Ecr Road is a two-lane highway connecting the capital of the Bay of Bengal, Chennai to Kanyakumari. It is connected to the East Coast Road by SH-45, NH-332A, and NH-32.Ecr Road is a two-lane highway connecting the capital of the Bay of Bengal, Chennai to Kanyakumari. It is connected to the East Coast Road by SH-45, NH-332A, and NH-32.