Golden Quadrilateral - India

• Golden Quadrilateral is a network of highways connecting India's four top metropolitan cities, namely Delhi, Mumbai, Chennai and Kolkata, thereby, forming a quadrilateral. 

• The overall length of the quadrilateral is 5,846km consisting of four / six lane express highways.  

• These highways altogether account for just two percent of the country's total road infrastructure but they carry 40% of the total national traffic

"An efficient road network is essential for a large country like India to maintain national integration and socio-economic development." 

• The four legs use the following National Highways:
  • Delhi – Kolkata: NH 2
  • Delhi – Mumbai: NH 8 (Delhi – Kishangarh), NH 79A (Ajmer bypass), NH 79 (Nasirabad –Chittaurgarh), NH 76 (Chittaurgarh – Udaipur), NH 8 (Udaipur – Mumbai)
  • Mumbai – Chennai: NH 4 (Mumbai – Bangalore), NH 7 (Bangalore – Krishnagiri), NH 46(Krishnagiri – Walajapet), NH 4 (Walajapet – Chennai)
  • Kolkata – Chennai: NH 6 (Kolkata – Kharagpur), NH 60 (Kharagpur – Balasore), NH 5 (Balasore – Chennai)