Golden Quadrilateral and Super Highways: The Golden Quadrilateral is a project with 4 to 6 lane roads. It was started in 1999. This highway network connect major cities as well as cultural and industrial centres of the country. It links Delhi – Jaipur – Ahmedabad – Surat – Mumbai – Pune – Bengaluru – Chennai – Visakhapatnam – Bhubaneswar – Kolkata – Allahabad – Kanpur – Delhi.
The Super Highways are divided into two division:(a) The North-South corridor which runs from Srinagar to Kanyakumari and (b) The EastWest corridor which runs from Silchar in Assam to Porbandar in Gujarat. They also connect many important cities, industrial centres, and ports. The construction and maintenance of these roads is under the control of National Highways Authority of India (NHAI).
