Research / Publication

Research Themes

Logistics, supply chain and physical internet; Urban mobility transitions; Sustainable Finance; Energy transitions; Transport Data Analytics; Travel behavior; Mobility behavior change support systems; Justice and politics of transitions; International diffusion of innovations

Awards

National Academy of Science and Technology. DOST-NAST International Publication Awards (2022).

National Academy of Science and Technology. DOST-NAST International Publication Awards (2023).

Pilot Testing the Institutionalization of Service Contracting Towards the Establishment of A Public Transit Authority in LGUs as a Viable Catalyst for Transport Sector Reform, funded by Center for Research and Communication Foundation, Inc. (CRCFI) for Year 2023-2024. Amount: Php 375,000.

https://crc.uap.asia/2023/07/19/crcfi-research-fund-selected-research-proposals-for-ay-2023-2024/ 

Informal and Shared Public Transport: How Can an Equity-Led Approach Inform a Sustainable and Just Transport Transition?, funded by Volvo Research and Educational Foundations (VREF) for Year 2023. Project Leader: Dr. Iderlina Mateo-Babiano. 

Guest Editorial

Walkability Transitions from an Intersectional Equity and Justice Perspective. Asian Transport Studies.

https://www.sciencedirect.com/journal/asian-transport-studies/about/call-for-papers#call-for-papers-on-the-special-issue-walkability-transitions-from-an-intersectional-equity-and-justice-perspective

Published

Accepted / Invited

Sunio, V., Li, W., Pontawe, J., Dizon, A., and Fillone, A. (2024). Transforming the public transport sector in the Philippines through service contracts: A program evaluation study. To be published in Transportation Research Procedia. [PDF version]

Sunio, V., and Bunda, N. (2024). Understanding the process of adoption of electric jeepneys by transport cooperatives using a stage model. To be published in Transportation Research Procedia. [PDF version]

Sunio, V., Gaspay, S., Mateo-Babiano, I. and Fillone, A. (2024). Advancing transport financing through service contracting: An exploratory study in the Philippines.  To be published as a book chapter in Handbook on Transport in Asia (edited by Sylvia He and published by Edward Elgar Publishing Ltd) [PDF version]

2024 - 2020

Peckson, P., Sunio, V., and Mateo-Babiano, I. (2024). Jane Jacobs’ “Exuberant Vitality” and Downtown Baguio. Journal of the Eastern Asia Society for Transportation Studies, 15, 140-159. https://www.jstage.jst.go.jp/article/easts/15/0/15_140/_article/-char/ja/ 

Sunio, V., Theng, A.J., Peckson, P. and Ugay, J.C. (2024). Emerging storylines in the context of the pandemic for the mainstreaming of bicycles in the transport system. Journal of Cycling and Micromobility Research, Volume 2, 100024. https://www.sciencedirect.com/science/article/pii/S2950105924000159 [Ungated PDF version]

Sunio, V., Mateo-Babiano, I., Rivera, J., Mariano, A.P. and Fillone, A. (2024). Long-term service contracts for the mobilization of private financing for the reform of informal public transport sector in the Philippines. Case Studies on Transport Policy, 101166. https://www.sciencedirect.com/science/article/abs/pii/S2213624X2400021X [Ungated PDF version]

Sunio, V., Fillone, A., Abad, R.P., Rivera, J. and Guillen, MD (2023). Why does demand-based transport planning persist? Insights from social practice theory. Journal of Transport Geography, Volume 111, 103666. https://www.sciencedirect.com/science/article/abs/pii/S0966692323001382 [Ungated PDF version]

Sunio, V., Mendejar, J., Nery, J, and Carlos, JP (2023). Generalization of digital innovation for financial inclusion by means of market creation through regulation and governance. Global Transitions, Volume 5, 29-39. https://www.sciencedirect.com/science/article/pii/S2589791823000051 [Ungated PDF version]

