Chennai Bypass

Chennai Bypass
Route information
Maintained by National Highways Authority of India (NHAI)
Length:	32 km (20 mi)
History:	Completed in 2010
Major junctions
From:	Tambaram
To:	Madhavaram
Location
Major cities:	Maduravoyal
Highway system
Chennai HSCTC
Indian Road Network National • Expressways • State

The Chennai Bypass (Tamil: சென்னை புறவழிச்சாலை) is a full-access controlled expressway that interconnects four radial Indian National Highways around Chennai, India covering a distance of 32 km (20 mi) from Tambaram to Madhavaram via Maduravoyal at a cost of INR 4,050 million. Constructed as part of the National Highway Development Project to decongest the city of transiting vehicles, the expressway interconnects NH45, NH4, NH205 and NH5. This expressway now forms a part of the circular transportation corridor.

Phases

Phase I

The first phase is 19 km (12 mi) six lane fully access controlled carriageway from Tambaram on the Grand Southern Trunk Road (NH 45) to Maduravoyal which lies on the Chennai - Bangalore NH4. A 3-tier interchange has also been constructed at the starting point at Irumbuliyur. It was inaugurated in April 2008.

Phase II

The second phase include extending the bypass by 13 km (8.1 mi) from Maduravoyal to Madhavaram on the Chennai - Kolkata NH5 and four-laning it. It also includes 2 interchanges. A clover-leaf grade separator at Maduravoyal Junction and a trumpet interchange at Madhavaram where the bypass phase II ends.

Elevated Corridor

A 3.2 kilometres (2.0 mi) elevated six lane corridor forms the part of the Phase II being executed currently. This elevated road cuts through the Industrial Estate in Ambattur. This corridor ends with a Road over bridge (RoB) crossing the Chennai - Jolarpet railway line. The elevated corridor was completed in June 2009 at a cost of INR 1000 million.

Interchanges

Main articles: Maduravoyal Junction, Madhavaram Junction, and Irumbuliyur Junction

• A 3-tier interchange connecting NH45 at Irumbuliyur. This is where the bypass begins.
• An elevated cloverleaf interchange at Maduravoyal to connect it with the Chennai Port - Maduravoyal Expressway and the proposed Maduravoyal - Sriperumbudur dry port expressway.
• A trumpet interchange at Madhavaram

Chainage

NH	Junction	Length (km)	Coordinates
NH 45	Tambaram	0	12.9173°N 80.1012°E / 12.9173; 80.1012
NH 4	Maduravoyal	19.17	13.0613°N 80.1607°E / 13.0613; 80.1607
NH 205	Ambattur
NH 5	Madhavaram	32.17

Gallery

Chennai Bypass, Chennai HSCTC Irumbuliyur — Madhavaram
Legend 0 Irumbuliyur Junction(Connection with NH45) Adyar River Porur lake 19Maduravoyal Junction(Connection with PMEE) Pattravakkam RoB 32 Madhavaram Junction(Connection with NH5)

The Porur flyover section of Phase I of the Chennai bypass passing through Porur Lake

The expressway passes through the outskirts of Chennai

References

• [1] PIB Foundation stone for Phase II of Chennai Bypass