Golden Quadrilateral

Common card · No. 203547

The Golden Quadrilateral (Hindi: Svarnim Chaturbhuj; abbreviated GQ) is a network of national highways connecting major cities of India. It roughly forms a quadrilateral with major cities – Delhi (north), Kolkata (east), Mumbai (west) and Chennai (south) forming the termini. Stretching 5,846 km (3,633 mi), it is one of the longest roads in the world. The project was part of the first phase of the National Highways Development Project executed by the Government of India. The roads were constructed and are maintained by the National Highway Authority of India under the purview of the Ministry of Road Transport and Highways. The road system consists of access controlled four or six-lane highways, built at a cost of ₹324.9 billion (equivalent to ₹1.5 trillion or US$16 billion in 2026). The project was launched in 1999, and completed in 2012.

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