Bunda, N., Sunio, V., Palmero, S., Tabañag, I.D., Reyes, D.J. and Ligot, E (2023). Stage Model of the Process of Solar Photovoltaic Adoption by Residential Households in the Philippines. Cleaner and Responsible Consumption, 100114. https://www.sciencedirect.com/science/article/pii/S2666784323000153  [Ungated PDF version]

Sunio, V. Kato, H., Gaspay, S., Pontawe, J., and Napalang, S (2023). International transfer of railway infrastructure through the intermediation of aid agencies. Transportation Research Interdisciplinary Perspectives, 18, 100765.  https://www.sciencedirect.com/science/article/pii/S259019822300012X  [Ungated PDF version]

Sunio, V. Ugay, J., Li, CW., Liwanag, H and Santos, J. (2023). Impact of Public Transport Disruption on Access and Well-Being During Covid-19 Pandemic: A Qualitative Case Study in Metro Manila, Philippines. Case Studies on Transport Policy, Volume 11, 100948. https://doi.org/10.1016/j.cstp.2023.100948  https://www.sciencedirect.com/science/article/abs/pii/S2213624X23000020 [Ungated PDF version]

Sunio, V (2022). Guest editor of the Special Issue of Innovatus on "Digital Transformation of Transportation". https://innovatus-pub.github.io/abstractpublications_archive/abstractpublications_2022b.html 

Sunio, V. and Mendejar, J (2022). Financing Low-Carbon Transport Transition in the Philippines: Mapping Financing Sources, Gaps and Directionality of Innovation. Transportation Research Interdisciplinary Perspectives, 14, 100590. https://www.sciencedirect.com/science/article/pii/S2590198222000525 [Ungated PDF version]

Sunio, V., Cortes, R. & Lactao, J. (2022). Rhetorical orientations for promoting sustainable travel behavior: A Perspective.  Research in Transportation Economics, 91, 101026. https://www.sciencedirect.com/science/article/pii/S0739885920302249  [Ungated PDF version]

Also featured in 360info: "Bus lanes are efficient and bike lanes are fair – transport messages that work". Special report on "Nudging sustainability". DOI: https://doi.org/10.54377/4598-1f8b 

Sunio, V., Li, W. J., Pontawe, J., Dizon, A., Valderrama, J. B., & Robang, A. (2022). Service Contracting as a policy response for public transport recovery during the Covid-19 Pandemic: A Preliminary Evaluation. Transportation Research Interdisciplinary Perspectives, 13, 100559.  https://www.sciencedirect.com/science/article/pii/S2590198222000227 [Ungated PDF version]

Sunio, V. and Mateo-Babiano, I. (2022). Pandemics as ‘Windows of Opportunity’: Transitioning towards more Sustainable and Resilient Transport Systems. Transport Policy, 116, 175-187.  https://www.sciencedirect.com/science/article/abs/pii/S0967070X21003577 [Ungated PDF version]

Sunio, V., Mendejar, J. and Nery, J (2021). Does the Greening of Banks Impact the Logics of Sustainable Financing? The Case of Bank Lending to Merchant Renewable Energy Projects in the Philippines. Global Transitions, Volume 3, 109-118. https://www.sciencedirect.com/science/article/pii/S2589791821000177 [Ungated PDF version]

Sunio, V. (2021).  Unpacking justice issues in transport system transition using multi-criteria mapping method. Transportation Research Part D: Transport and Environment. Volume 96C, 102887.  https://www.sciencedirect.com/science/article/abs/pii/S1361920921001887 [Ungated PDF version]

Sunio, V., Cortes, R. & Lactao, J. (2021). Evaluating and explaining the persuasiveness of rhetorical appeals for changing travel behaviour.  Proceedings of the Eastern Asia Society for Transportation Studies (Volume 13). http://www.easts.info/on-line/proceedings/vol.13/pdf/PP2737_R1_F.pdf [Ungated PDF version]

Sunio, V., Peckson, P., & Ugay, J. C. (2021). How urban social movements are leveraging social media to promote dignified mobility as a basic human right. Case Studies on Transport Policy, 9(1), 68-79. https://www.sciencedirect.com/science/article/pii/S2213624X20300675 [Ungated PDF version]

