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The Chennai Bypass Road is a full-access controlled expressway that interconnects four radial Indian National Highways 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 ...
,
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 ...
covering a distance of from Perungalathur (near Tambaram) on NH-32 to puzhal on NH-16 via Maduravoyal at a cost of 4.05 billion. Constructed as part of the National Highway Development Project to decongest the city of transiting vehicles, the expressway interconnects NH-32, NH-48, 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 Perungalathur on the Grand Southern Trunk Road (NH 32) to Maduravoyal which lies on the
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 ...
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, Pammal, Anakaputhur, Tharapakkam,
Kovur Kovur may refer to: * Kovvur, West Godavari district, a town in West Godavari district, Andhra Pradesh, India *Kovur, Nellore district, a town in Nellore district, Andhra Pradesh, India * Kovur, Prakasam district, a village in Prakasam district, A ...
,
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 earlies ...
, Vanagaram to reach Maduravoyal.


Phase II

The second phase include extending the bypass by from Maduravoyal to Puzhal on the Chennai–
Kolkata Kolkata (, or , ; also known as Calcutta , List of renamed places in India#West Bengal, the official name until 2001) is the Capital city, capital of the Indian States and union territories of India, state of West Bengal, on the eastern ba ...
NH16 and four-laning it. It also includes two interchanges. A clover-leaf grade separator at Maduravoyal Junction 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 ...
. This corridor ends with a Road over bridge (RoB) crossing the
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 ...
Jolarpet 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 ...
at Maduravoyal to connect it with the Chennai Port–Maduravoyal Expressway 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, usin ...
at Puzhal


Gallery

Porur Lake and flyover.jpg, The Porur flyover section of Phase I of the Chennai bypass passing through Porur Lake West Chennai aerial 3.jpg, The expressway passes through the outskirts of Chennai


See also

* Coimbatore bypass


References

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