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.
Niger–Nigeria relations on control of desertification, promotion of conservation, rational utilization and development of lands, water resources, flora and fauna. "The Maiduguri Agreement", signed on 18 July 1990, and amended 5 October 1998, further deals with development, conservation, and utilization of the water resources of trans–boundary catchments. The Maiduguri Agreement and Abuja Agreement are overseen by the NNJC. Niger–Nigeria relations The Niger–Nigeria relations refers to the current and historical relationship between Niger and Nigeria. Relations are based on a long shared border and common cultural and historical interactions. The 1,500 kilometer (930 mi) long border between Niger to the north and Nigeria