Mount-Poonamallee Road

St. Thomas Mount-Poonamallee Road, popularly known as the Mount-Poonamallee Road (SH-55), is an arterial road in the city of Chennai, India. It runs for 11 kilometres from Kathipara Junction to the NH 4 highway connecting St. Thomas Mount with the suburb of Poonamallee. A 5-kilometre stretch of the Mount-Poonamallee Road is located in the Alandur taluk of Chennai district, part of Maduravoyal Taluk in Chennai district and the remainder in the Poonamallee taluk of Thiruvallur district.

Features
The road is divided into two sections. The first section from St. Thomas Mount to Nandambakkam, covering a distance of one kilometre, is narrower than the rest of the stretch and is known as Butt Road.

Places transversed

 * St. Thomas Mount
 * Nandambakkam
 * Ramapuram
 * Manapakkam
 * Mugalivakkam
 * Porur
 * Iyyappanthangal
 * Kattupakkam
 * Karayanchavadi
 * Kumananchavadi
 * Poonamallee