The Chennai Bypass Road is a full-access controlled

expressway Expressway may refer to: * Controlled-access highway, the highest-grade type of highway with access ramps, lane markings, etc., for high-speed traffic. * Limited-access road, a lower grade of highway or arterial road. *Expressway, the fictional s ...

that interconnects four radial

Indian National Highways The National highways in India are a network of trunk roads owned by the Ministry of Road Transport and Highways. National highways have Overpass, flyover access or some Controlled-access highway, controlled-access, where entrance and exit is ...

around

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 ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

covering a distance of from

Perungalathur Perungalathur () is a southern suburb of Chennai, Tamil Nadu, India. A residential locality in southern part of the metropolitan area of Chennai, the town is served by Perungalathur Railway Station of the Chennai Suburban Railway Network. Peru ...

(near Tambaram) on NH-32 to

puzhal Pulhal is a Northwestern residential town in Chennai district in the Indian States and territories of India, state of Tamil Nadu. Pulhal is located on the banks of Pulhal aeri, Pulhal Lake. The town is known for Pulhal Central Prison. The area ...

on NH-16 via

Maduravoyal Maduravoyal is a residential neighbourhood located in the west of Chennai, India. As of 2011, the town had a population of 86,195. Maduravoyal also has a name as "ettam kal" (8th mile), so it could be famous in British Period too, it is exac ...

at a cost of 4.05 billion. Constructed as part of the

National Highway Development Project The National Highways Development Project (NHDP) is a project to upgrade, rehabilitate and widen major highways in India to a higher standard. The project was started in 1998 under the leadership of Prime Minister, Atal Bihari Vajpayee. Nationa ...

to decongest the city of transiting vehicles, the expressway interconnects NH-32,

NH-48 National Highway 48 (NH 48) is a National Highway of India that starts at Delhi and terminates at Chennai traversing through seven states of India. It has a total length of 2807 km (1744 miles). NH 48 passes through the states of Delhi ...

, NH-716 and NH-16. This expressway now forms a part of the circular transportation corridor.

Phases

Phase I

The first phase is six-lane fully access controlled carriageway from

on the

Grand Southern Trunk Road Grand Southern Trunk Road (or) National Highways 45 is an arterial road in Tamil Nadu. It is also known as Chennai–Trichy Highway. The Road starts from Kathipara Junction in St Thomas Mount, Chennai towards Tiruchirappalli. It branches out from A ...

(NH 32) to Maduravoyal which lies on the

–

Bangalore Bangalore (), officially Bengaluru (), is the capital and largest city of the Indian state of Karnataka. It has a population of more than and a metropolitan population of around , making it the third most populous city and fifth most ...

NH-48. A 3-tier trumpet interchange has also been constructed at the starting point at Irumbuliyur. It was inaugurated in April 2008. The Road runs through

Thiruneermalai Thiruneermalai is a southern suburb of Chennai, India. It lies in the Chengalpattu district. Originally a town panchayat, Thiruneermalai is now a part of Pammal Zone under Tambaram Municipal Corporation. The postal code of the neighbourhood ...

Pammal Pammal is a suburban neighbourhood of Chennai, Tamil Nadu, India. It is located 22 kilometers from Chennai Central Railway Station. It is located next to Pallavaram on the western side. It lies on the western side of the Grand Southern Trunk ...

Anakaputhur Anakaputhur is a suburban neighbourhood of the Chennai Metropolitan Area in the Indian state of Tamil Nadu. It is located next to Pammal on the western side. Anakaputhur was once famous for its traditional weaving business, which has declined d ...

, Tharapakkam, Kovur,

Porur Porur () is a neighbourhood of Chennai, India. It is situated in the Maduravoyal taluk of Chennai district in the southern part of the city. Since 2011, it has been a part of the Chennai Corporation and included in zone number 11. The earliest ...

Vanagaram Vanagaram, which is pronounced as Vaanagaram, is a residential neighborhood in Chennai, Tamil Nadu, in India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by ...

to reach

Phase II

The second phase include extending the bypass by from Maduravoyal to Puzhal on the Chennai–

Kolkata Kolkata (, or , ; also known as Calcutta , the official name until 2001) is the capital of the Indian state of West Bengal, on the eastern bank of the Hooghly River west of the border with Bangladesh. It is the primary business, comme ...

NH16 and four-laning it. It also includes two interchanges. A clover-leaf grade separator at

Maduravoyal Junction Maduravoyal Junction is an important junction in Chennai. It is located to the west of Koyambedu Junction at the intersection of National Highway 4 (India) (NH4) and Chennai Bypass. Maduravoyal Grade Separator A Cloverleaf interchange was constr ...

and a trumpet interchange at puzhal where the bypass phase II ends.

Elevated Road

A elevated six-lane corridor forms the part of the Phase II being executed currently. This elevated road cuts through the Industrial Estate in

Ambattur Ambattur is located in northwestern part of Chennai City, in Ambattur taluk of the Chennai District, surrounded by Avadi, Anna Nagar, Padi, Mogappair, Kallikuppam, Surapet, Korattur, Ayappakkam, and Thiruverkadu. It covers an area of . The nei ...

. This corridor ends with a Road over bridge (RoB) crossing the

–

Jolarpet Jolarpettai () is a railway town in Tirupattur district, Tamil Nadu, India. It is a commuter rail hub in Southern Railway. It is 7 km from district Tirupattur and 18 km from Vaniyambadi. As of 2011, the town had a population of 29,6 ...

railway line. The elevated corridor was completed in June 2009 at a cost of 1000 million.

Interchanges

* A 3-tier interchange connecting NH32 at Irumbuliyur. This place is where the bypass begins. * An elevated

cloverleaf interchange A cloverleaf interchange is a two-level interchange in which all turns are handled by slip roads. To go left (in right-hand traffic; reverse directions in left-driving regions), vehicles first continue as one road passes over or under the ...

to connect it with the

Chennai Port–Maduravoyal Expressway The Chennai Port – Maduravoyal Expressway is a long, six lane, double-decker elevated expressway under construction in the city of Chennai, Tamil Nadu, India. The corridor begins at Chennai Port Gate No. 10 and travels along the bank of the ...

and the proposed Maduravoyal–Sriperumbudur dry port expressway. * A

trumpet interchange In the field of road transport, an interchange (American English) or a grade-separated junction (British English) is a road junction that uses grade separations to allow for the movement of traffic between two or more roadways or highways, using ...

at Puzhal

Gallery

Porur Lake and flyover.jpg, The Porur flyover section of Phase I of the Chennai bypass passing through

Porur Lake Porur () is a neighbourhood of Chennai, India. It is situated in the Maduravoyal taluk of Chennai district in the southern part of the city. Since 2011, it has been a part of the Chennai Corporation and included in zone number 11. The earlie ...

West Chennai aerial 3.jpg, The expressway passes through the outskirts of Chennai

References

Chennai HSCTC Roads in Chennai Expressways in Tamil Nadu Ring roads in India {{India-road-stub