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Golden Quadrilateral
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Golden Quadrilateral

Highway map of India with the Golden Quadrilateral highlighted in solid blue colour Route information
Maintained by NHAI
Length: 5,846 km (3,633 mi)
Delhi – Kolkata
Length: 1,453 km (903 mi)
Major
junctions: NH 2
Delhi – Mumbai
Length: 1,419 km (882 mi)
Major
junctions: NH 8, NH 79A, NH 79, NH 76
Mumbai – Chennai
Length: 1,290 km (800 mi)
Major
junctions: NH 4, NH 7, NH 46
Kolkata – Chennai
Length: 1,684 km (1,046 mi)
Major
junctions: NH 6, NH 60, NH 5
Highway system

Indian Road Network

National
Expressways
State

A section of the Golden Quadrilateral highway from Chennai – Mumbai phase NH46: Bengaluru-Chennai section of India's 4-lane Golden Quadrilateral highway NH5 - another section of India's GQ highway

NH6: Chennai-Kolkata section of the GQ highway
Kolkata-Delhi section of India's GQ highway
NH76: Delhi-Mumbai section of India's GQ highway

The Golden Quadrilateral is a highway network connecting many of the major industrial, agricultural and cultural centres of India. A quadrilateral of sorts is formed by connecting Delhi, Mumbai, Kolkata and Chennai, and hence its name. Other cities among the top ten metropolises namely Bengaluru, Pune, Ahmedabad, Jaipur, Kanpur and Surat are also connected by the network.

The largest highway project in India and the fifth longest in the world[citation needed], it is the first phase of the National Highways Development Project (NHDP), and consists of building 5,846 km (3,633 mi) four/six lane express highways at a cost of INR600 billion (US$10 billion).[1] The project was launched in 2001 by Atal Bihari Vajpayee under the NDA government, and was planned to complete in January, 2012.[2]

The vast majority of the Golden Quadrilateral (GQ) is not access controlled, although safety features such as guardrails, shoulders, and high-visibility signs are...