Development corridors function as integrated economic ecosystems whose value depends on both hard infrastructure such as roads, railways, ports and logistics hubs, and soft infrastructure including regulations, customs procedures and institutional coordination.

Mapping initiatives including the 2022 African Development Corridors Database (documenting 79 corridors and 184 projects), GlobalCORRIDOR, the AfRI Practice Hub, OpenRailwayMap and East African transport observatories shift analysis from infrastructure assets toward territorial effects, trade performance and regional value chains.

Physical connectivity alone does not guarantee economic outcomes; the next research frontier is determining whether corridors generate increased trade, productive linkages and value in the territories they connect rather than merely moving goods.

Development corridors are more than transport routes. They are integrated economic ecosystems connecting production centres to domestic, regional and international markets. By linking roads, railways, ports, logistics hubs, industrial facilities and border crossings, they provide the physical connections through which trade can expand, production networks can develop and regional integration can become economically meaningful.

Yet the existence of infrastructure does not guarantee that these outcomes will materialise. The economic significance of a corridor depends not only on its hard infrastructure, including roads, railways, ports and logistics facilities. It also depends on the soft infrastructure underpinning its operation, such as the regulatory frameworks, customs procedures, as well as institutional coordination and commercial arrangements that facilitate the movement of goods and connect producers to markets.

Against this background, a growing number of initiatives are mapping development corridors, particularly in Africa. By documenting infrastructure networks and associated projects, these initiatives help researchers examine not only where connectivity is developing, but also its potential economic, social and environmental implications. Together, they illustrate a shift in corridor research from mapping infrastructure assets to investigating the........

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