National Highway 16 (NH 16) is a major highway in India that runs along the eastern coast. It stretches from Kolkata in the north to Chennai in the south, covering a distance of approximately 1,200 kilometers. This highway is part of the National Highways Development Project and plays a crucial role in connecting several important cities and states. NH 16 passes through key states such as West Bengal, Odisha, Andhra Pradesh, and Tamil Nadu. It facilitates trade and transportation, enhancing economic activities in the region. The highway also provides access to various tourist destinations along the coast, making it vital for both commerce and tourism.