The Trans-African Highway network comprises transcontinental road

Road

A road is a thoroughfare, route, or way on land between two places, which typically has been paved or otherwise improved to allow travel by some conveyance, including a horse, cart, or motor vehicle. Roads consist of one, or sometimes two, roadways each with one or more lanes and also any...

 projects in Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

 being developed by the United Nations Economic Commission for Africa

United Nations Economic Commission for Africa

The United Nations Economic Commission for Africa was established in 1958 by the United Nations Economic and Social Council to encourage economic cooperation among its member states following a recommendation of the United Nations General Assembly.It is one of five regional commissions.The ECA...

 (UNECA), the African Development Bank

African Development Bank

The African Development Bank Group is a development bank established in 1964 with the intention of promoting economic and social development in Africa...

 (ADB), and the African Union

African Union

The African Union is a union consisting of 54 African states. The only all-African state not in the AU is Morocco. Established on 9 July 2002, the AU was formed as a successor to the Organisation of African Unity...

 in conjunction with regional international communities. They aim to promote trade

Trade

Trade is the transfer of ownership of goods and services from one person or entity to another. Trade is sometimes loosely called commerce or financial transaction or barter. A network that allows trade is called a market. The original form of trade was barter, the direct exchange of goods and...

 and alleviate poverty in Africa

Poverty in Africa

Poverty in Africa refers to the lack of basic human needs faced by certain segments of African society. African nations typically fall toward the bottom of any list measuring small size economic activity, such as income per capita or GDP per capita, despite a wealth of natural resources...

 though highway

Highway

A highway is any public road. In American English, the term is common and almost always designates major roads. In British English, the term designates any road open to the public. Any interconnected set of highways can be variously referred to as a "highway system", a "highway network", or a...

 infrastructure

Infrastructure

Infrastructure is basic physical and organizational structures needed for the operation of a society or enterprise, or the services and facilities necessary for an economy to function...

 development and the management of road-based trade corridor

Trade route

A trade route is a logistical network identified as a series of pathways and stoppages used for the commercial transport of cargo. Allowing goods to reach distant markets, a single trade route contains long distance arteries which may further be connected to several smaller networks of commercial...

s. The total length of the nine highways in the network is 56,683 km.

In some documents the highways are referred to as 'Trans-African Corridors' or 'Road Corridors' rather than highways.