. . "SH-49" . . . . "SH" . "East Coast Road" . . "ECR (East Coast Road)" . . . . . . . . "Upper East Coast Road" . . . . . . . "49" . . . . . . . "East Coast Road (ECR)" . . . . "777000.0" . . . . . . "ECR" . . . . "East Coast Road (Thiruvanmiyur - Mahabalipuram -" . "East Coast Road" .