Niger–Nigeria relations on the waters of the Niger River and Lake Chad. Both areas face rapid desertification and increasing demands for water. The two nations are members of the Niger Basin Authority (successor to the 1964 Niger River Commission), the Lake Chad Commission, and the "Niger-Nigeria Joint Committee" has special focus on water and water development issues. The two nations are signatories of The Enugu Agreement (3 December 1977) on common regulations for fauna and flora among the member states of the Lake Chad Basin Commission (Cameroon, Niger, Nigeria and Chad). On 15 January 1990 the two nations signed "The Abuja Agreement"
A3 highway (Nigeria) Gamboru-Ngala Local Government conveying commodities from the two countries are now left stranded on either sides of the bridge. On May 13, 2014, the House of Representatives "called on the Federal Government to rebuild the Gamboru Bridge linking the border town with other parts of Borno State." A3 highway (Nigeria) The A3 highway is a highway in Nigeria. It runs generally north from Port Harcourt through Aba, Umuahia, Okigwe, Enugu, Ngwo, Makurdi, Lafia, Jos, Bauchi and Potiskum thence east via Damaturu, Maiduguri to the border with Cameroon at Gambaru. The continuation through Cameroon connects to N'Djamena, the capital of Chad.