This revised map shows paved roads through Maaritania, Egypt to Sudan, Nigeria to Cameroon.
Rexparry sydney
CC BY 2.5
<a href="//commons.wikimedia.org/wiki/File:Cairo-Dakar_Highway_map.PNG" title="File:Cairo-Dakar Highway map.PNG">File:Cairo-Dakar_Highway_map.PNG</a> - modified