Sunio, V., Argamosa, P., Caswang, J., & Vinoya, C. (2021). The State in the governance of sustainable mobility transitions in the informal transport sector. Research in Transportation Business & Management, 38, 100522. https://www.sciencedirect.com/science/article/pii/S2210539520300353 [Ungated PDF version]

Sunio, V., Laperal, M., & Mateo-Babiano, I. (2020). Social enterprise as catalyst of transformation in the micro-mobility sector. Transportation Research Part A: Policy and Practice, 138, 145-157. https://www.sciencedirect.com/science/article/abs/pii/S0965856420306091  [Ungated PDF version]

2019 - 2010

Sunio, V., Gaspay, S., Guillen, M. D., Mariano, P., & Mora, R. (2019). Analysis of the public transport modernization via system reconfiguration: The ongoing case in the Philippines. Transportation Research Part A: Policy and Practice, 130, 1-19. https://www.sciencedirect.com/science/article/abs/pii/S0965856418315416  [Ungated PDF version]

Sunio, V. and Schmöcker, J.D. (2019). Implementing Stage-Based Models of Behavioral Change as Menu-Based Intervention. Journal of the Eastern Asia Society for Transportation Studies, 13, 427-441. https://www.jstage.jst.go.jp/article/easts/13/0/13_427/_article/-char/ja/  [Ungated PDF version]

Brotoisworo, P. and Sunio, V. (2019). Exploring the Utilization of Crash Data from Waze and Twitter for Official National Crash Database. Proceedings of the Eastern Asia Society for Transportation Studies (Volume 12). http://www.easts.info/on-line/proceedings/vol.12/pdf/PP2504.pdf [Ungated PDF version]

Sunio, V., Schmöcker, J. D., & Kim, J. (2018). Understanding the stages and pathways of travel behavior change induced by technology-based intervention among university students. Transportation Research Part F: Traffic Psychology and Behaviour, 59, 98-114. https://www.sciencedirect.com/science/article/abs/pii/S1369847817306423 [Ungated PDF version]

Sunio, V., & Schmöcker, J. D. (2017). Can we promote sustainable travel behavior through mobile apps? Evaluation and review of evidence. International Journal of Sustainable Transportation, 11(8), 553-566. https://www.tandfonline.com/doi/abs/10.1080/15568318.2017.1300716  [Ungated PDF version]

Sunio, V., Schmöcker, J. D., Estuar, M.R.E, Dela Cruz, B.L., & Torres, M.J. (2017). Development And Usability Evaluation Of Blaze Information System For Promoting Sustainable Travel Behaviour In Metro Manila. Journal of the Eastern Asia Society for Transportation Studies, 12, 2428-2443. https://www.jstage.jst.go.jp/article/easts/12/0/12_2428/_article/-char/ja/  [Ungated PDF version]

Sunio, V., Schmöcker, J. D., & Estuar, M. R. J. (2017, October). Implementation of a mobility behavior change support system in Manila Philippines. In Intelligent Transportation Systems (ITSC), 2017 IEEE 20th International Conference on (pp. 661-666). IEEE. https://ieeexplore.ieee.org/abstract/document/8317912/  [Ungated PDF version]

Udani, Z. A. S., Sunio, V. C., Dado, R. H., & Udani, D. S. (2012). International briefing 26: training and development in the Philippines. International Journal of Training and Development, 16(4), 300-318. https://onlinelibrary.wiley.com/doi/10.1111/j.1468-2419.2012.00401.x  [Ungated PDF version]

Major conferences

Gaspay, S., Salison, AJ., Sunio, V., and Stringer, T (2024). Driving Change: Lessons on the Electrification and Modernization of Jeepneys in the Philippines. Presented at Thredbo 18 International Conference Series on Competition and Ownership in Land Passenger Transport, Cape Town, South Africa, 29 September – 3 October 2024. [Presentation deck] Runner Up. The Kelsian Award on the Best Sustainability-themed Paper. [Certificate].

