60ᵗʰ to 62ⁿᵈ B.P.S.C. (Pre) 2016
What is the Golden Quadrilateral?
aRail lines joining metros
bMajor Air Routes
cNational Highway Project✓ Correct
dCold Trade Routes
eNone of the above/More than one of the above
Explanation
Under the first phase of the National Highways Development Project, the Golden Quadrilateral connects Delhi, Mumbai, Kolkata, and Chennai. Its total length is 5,846 km. The North–South Corridor connects Srinagar with Kanyakumari, while the East–West Corridor connects Silchar with Porbandar.
general-geography