Paper presented at the 102nd Annual Meeting of the Transportation Research Board, Washington D.C., USA, 7-11 January 2024.
Reza, A. Xavier, B., Namgung, H., Varghese, V., Fujiwara, A. Managing Transit-Oriented Development: A Comparative Analysis of Expert Groups and Multi-Criteria Decision-Making Methods. Paper presented at the 102nd Annual Meeting of the Transportation Research Board, Washington D.C., USA, 7-11 January 2024.
Muralidharan, H., Pani, A., Varghese, V., Sahu, P., Mukhopadhay, A., Dubey, A. Exploring How Satisfaction with Existing Bus Transit Influence the Intention to Shift to Aerial Ropeways. Paper presented at the 102nd Annual Meeting of the Transportation Research Board, Washington D.C., USA, 7-11 January 2024.
Tun, E., Nishikiori, T., Varghese, V., Chikaraishi, M., Seike, M., Fujiwara, A. Emergency Shelter Location–Allocation Analysis with Time– Varying Demand, presented at the 15th International Conference of Eastern Asia Society for Transportation Studies, Shah Aram, Malaysia, September 4-7, 2023.
Varghese, V., Chikaraishi, M. Impacts of extrinsic monetary incentives and intrinsic attitudes on mode choice behavior. Paper presented at the 101st Annual Meeting of the Transportation Research Board, Washington D.C., USA, 8-12 January 2023.
Khaddar, S., Varghese, V., Fatmi, M.R., Chikaraishi, M. A Joint model for activity start time, travel mode, companionship, and destination location choice decisions. Paper presented at the 101st Annual Meeting of the Transportation Research Board, Washington D.C., USA, 8-12 January 2023.
Fujiwara, K., Varghese, V., Chikaraishi, M., Maruyama, T., Fujiwara, A. Exploring the Effects of Response Lag on Model Estimation Results using a Real-Time Context-Aware Stated Preference Survey Data. The 7th International Choice Modelling Conference (ICMC) conference, Reykjavik, Iceland, 23-25 May 2022.
Santos, J.R., Varghese, V., Chikaraishi, M., Uchida, T. An integrated framework for risk and impact assessment of sediment hazard disruption on a road network. Proceedings of Infrastructure Planning, CD-ROM, 2020.
Moniruzzaman, M.D., Varghese, V., Chikaraishi, M. Heterogeneities in demand curve for MRT services in Dhaka city, Bangladesh. Proceedings of Infrastructure Planning, CD ROM, 2020.
Varghese, V., Chikaraishi, M., Kato, H. Travel-time use in crowded trains: Analyses with discrete continuous choices of commuters in Tokyo, Japan. Paper presented at the 99th Annual Meeting of the Transportation Research Board, Washington D.C., USA, 12-16 January 2020.
Varghese, V., Chikaraishi, M., Urata, J. Deep learning in transportation studies: A meta-analysis of methods. Paper presented at the 5th Conference of Transportation Research Group of India (CTRG-2019), Bhopal, India, 18-21 December 2019.
Varghese, V., Chikaraishi, M., Urata, J. Big data, deep learning, and transportation: A meta-analysis. Paper presented at the 24th HKSTS International Conference, Hong Kong, 14-16 December 2019.
Safitri, N.D., Santos, J.R., Safira, M., Varghese, V., Chikaraishi, M. Road Network Vulnerability: A Nationwide Analysis of 69 Cities from Japan. Paper presented at the International Conference on Climate Change, Disaster Management and Environmental Sustainability, Kumamoto, Japan, 19-21 September 2019.
Tigulo, A.A., Varghese, V., Chikaraishi, M. Analysis of Life Satisfaction in Slum Rehabilitation Housing Projects: A Decision Tree Approach. Paper presented at the 13th International Conference of Eastern Asia Society for Transportation Studies, Colombo, Sri Lanka, 9-12 September 2019.
Varghese, V., Chikaraishi, M., Jana, A. Mode Choice and Travel-Based Multitasking: Analysis of Self-Selection and Unobserved Heterogeneity among Travelers in Mumbai, India. International Choice Modelling Conference 2019, Kobe, Japan, 19-21 August 2019.
Shah, P., Varghese, V., Jana, A., & Mathew, T. Analysing the ride sharing behaviour in ICT based cab services: A case of Mumbai, India. Paper presented at the 15th World Conference on Transport Research, Mumbai, India, 26-31 May 2019.
Thomas, N., Varghese, V., Jana, A. Two-Wheeler Vehicle Ownership, Transport Disadvantage, And Mode Choice: A Case Study of Different Behavioral Segments from Mumbai, India. In Transportation Research Board 98th Annual Meeting, Washington D.C., USA, 13-17 January 2019.
Varghese, V., and A. Jana. Is ICT Improving Access to Activities? A Case Study of Mumbai, India. Paper presented at the 12th RSAI World Congress, Goa, India, 29 May - 1 June 2018.
Varghese, V., and A. Jana. Travel Time Use in Mumbai: Analyzing the Impact of ICT. Paper presented at the 4th Conference of the Transportation Research Group of India (CTRG), Mumbai, India, 17-20 December 2017.
Varghese, V., and A. Jana. Activity Participation and Time Use Behavior in Mumbai, India: Impact of Information and Communication Technologies in a Disparate World. Paper presented at the Transportation Research Board 96th Annual Meeting, Washington D.C., USA, 8-12 January 2017.
Jana, A., & Varghese, V. Analyzing mode choice for inter-regional travel in India. Paper presented at the World Conference on Transport Research (WCTR), Shanghai, China, 10-15 July 2016.
Chikaraishi, M., Jana, A., Bardhan, R., Varghese, V., & Fujiwara, A. Revisiting Travel Time in Mumbai: Value of Time Saving or Value of Access? Paper presented at the Transportation Research Board 95th Annual Meeting, Washington D.C., USA, 10–14 January 2016.
Varghese, V., Sarkar, S., Bardhan, R., Velaga, N. & Jana, A. (2015) Transport network characteristics and real-estate undercurrents: The effect of spatial nonstationarity on property pricing in Mumbai. Paper presented at the 3rd Conference of the Transportation Research Group of India (CTRG), Kolkata, India, 17-20 December 2015.
Bardhan, R., Varghese, V., & Jana, A. (2015) Analyzing Regional Travel Patterns in India: Disaggregated Analysis of Social, Health and Pilgrimage Trips. Paper presented at the 11th Eastern Asia Societies for Transportation Studies (EASTS) Conference, Cebu, Philippines, 11-14 September 2015.
Varghese, V., & Adhvaryu, B. (2014) Measuring overcrowding in Ahmedabad buses: costs and policy implications. Paper presented at the 11th Transportation Planning and Implementation Methodologies for Developing Countries, TPMDC 2014, Mumbai, India, 10-12 December 2014
*** Some conference presentations were later published as journal papers.