Sunio, V., and Bunda, N. (2024). Understanding the process of adoption of electric jeepneys by transport cooperatives using a stage model. Euro Working Group on Transportation EWGT 2024 Conference, Lund University, Sweden, 4-6 September 2024. https://www.ewgt2024.se/conference-program/  [PDF copy of the presentation].

Sunio, V., Mateo-Babiano, I., Rivera, J., Mariano, A.P. and Fillone, A. (2023). Long-term service contracts for the mobilization of private financing for public transport sector reform in the Philippines. Presented at World Conference on Transport Research, Montreal, Canada, 17-21 July 2023. http://wctr2023.ca/pdfs/BOOKLET_WCTR2023.pdf [PDF copy of the paper]

Recipient of 16th WCTR Bursary Awards. http://wctr2023.ca/pdfs/Bursary-awards_WCTR2023.pdf 

Sunio, V., Li, W., Pontawe, J., Dizon, A., and Fillone, A. (2023). Transforming the public transport sector in the Philippines through service contracts: A program evaluation study. Presented at World Conference on Transport Research, Montreal, Canada, 17-21 July 2023. http://wctr2023.ca/pdfs/BOOKLET_WCTR2023.pdf [PDF copy of the paper]

Abante, K., Sunio, V., and Paranga, N.A. (2023). Assessing Transport Budget Allocation and Investments Pipeline from 2010-2025 in the Philippines from a Justice Perspective. Presented at World Conference on Transport Research, Montreal, Canada, 17-21 July 2023. http://wctr2023.ca/pdfs/BOOKLET_WCTR2023.pdf [PDF copy of the paper]

Sunio, V., Li, W., Pontawe, J., Dizon, A., and Fillone, A. (2022). Service contracting of paratransit as a pathway for public transport reform and a policy response during the pandemic. Presented at Thredbo 17 International Conference Series on Competition and Ownership in Land Passenger Transport, Sydney, Australia, 4-8 September 2022.  Recipient of Neil Smith Scholarship and National Research Council of the Philippines' Research Dissemination in Local and International Platforms (RDLIP) financial grant. [PDF copy here]

*See workshop report here, which cites the above presentation: 

Finn, B., & Yen, B. T. (2024). Workshop 2B report: Governance of relationships between authorities and operators with particular reference to situations of fundamental change. Research in Transportation Economics, 103, 101395. https://www.sciencedirect.com/science/article/pii/S073988592300135X 

Sunio, V., Schmöcker, J.-D., Kim, J. and Estuar, R. (2017). Understanding the stages and pathways of travel behaviour change induced by technology based intervention among university students. Presented at the 56th Japan Infrastructure Planning Conference (Autumn Meeting), Iwate, Japan. November 3-5. [PDF copy here] https://jsce-ip.org/wp-content/uploads/2019/03/ip56_ver20171007.pdf 

Sunio, V., Schmöcker, JD., Estuar, R., Gotangco, C.K. and Favis, A.M. (2017). Development and Evaluation of Blaze Information System. Presented at International Conference on Environmental Psychology, A Coruna, Spain. 30 August - 1 September 2017. (Presentation only [click here]; no manuscript) 

Sunio, V., Schmöcker, JD., Estuar, R., Torres, M, and Robosa, K (2016). Development of BLAZE: A mobility behavior change support system for promoting environmentally friendly travel behavior in Manila. Presented at World Conference on Transport Research - WCTR 2016 Shanghai. 10-15 July 2016. [PDF copy here]

Conferences - Local / National

Ang, S., de Borja, R.,  Lim, P.N., Matriano, K., Ramos, G.Y., and Sunio, V. (2024).  Exploring the Impact of Supply Chain Integration on Firm Performance in the Philippine Apparel Industry: The Role of Competition Capability and SCM Practices.  2024 National Conference: 15th National Conference Operations Research and Analytics: Empowering Decision-Making Across Industries and Sectors. Eastwood Richmonde Hotel, Quezon City, Metro Manila. 8 November 2024. [Programme] [pdf of presentation].

