Evolution of motorway construction in African countries
The first table includes countries that pioneered the construction of motorways in the 20th century Some of the portions of the Trans-African Highways are already at motorway standard. This is a list of African countries and dependent territories sorted by motorways' total length, which is sorted by kilometers built in the 21st century.
Source: Wikipedia — Evolution of motorway construction in African countries (CC BY-SA 4.0)