List of Research Studies Conducted and Published
by SafeTravelPH
(2020 - Present)
The perception of service quality among paratransit users in Metro Manila using structural equations modelling (SEM) approach
Tiglao, N. C. C., De Veyra, J. M., Tolentino, N. J. Y., & Tacderas, M. A. Y. (2020). The Perception of Service Quality Among Paratransit Users in Metro Manila using Structural Equations Modelling (SEM) Approach. Research in Transportation Economics, 83, 100955. https://www.sciencedirect.com/science/article/pii/S0739885920301530
Public Transport Crowdsourcing and Collaborative Governance for BRT in Transition: Monitoring and Analyzing the EDSA Carousel in Metro Manila for Strategic Planning and Policies
Tiglao, N. C., Tacderas, M. A., Tolentino, N. J., & Sanciangco, E. (2021). Public Transport Crowdsourcing and Collaborative Governance for BRT in Transition: Monitoring and Analyzing the EDSA Carousel in Metro Manila for Strategic Planning and Policies. Proceedings of the Eastern Asia Society for Transportation Studies. http://www.easts.info/on-line/proceedings/vol.13/pdf/PP3045_R1_F.pdf
‘Public Transport Innovations in the Time of Covid-19’: Crowdsourcing and Bus Telematics for Promoting Fuel Efficiency and Eco-Driving Practices on the EDSA Busway
Tiglao, N., Tacderas, M., Jon, N., & Tolentino, Y. (2021). 'Public Transport Innovations in the Time of Covid-19': Crowdsourcing and Bus Telematics for Promoting Fuel Efficiency and Eco-Driving Practices on the EDSA Busway. Proceedings of the 27th Annual Conference of Transportation Science Society of the Philippines. https://ncts.upd.edu.ph/tssp/wp-content/uploads/2021/12/14-TSSP-2021_PT-Innovations-EDSA-Busway-Telematics-EcoDriving.pdf
​Examining the Implementation of the Public Utility Vehicle Modernization Program (PUVMP) in General Santos City, Philippines: An Industry Perspective
Tacderas, M. Y., NG, A. C. L., Tolentino, N. J. Y., Tiglao, N. C., & Herrera, C. E. (2022). Examining the Implementation of the Public Utility Vehicle Modernization Program (PUVMP) in General Santos City, Philippines: An Industry Perspective. Philippine Transportation Journal, 4(1). https://ncts.upd.edu.ph/tssp/wp-content/uploads/2022/02/PTJ-V4-N1-TSSP-2021-Vol4-No1-04-Tacderas-et-al.pdf
Towards Better Understanding of Metro Manila’s Cyclists: Insights From Two Cycling Surveys in Metro Manila
Gaspay, S. M., Tolentino, N. J., Tiglao, N. C., Ng, A. C., & Tacderas, M. A. (2022). Towards Better Understanding of Metro Manila’s Cyclists: Insights From Two Cycling Surveys in Metro Manila. Philippine Transportation Journal, 5(1). https://ncts.upd.edu.ph/tssp/wp-content/uploads/2022/12/TSSP2022_Vol5-No1_03-Gaspay-Et-al.pdf
Enhancing policy capacity through Co-design: the case of local public transportation in the Philippines
Perez, R. E., Ng, A. C. L., & Tiglao, N. C. C. (2022). Enhancing policy capacity through Co-design: the case of local public transportation in the Philippines. Policy Design and Practice, 5(1), 103-121. https://www.tandfonline.com/doi/pdf/10.1080/25741292.2021.1930689
Estimation of transportation energy demand of the Philippines using a bottom-up approach
Vergel, K. B., Marcelo, K. R. S., Salison, A. J. P., Elamparo, F. N. M., Saavedra, V. A. L., Villedo, K. P., ... & Abaya, E. B. (2022). Estimation of transportation energy demand of the Philippines using a bottom-up approach. Asian Transport Studies, 8, 100058. https://www.sciencedirect.com/science/article/am/pii/S2185556022000049
Crowdsourcing, digital co-production and collaborative governance for modernizing local public transport services: The exemplar of General Santos City, Philippines
Tiglao, N. C. C., Ng, A. C. L., Tacderas, M. A. Y., & Tolentino, N. J. Y. (2023). Crowdsourcing, digital co-production and collaborative governance for modernizing local public transport services: The exemplar of General Santos City, Philippines. Research in Transportation Economics, 100, 101328. https://www.sciencedirect.com/science/article/abs/pii/S0739885923000689
Reforms in Metro Manila's bus transport system hastened by the Covid-19 pandemic: A policy capacity analysis of the EDSA busway
Gaspay, S. M., Tiglao, N. C., Tacderas, M. A., Tolentino, N. J., & Ng, A. C. (2023). Reforms in Metro Manila's bus transport system hastened by the Covid-19 pandemic: A policy capacity analysis of the EDSA busway. Research in Transportation Economics, 100, 101305. https://www.sciencedirect.com/science/article/pii/S0739885923000458
Operational Analysis of Tricycles-for-Hire Services in Puerto Princesa City, Philippines through Exploratory Data Analysis with Household Profiling and Tricycle Internet of Things (IoT) Data
Tolentino, Jon, N., Tiglao, C. C., Sanciangco, E. S., & Clarice, A. (2024). Operational Analysis of Tricycles-for-Hire Services in Puerto Princesa City, Philippines through Exploratory Data Analysis with Household Profiling and Tricycle Internet of Things (IoT) Data. Journal of the Eastern Asia Society for Transportation Studies, 15, 2217–2236.
