Civil war crippled the development of transport infrastructure; in 1987, Chad had only of paved roads. Successive road rehabilitation projects improved the network"Chad Poverty Assessment: Constraints to Rural Development" (PDF). World Bank. 21 October 1997. to by 2004. Lettre d'information (PDF). Délégation de la Commission Européenne au Tchad. N. 3. September 2004 Nevertheless, the road network is limited; roads are often unusable for several months of the year. With no railways of its own, Chad depends heavily on Cameroon's rail system for the transport of Chadian exports and imports to and from the seaport of Douala.Chowdhury, Anwarul Karim & Sandagdorj Erdenbileg (2006); . New York: United Nations.