Sunio, V. and Nery, J.R. (2024). Mobilizing private financing for the reform of informal public transport in the Philippines through service contracting. Presented at the 2024 Fiscal Policy Conference: Efficient Governance Towards a Stronger Fiscal Future. Organized by the Philippines' Department of Budget and Management.  University of Asia and the Pacific, Pasig City, Metro Manila, Philippines. From 23 October 2024, postponed to 22 November 2024. [Book of Abstracts].

Sunio, V. et al (2023).  Towards a Roadmap to Realize the Physical Internet Vision in the Philippines: Preliminary Results from Stakeholders’ Consultation.  Proceedings of the 29th Annual Conference of the Transportation Science Society of the Philippines.  https://ncts.upd.edu.ph/tssp/wp-content/uploads/2024/01/TSSP2023-07-Sunio.pdf 

Quoted / Interviewed by the Media

Challenges on the road to full modernisation of jeepney fleet. South China Morning Post. 12 June 2024. https://drive.google.com/file/d/13hhaQyW0X8uh4O8jH7mo7e6HU6gZLm8k/view?usp=drive_link 

Journal Referee / Reviewer

MDPI Journals: Sustainability (2023-02-25; 2022-10-09; 2022-09-11; 2022-06-18; 2022-05-21), Future Transportation (2022-09-20; 2022-07-17), Sensors (2023-03-12; 2022-12-11; 2022-08-24), Applied Sciences (2022-10-06), Journal of Marine Science and Engineering (2023-04-26)

Source: https://orcid.org/0000-0002-9781-9412 

Taylor and Francis: Journal of Urban Affairs (21 September 2024); Journal of Environmental Policy & Planning (25 July 2024; 30 October 2024); Cogent Social Sciences (24 March 2023; 9 September 2024), International Journal of Sustainable Transportation (17 July 2020; 17 August 2024), Transport Reviews (August 2015–August 2016; https://www.tandfonline.com/doi/full/10.1080/01441647.2016.1227407)

Sage Publishing: Transportation Research Record (10 November 2022)

Bentham Open: Open Transportation Journal (29 April 2023)

Conference: WSTLUR 2024 International Conference (26 February 2024), World Conference on Transport Research Society 2023 (31 January 2023), EASTS, TSSP

Elsevier: Research in Transportation Business & Management (5th August 2021; 7th December 2021; 13 November 2023; 30 March 2024), Transport Policy (27th June 2022; 5th April 2023; 16 June 2023; 22 July 2023), Energy Strategy Reviews (15th August 2022), Case Studies on Transport Policy (24 March 2023; 9th October 2022; 14th November 2022; 9th January 2023; 31 May 2023; 13 June 2023), Research in Transportation Economics (22nd December 2022), Asian Transport Studies (25 August 2023; 26 August 2023; 17 December 2023; 14 January 2024), Journal of Urban Mobility (1 October 2023; 13 January 2024).

Elsevier: Journal of Transport Geography (11th February 2020; 17th September 2020; 26 July 2023), Sustainable Cities and Society (22nd May 2021; 7th August 2021), Urban Governance (15th July 2021; 25 May 2023; 21 October 2023), Utilities Policy (15th July 2021; 6th December 2021; 29th December 2021), Transportation Research Part D (7th August 2021; 15th October 2021; 26th July 2022; 8 January 2024; 27 April 2024), Transportation Research Interdisciplinary Perspectives (7th May 2022; 22nd July 2022; 24th July 2022; 13th October 2022; 6th February 2023; 3 July 2023; 8 July 2023; 17 October 2023; 13 January 2024; 14 August 2024; 29 September 2024; 11 October 2024); Technology in Society (21 September 2024)

Others: Environmental Engineering and Management Journal (24th December 2020), Southeastern Philippines Journal of Research and Development (23 August 2024)

