Chennai ring roads map
Main thread link
http://www.skyscrapercity.com/showthread.php?t=617861
Inner Ring road - 43KM - Completed - southern arm u/c
By-pass expressway - 32KM - Completed
Outer ring road - 80KM with extension to ECR - U/C
Super ring road or Peripheral ring road - 162KM - Planned
The Inner Ring Road (IRR) (Jawaharlal Nehru Road) is a major transportation corridor being developed in Chennai Metropolitan Area (CMA) by the Chennai Metropolitan Development Authority (CMDA). It is approximately 35 km long with three distinct arms viz., Northern arm, Central arm and Southern arm, connecting IT corridor at SRP tools in Tiruvanmiyur,Velachery main road at Vijayanagar NH 45 at Kathipara, NH 4 at Koyambedu, NH 205 at Padi, NH 5 at Madhavaram and joins SH 104 (TPP Road) near Manali
Total distance – 43KM
http://en.wikipedia.org/wiki/Inner_Ring_Road,_Chennai
IRR -southern arm
Chennai by-pass expressway
Chennai Outer ring road u/c
Main thread link
http://www.skyscrapercity.com/showthread.php?t=617861
Inner Ring road - 43KM - Completed - southern arm u/c
By-pass expressway - 32KM - Completed
Outer ring road - 80KM with extension to ECR - U/C
Super ring road or Peripheral ring road - 162KM - Planned

The Inner Ring Road (IRR) (Jawaharlal Nehru Road) is a major transportation corridor being developed in Chennai Metropolitan Area (CMA) by the Chennai Metropolitan Development Authority (CMDA). It is approximately 35 km long with three distinct arms viz., Northern arm, Central arm and Southern arm, connecting IT corridor at SRP tools in Tiruvanmiyur,Velachery main road at Vijayanagar NH 45 at Kathipara, NH 4 at Koyambedu, NH 205 at Padi, NH 5 at Madhavaram and joins SH 104 (TPP Road) near Manali
Total distance – 43KM
http://en.wikipedia.org/wiki/Inner_Ring_Road,_Chennai

IRR -southern arm


Chennai by-pass expressway

Chennai Outer ring road u/c