Urban Informality and Transportation Dynamics in Africa

African cities are experiencing unprecedented urban growth driven by demographic shifts, economic opportunity and rural–urban migration. Formal planning and infrastructure investment often fail to keep pace, giving rise to sprawling informal settlements that lack adequate road networks, public transport and basic services. In response, residents and entrepreneurs develop adaptive mobility solutions outside official channels. These include shared minibuses, motorcycle taxis and three-wheelers that forge networks through densely populated peripheries and commercial hubs. The result is a layered transport landscape in which formal and informal systems coexist, compete and occasionally collaborate. Governance frameworks struggle to integrate these hybrid networks, posing challenges in regulation, safety, equity and environmental impact. At the same time, informal transport underpins livelihoods, fosters social ties and sustains local economies. Research has begun to map how spatial patterns of informality intersect with mobility flows, revealing opportunities for more inclusive policy interventions that bridge the gap between formal infrastructure and lived realities.

Research from Nature Portfolio

No recent Nature Portfolio content available.

Research from all publishers

Studies of Dar es Salaam’s bus rapid transit system reveal the complex negotiations required to introduce formal mass transit into an entrenched minibus culture. Researchers document how new vehicles, scheduling apps and digital payment systems have been adapted by operators and commuters, leading to unexpected routings and temporal patterns that diverge from initial design. This work highlights the importance of iterative feedback between planners, drivers and passengers when formal systems encounter established informal practices.

In Abidjan, the proliferation of motorised tricycles has transformed mobility in peripheral districts where larger vehicles cannot navigate narrow lanes. Detailed ethnographic research shows how drivers negotiate fares, parking and competition with motorcycle taxis, while township councils oscillate between tolerance and crackdowns. The study underscores the role of these hybrid modes in filling connectivity gaps and generating livelihoods, even as they challenge regulatory norms.

An emerging literature on social infrastructure examines how communal spaces—markets, waiting shelters and roadside kiosks—shape transport user behaviour and collective agency. This research argues that beyond roads and vehicles, the governance of public meeting points, informal ticketing networks and peer-to-peer information exchange constitute a critical layer of mobility infrastructure. Insights from multiple cities suggest that recognising and enhancing these social nodes can improve route reliability and passenger safety.

Urban Informality and Transportation Dynamics in Africa publication trend

The graph below shows the total number of articles in urban informality and transportation dynamics in africa across all publications each year (not limited to Nature Index journals).

Technical terms

Urban informality: The unplanned expansion of housing, services and economic activities operating outside formal regulatory frameworks.

Paratransit: Semi-organised transport services, such as minibuses, motorcycle taxis and informal tricycles, that fill gaps left by formal public transit.

Social infrastructure: Shared community spaces and networks that facilitate coordination, communication and support among urban residents and transport users.

Sociotechnical system: An interdependent ensemble of social actors, institutions and technological artefacts that co-evolve to deliver urban services and infrastructure.

References

1. Social infrastructure: why it matters and how urban geographers might study it. Urban Geography (2022).
2. Mediating Infrastructural Discipline: Established Practices and Changing Structures of Dar es Salaam’s Transport Sector. Urban Forum (2022).
3. Marginalité multiple et l’émergence d’un transport populaire : les taxi-tricycles ‘salonis’ à Abidjan, Côte d’Ivoire. Cybergeo (2021).