The Inner Ring Road (IRR), also known as Jawaharlal Nehru Salai or 100-Feet road or State Highway 2, is a major transportation corridor encircling the city of

Chennai Chennai (, ), formerly known as Madras ( the official name until 1996), is the capital city of Tamil Nadu, the southernmost Indian state. The largest city of the state in area and population, Chennai is located on the Coromandel Coast of th ...

. It was developed by the

Chennai Metropolitan Development Authority The Chennai Metropolitan Development Authority (CMDA), formerly known as the Madras Metropolitan Development Authority (MMDA), is the nodal planning agency of Chennai in the Indian state of Tamil Nadu. The CMDA administers the Chennai Metropol ...

(CMDA). It is 25.2 km long with three distinct arms viz., Northern arm, Central arm and Southern arm, connecting SH 49A (

Rajiv Gandhi Salai State Highway 49A (SH-49A) also known as Rajiv Gandhi Salai and Rajiv Gandhi IT Expressway or just IT Expressway is a major road connecting Chennai, Tamil Nadu with Mahabalipuram in Chengalpattu district, Tamil Nadu. It is 45 km long and ...

) in

Tiruvanmiyur Thiruvanmiyur is a largely residential neighborhood in the south of Chennai, Tamil Nadu, India. Thiruvanmiyur witnessed a spike in its economy with the construction of Chennai's first dedicated technology office space, the Tidel Information Te ...

, Velachery main road at Vijayanagar, NH 32 (GST road) at Kathipara, NH 4 at

Koyambedu Koyambedu is a neighbourhood in Chennai, India. Situated in the western part of Chennai city, the Koyambedu area has become a major hub of activity in Chennai City after the inauguration of the Koyambedu market in 1996 and the Chennai Mofussil ...

NH 205 National Highway 205 commonly referred to as NH 205, is a highway in India. The highway passes through the Indian states of Himachal Pradesh and Punjab. Route The highway starts at Kharar, SAS Nagar, Kharar near Chandigarh. It passes through R ...

at Padi, NH 5 at

Madhavaram Madhavaram may refer to: Places in South India Andhra Pradesh * Madhavaram, Kukkunoor, a village in Kukkunoor Taluk, Eluru district * Madhavaram, Tadepalligudem, a village in Tadepalligudem mandal Tadepalligudem mandal is one of the 19 mand ...

and joins SH 104 (TPP Road) at Manali.

Details of the corridor

The IRR is a 6 lane road with three arms. The northern arm of IRR starts from

Padi Junction The Padi Lucas Junction is the intersection of NH 205 ( Madras-Tiruvallur High Road) and Inner Ring Road in the city of Chennai and is one of the most important junctions in the city. It is located in Anna Nagar north of Koyambedu Junction. An ...

and joins SH 104 (TPP) near Manali. It connects NH5 at

Madhavaram Junction Madhavaram Junction, also known as Madhavaram Bypass, is an important junction in the city of Chennai, India. It is located in Madhavaram to the north of Maduravoyal Junction at the intersection of Chennai Bypass and NH 5. It leads to Redhil ...

. The central arm extends from Kathipara Junction and ends at

. It connects NH 32 at Kathipara Junction, NH4 at

Koyambedu Junction Koyambedu Junction, also called the Koyambedu Roundtana, is an important road junction in Chennai, Tamil Nadu, India. It is located north of the Chennai Mofussil Bus Terminus at the junction of the Inner Ring Road and the Poonamallee High Ro ...

and NH 205 at

. The northern and central arms together forming the State Highway 2. The southern arm of IRR extends from IT corridor in the form of Taramani Link Road and joins NH 32 at Officers Training Academy before ending at Kathipara Junction. The

Chennai RBTW :''See also Chennai BRTS, another planned bus transit system.'' The Chennai Rapid Bus Transit Ways (RBTW) is a part of the Medium-term and Long-term Transport Scheme proposed in the Second Master Plan by the Chennai Metropolitan Development Au ...

is being planned along the Taramani Link Road.

References

{{Transport in Tamil Nadu Roads in Chennai Urban road transit in Chennai Ring roads in India