sentences:  The Chennai neighbourhoods on ECR are Thiruvanmiyur, Kottivakkam, Palavakkam, Neelankarai, Injambakkam, Panaiyur, Uthandi, Muttukadu, Covelong and Vilambur.Prior to its completion, the East Coast Road mainly consisted of village roads.The connecting link then was the Old Mahabalipuram Road (SH-49A) till Mahabalipuram.