Transport in Chad the direction of Kousseri, Cameroon, near N'Djamena. Expansion of the road towards Cameroon through Pala and Léré is reportedly in the preparatory stages. Most rivers flow but intermittently. On the Chari, between N’Djamena and Lake Chad, transportation is possible all year round. In September and October, the Logone is navigable between N’Djamena and Moundou, and the Chari between N’Djamena and Sarh. Total waterways cover 4,800 km (3,000 mi), of which 2,000 km (1,250 mi) are navigable all year. Chari and Logone Rivers are navigable only in wet season (2002). Both flow northwards, from the south of Chad, into Lake Chad.
Chad–Nigeria relations the 1980s. Most religious violence was domestic in origin, but Nigerian police arrested a few Libyans, and Nigerian apprehension of Libyan infiltration through Chad intensified. Nigeria's 1983 economic austerity campaign also produced strains with neighboring states, including Chad. Nigeria expelled several hundred thousand foreign workers, mostly from its oil industry, which faced drastic cuts as a result of declining world oil prices. At least 30,000 of those expelled were Chadians. Despite these strains, however, Nigerians had assisted in the halting process of achieving stability in Chad, and both nations reaffirmed their intention to maintain close ties. In May 2014, in