09. July 2026

"I hope this work contributes to more evidence-based infrastructure planning that balances economic opportunity, regional equity, and environmental sustainability" Vincent Moseti successfully defends his doctoral thesis on Road infrastructure development in Kenya

Vincent Moseti successfully defends his doctoral thesis on Road infrastructure development in Kenya

Vincent Moseti (ZEF LAND) successfully defended his doctoral thesis on "Road infrastructure development in Kenya: Political incentives, economic responses and environmental impacts". His doctoral degree was granted by the Faculty of Agriculture, Nutrition, and Engineering of the University of Bonn.

His doctoral research was supervised by Prof. Dr. Lisa Biber-Freudenberger and Prof. Dr. Jan Boerner. 

Vincent Moseti at his doctoral graduation
Vincent Moseti at his doctoral graduation © ZEF/Alma van der Veen
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What was the research about?

My research examined how road infrastructure shapes development and environmental outcomes in rural Kenya. Rather than viewing roads solely as engineering projects, I investigated how political incentives influence where roads are built, how improved accessibility affects local economies, and what environmental consequences can emerge.

Why does this research matter?

The central message is simple: building roads alone is not enough. Their ability to deliver equitable and sustainable development depends on the institutions and policies that guide where they are built and how their positive impacts are enhanced while environmental trade-offs are managed.

Although grounded in Kenya, the findings are relevant to many low- and middle-income countries investing in transport infrastructure. I hope this work contributes to more evidence-based infrastructure planning that balances economic opportunity, regional equity, and environmental sustainability.

Graph from Vincent Moseti's doctoral thesis
Graph from Vincent Moseti's doctoral thesis - Beyond the roads-to-development narrative © Vincent Moseti
  • Road allocation is influenced by both development needs and political incentives.
  • Better connectivity generates economic benefits, but these are uneven and depend on local conditions.
  • Improved accessibility can also increase environmental pressures through land-use change, population concentration, and livestock expansion.

DFG, under the Collaborative Research Center- Future Rural Africa.

Moseti, V., Boerner, J., & Biber-Freudenberger, L. (2026). Road accessibility and land degradation: Evidence from Kenya’s road development between 2002–2022. Transportation Research Part D: Transport and Environment, 156, 105362. https://doi.org/10.1016/j.trd.2026.105362

Moseti, V., Biber-Freudenberger, L., & Börner, J. (2026). Votes for roads: Electoral motives of road infrastructure development in Kenya. Journal of Transport Geography, 133, 104619. https://doi.org/10.1016/j.jtrangeo.2026.104619

Mtweve, P., Moseti, V., Mahmoud, N., Kramm, T., Bogner, C., Ibisch, P., & Biber-Freudenberger, L. (2025). Exploring socioeconomic and environmental impacts of road infrastructure development in Sub-Saharan Africa: A systematic literature review. Environmental Development, 54, 101177. https://doi.org/10.1016/j.envdev.2025.101177

Biber-Freudenberger, L., Bogner, C., Bareth, G., Bollig, M., Dannenberg, P., Diez, JR, ... & Börner, J. (2025). Impacts of road development in sub-Saharan Africa: A call for holistic perspectives in research and policy. Iscience , 28 (2). https://doi.org/10.1016/j.isci.2025.111913 

Kramm, T., Nyamari, N., Moseti, V., Klee, A., Vehlken, L., Anderson, D. M., ... & Bareth, G. (2025). Deep learning-based extraction of Kenya’s historical road network from topographic maps. Scientific Data, 12(1), 1149. https://doi.org/10.1038/s41597-025-05442-6

 

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