Invited Speaker

"Financing the reform of informal public transport in the Philippines". Portland State University.  28 May 2024.   https://www.pdx.edu/urban-studies/events/financing-reform-informal-public-transport-philippines-visiting-scholar-seminar-dr-varsolo 

"Financing as Governance: The case of financing the reform of informal public transport in the Philippines", Lingnan University, HK. 14 December 2023. Online. https://www.ln.edu.hk/sgs/news/Cities-and-Governance-Seminar-Series-2023-24-Financing-as-Governance-The-case-of-financing-the-reform-of-informal-public-transport-in-the-Philippines 

"Transportation Equity and Justice: Issues and Agenda". Kyonggi University, South Korea. 13 October 2023. https://humo.kyonggi.ac.kr/labnews/%EA%B5%AD%EC%A0%9C%EC%97%B0%EC%82%AC-%EC%B4%88%EC%B2%AD%EC%84%B8%EB%AF%B8%EB%82%98-varsolo-c.-sunio-%EB%B0%95%EC%82%AC%EB%8B%98-%EC%84%B8%EB%AF%B8%EB%82%98 

"Financing the reform of informal public transport in the Philippines". International Public Transport Forum. 10 October 2023. Busan, South Korea. https://www.youtube.com/watch?v=tMrc6iB6Rq4 and https://kst.or.kr/bbs/board.php?bo_table=admin_cal&wr_id=1981 

"Towards A Prosperous Archipelagic Maritime Nation: S&T Perspective". Blue Economy Annual Trade and Conference 2023, SMX Convention Center, 7 September 2023. https://www.thebeaconexpo.com/?pgid=lwa7ro5e-e28f3975-fb5b-4917-a8a3-93ecd85fd0bb 

"Transportation Equity and Justice". Transportation Summit 2023. Mapua University. August 23, 2023.

Analyzing transport transition issues from the perspective of justice using multi-criteria mapping method. The 6th UTokyoIP-CUTI Special Seminar. February 2, 2023. https://jsce-ip.org/2023/01/26/218-the-4th-utokyoip-cuti-special-seminar-2-2/ 

Various Aspects of Sustainable Transitions in Transport and Mobility in a Global South Country. Invited Speaker.  Transportation, Mobility and Energy, Basic Research in Engineering for Sustainable Communities.  National Research Council of the Philippines.  October 11, 2021.  NRCP Facebook Page. https://nrcp.dost.gov.ph/latest-news/810-nrcp-highlights-transportation-engineering-energy-for-sustainable-communities 

Various Aspects of Sustainable Transitions in Transport and Energy in a Global South Country. Invited speaker for Socio-economy in Sustainable Development Goals 1. 1st International Conference of Lignocellulose (ICON-LIG) in conjunction with the 10th International Symposium for Sustainable Humanosphere (ISSH).  September 14, 2021. http://situs.opi.lipi.go.id/iconlig-issh2021/ 

Covid19 as Window of Opportunity or Setback for Transition in Transport in Metro Manila?. Sustainability transitions in the context of Covid-19: Perspectives from the Global South. Sustainability Transitions Research Network. October 7, 2020. https://transitionsnetwork.org/webinar-series-sustainability-transitions-in-the-context-of-covid-19-perspectives-from-the-global-south/

https://www.tipconsortium.net/event/sustainability-transitions-in-the-context-of-covid-19-perspectives-from-the-global-south-local-experimentations-in-times-of-a-pandemic/

Data analytics for transport policy and planning in the Philippines.  ASEAN-Japan Seminar on “Utilization of Mobile Phone Big-Data (MBD) for Transport Planning”. January 16, 2019. Hanoi, Vietnam. https://www.jttri.or.jp/english/events/2019/seminar190116.html

Initiatives

Physical Internet for Logistics Initiative: https://sites.google.com/uap.asia/physicalinternetph/ 

Webinar Series on Emerging and State-of-the-Art Transportation Science Studies: https://sites.google.com/uap.asia/transportsciph/ 

Conference on the Service Contracting of Public Transportation in the Philippines: https://sites.google.com/uap.asia/servicecontractph/