https://www.jstage.jst.go.jp/article/easts/15/0/15_2217/_article/-char/en
Evaluating the Fuel Efficiency and Eco-Driving Potential of the EDSA Carousel using On-Board Diagnostics (OBD) and Mobile Crowdsourcing
Sanciangco, E., Tiglao, N. C., Tolentino, N. J., Hidalgo, G. K., Leanda, M. J., & Ollero, L. J. (2024). Evaluating the Fuel Efficiency and Eco-Driving Potential of the EDSA Carousel using On-Board Diagnostics (OBD) and Mobile Crowdsourcing. Philippine Transportation Journal, 7(1), 1-20. https://ncts.upd.edu.ph/tssp/wp-content/uploads/2024/07/TSSP2023-Vol7-No1_01-Sanciangco-and-Others.pdf
A Microsimulation Model of An Exclusive Bus Lane:
The Case of EDSA Busway
Ollero, L. J., Vergel, K., & Tiglao, N. C. (2024). A Microsimulation Model of An Exclusive Bus Lane: The Case of EDSA Busway. Philippine Transportation Journal, 7(2). https://ncts.upd.edu.ph/tssp/wp-content/uploads/2025/01/TSSP2024-Vol7-No2_01-Ollero-Vergel-and-Tiglao.pdf
Estimation of local pollutant and carbon dioxide emissions of road and rail transportation in the Philippines
Vergel, K. B., Halil, J. U., Gomintong, C. L. C., & Marcelo, K. R. S. (2024). Estimation of local pollutant and carbon dioxide emissions of road and rail transportation in the Philippines. Asian Transport Studies, 10, 100133. https://www.sciencedirect.com/science/article/pii/S2185556024000117
DEVELOPMENT OF A MODE TRANSFER QUALITY INDEX: THE CASE OF EDSA BUSWAY
Fajardo, A. C., & GASPAY, S. M. (2024). DEVELOPMENT OF A MODE TRANSFER QUALITY INDEX: THE CASE OF EDSA BUSWAY. Philippine Transportation Journal. 7(2). https://ncts.upd.edu.ph/tssp/wp-content/uploads/2025/01/TSSP2024-Vol7-No2_05-Fajardo-and-Gaspay.pdf
Enhancing Public Transport Planning through Participatory Action Research: The Bacolod City Simulation Exercise (SimEx) Experience
Tiglao, N., Sanciangco, E., Rivera, J., & Chavez, S. (2024). Enhancing Public Transport Planning through Participatory Action Research: The Bacolod City Simulation Exercise (SimEx) Experience. 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/TSSP2023-09-Tiglao-1.pdf
​Digitally enabled collaborative governance for sustaining bus reforms on the EDSA Busway in Metro Manila
Tiglao, N. C. C., Sanciangco, E., & Tolentino, N. J. (2025). Digitally enabled collaborative governance for sustaining bus reforms on the EDSA Busway in Metro Manila. Research in Transportation Economics, 113, 101633. https://www.sciencedirect.com/science/article/abs/pii/S0739885925001167
​A Risk and ESG Approach to Assessing the Barriers to Modernization and Cooperative Formation in Informal Public Transportation: Case of Philippine Jeepney Sector
Tacderas, M. A. Y., Sanciangco, E., & Tiglao, N. C. (2025). A Risk and ESG Approach to Assessing the Barriers to Modernization and Cooperative Formation in Informal Public Transportation: Case of Philippine Jeepney Sector. Research in Transportation Economics, 112, 101602.
https://www.sciencedirect.com/science/article/pii/S073988592500085X
Crowdsourcing and Bus Telematics for Promoting Fuel Efficiency and Eco-Driving Practices on the EDSA Busway
Tiglao, N. C., Tiglao, N. M., Sanciangco, E., & Tacderas, M. A. (2025). Crowdsourcing and Bus Telematics for Promoting Fuel Efficiency and Eco-Driving Practices on the EDSA Busway. Transportation Research Procedia, 82, 404-423. https://www.sciencedirect.com/science/article/pii/S2352146524003508
​‘Build it, but will they come?’ Assessing the Influence of Pop-up Bike Lanes during the COVID-19 Pandemic on Bike-to-Work Decisions in Metro Manila
Tiglao, N. C., Gaspay, S. M., Tolentino, N. J., & Ng, A. C. L. (2025). ‘Build it, but will they come?’ Assessing the Influence of Pop-up Bike Lanes during the COVID-19 Pandemic on Bike-to-Work Decisions in Metro Manila. Transportation Research Procedia, 82, 3807-3826. https://www.sciencedirect.com/science/article/pii/S2352146524003132/pdf