A key factor in developing the South African economy is promoting cross-border trade while enabling international trade with the rest of the world. This necessitates safe and reliable roads, railways, ports, and air travel.

Improved transport infrastructure will also improve tourism, facilitate a more productive transactional environment, and enhance the general standard of living.

The Programme for Infrastructure Development in Africa (PIDA), estimates that the continent of Africa requires $25.4 billion of investment by 2020 if it is to realise its goal of "closing the infrastructure deficit and promoting socio-economic development and poverty reduction in Africa through improved access to integrated regional and continental infrastructure networks and services".