National Waterway 4 (NW-4) is a 1,095 kilometres (680 mi) long waterway in India. It has been declared as an Indian National Waterway and is currently under development. It connects the Indian states of Telangana, Andhra Pradesh, Tamil Nadu, and the union territory of Puducherry. The NW-4 runs along the Coromandal Coast through Kakinada, Eluru, Commanur, Buckingham Canals and also through part of Krishna and Godavari rivers in South India.