Explain the term ‘Golden Quadrilateral’.

● The ‘Golden Quadrilateral’ is a high-density corridor.

● It is 5846 km long and has a 4/6 lane.

● It connects the four metropolitan cities of India - Delhi, Chennai, Mumbai and Kolkatta.

● This has been a very successful project as it has reduced the cost and time involved in the movement of people and goods among these cities.