Outer Ring Road, Patna
The Outer Ring Road is a proposed 140 kilometer, 6-lane ring road expressway encircling the capital city of Patna, Bihar, India. == History == The area of Patna SCR (State Capital Region) will be spread over three districts of Patna, Vaishali and Saran district with this 4/6 lane highway project which has a length of 140 km and cost of 4800 crore.