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, also known as Madras (List of renamed places in India#Tamil Nadu, its official name until 1996), is the capital city, capital and List of cities in Tamil Nadu by population, largest city of Tamil Nadu, the southernmost states and ...

. It was developed by the

Chennai Metropolitan Development Authority The Chennai Metropolitan Development Authority (CMDA) is the urban planning agency of Chennai in the Indian state of Tamil Nadu. The CMDA administers the Chennai Metropolitan Region, spread over an area of and covers the districts of Chennai ...

(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 state with Mahabalipuram in Chengalpattu district, in the same state. It is 45&nb ...

) in

Tiruvanmiyur Thiruvanmiyur is a largely residential neighborhood located 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 Park, T ...

, 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 after the inauguration of the Koyambedu market in 1996 and the Chennai Mofussil Bus ...

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 near Chandigarh. It passes through Ropar and Kiratpur ...

at Padi, NH 5 at Madhavaram and joining 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 Redhill ...

. 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, Chennai, Inner Ring Road and ...

and NH 205 at

. The northern and central arms together form 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 The Officers Training Academy (OTA) is a training establishment of the Indian Army that trains officers for the Short Service Commission (SSC). The 49-week course at the OTA prepares graduates for all branches of the Army, except for the Army Me ...

before ending at Kathipara Junction. The Chennai RBTW 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

Details of the corridor

See also

References