JACKAI II ISAAC NDUMBE

PhD Student

PhD program:: XL
email: isaacndumbe.jackaiii@uniroma1.it
phone: +39 3931945690
building: Via Eudossiana, 18 - 00184, Building A - 5th floor - Transport Area
room: 5 (L021 - RM031)




supervisor: Professor Luca Persia
co-supervisor: Dr. Davide Shingo Usami

Research products

11573/1766808 - 2026 - Determinants of sustainable mobility in urban and rural Cameroon. Infrastructure, aspiration, and the mode choice divide in a secondary city
Ndingwan, Tevoh; Fondzenyuy, Stephen Kome; Ulrich Martial Wete Ngoussong, ; Feudjio Tezong, Steffel Ludivin; Isaac Ndumbe, Jackai Ii; Usami, Davide Shingo; Persia, Luca - 01a Articolo in rivista
paper: AFRICAN TRANSPORT STUDIES (Oxford: Elsevier Ltd.) pp. - - issn: 2950-1962 - wos: (0) - scopus: (0)

11573/1770433 - 2026 - Conflict-Based Models for Real-Time Crash Risk Assessment: A State-of-the-Art Review
Isaac Ndumbe, Jackai Ii; Feudjio Tezong, Steffel Ludivin; Ndingwan Tevoh, Lordswill; Dindze, Olive Dubila; Usami, Davide Shingo; Gonzalez-Hernandez, Brayan; Persia, Luca - 01g Articolo di rassegna (Review)
paper: FUTURE TRANSPORTATION (Basel: MDPI AG, 2021-) pp. 1-25 - issn: 2673-7590 - wos: WOS:001803431600001 (0) - scopus: 2-s2.0-105042960070 (0)

11573/1748875 - 2025 - Impact of Using Rural Roads Crash Modification Factors on Urban Road Safety Assessments
Chia Ngwah, Elvis; Ndingwan, Tevoh; Isaac Ndumbe, Jackai Ii; González-Hernández, Brayan; Usami, Davide Shingo - 04b Atto di convegno in volume
conference: 12th Young Researchers Seminar (Germany)
book: Young Researchers Seminar 2025 – Proceedings of the 12th Young Researchers Seminar, hosted by BASt, 3 - 5 June, 2025 (YRS 2025) - (978-3-95606-886-7)

11573/1758201 - 2025 - Exploring the Contribution of Road Infrastructure and Environmental Factors to Crash Severity at Intersections in Mixed Traffic Settings
Feudjio, Steffel Ludivin Tezong; Isaac Ndumbe, Jackai Ii; Ngwah, Elvis Chia; Fondzenyuy, Stephen Kome; Ndingwan, Tevoh; Usami, Davide Shingo; Persia, Luca - 01a Articolo in rivista
paper: INFRASTRUCTURES (Basel : MDPI AG , 2016-) pp. - - issn: 2412-3811 - wos: WOS:001648301900001 (6) - scopus: 2-s2.0-105025916169 (5)

11573/1758605 - 2025 - Traffic conflict-based crash estimation models. Overview and application across various traffic environment
Feudjio Tezong, Steffel Ludivin; Isaac Ndumbe, Jackai Ii; Chia Ngwah, Elvis; Stephen Kome Fondzenyuy, ; Ndingwan, Tevoh; Usami, Davide Shingo; Persia, Luca - 04c Atto di convegno in rivista
paper: TRANSPORTATION RESEARCH PROCEDIA ([Amsterdam] : Elsevier B.V.) pp. 251-258 - issn: 2352-1465 - wos: (0) - scopus: (0)
conference: 2025 Elsevier Transportation Research Symposium (Rotterdam)

11573/1758606 - 2025 - Application of extreme value theory models to crossing conflicts in mixed traffic intersection. Evidence from a case study in Yaoundé, Cameroon
Feudjio Tezong, Steffel Ludivin; Isaac Ndumbe, Jackai Ii; Chia Ngwah, Elvis; Stephen Kome Fondzenyuy, ; Ndingwan, Tevoh; Usami, Davide Shingo; Persia, Luca - 04c Atto di convegno in rivista
paper: TRANSPORTATION RESEARCH PROCEDIA ([Amsterdam] : Elsevier B.V.) pp. 244-250 - issn: 2352-1465 - wos: (0) - scopus: (0)
conference: 2025 Elsevier Transportation Research Symposium (Rotterdam)

11573/1711727 - 2024 - Investigating and Improving Pedestrian Safety in an Urban Environment of a Low- or Middle-Income Country: A Case Study of Yaoundé, Cameroon
Feudjio, Steffel Ludivin Tezong; Tchaheu, Dimitri Tchaheu; Fondzenyuy, Stephen Kome; Isaac Ndumbe, Jackai Ii; Usami, Davide Shingo; Persia, Luca - 01a Articolo in rivista
paper: FUTURE TRANSPORTATION (Basel: MDPI AG, 2021-) pp. 548-578 - issn: 2673-7590 - wos: WOS:001255872200001 (1) - scopus: 2-s2.0-85197189319 (1)

11573/1711721 - 2024 - Assessment of Sustainable Mobility Patterns of University Students: Case of Cameroon
Fondzenyuy, Stephen Kome; Isaac Ndumbe, Jackai Ii; Feudjio, Steffel Ludivin Tezong; Usami, Davide Shingo; Gonzalez-Hernández, Brayan; Wounba, Jean Francois; Elambo, Nkeng George; Persia, Luca - 01a Articolo in rivista
paper: SUSTAINABILITY (Basel : MDPI) pp. - - issn: 2071-1050 - wos: WOS:001245556900001 (6) - scopus: 2-s2.0-85195848978 (10)



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