Explanation : The North-South-East-West Corridor (NS-EW) is the largest ongoing highway project in India. It is the second phase of the National Highways Development Project (NHDP), and consists of building 7300 kilometers of four I six lane expressways connecting Srinagar, Kanyakumari, Porbandar and Silchar, at a cost of US$ 12.317 billion. North-South Corridor (4.000 kilometres (2.500 mil)) : NH 1A (Srinagar-Jalandhar), NH 1 (Jalandhar-Delhi), NH 2 (Delhi-Agra), NH 3 (Agra-Gwalior), NH 75 (Gwalior-Jhansi), NH 26 (Jhansi-Lakhnadon), NH 7 (Lakhnadon-Nagpur-Hyderabad-Bangalore-Madurai-Kanyakumari), NH 47 (Salem-Coimbatore-Kochi). The following four stretches are common between the Golden Quadrilateral and the NS-EW Corridors: (a) Delhi-Agra: Golden Quadrilateral & North-South Corridor; (b) Bangalore-Krishnagiri: Golden Quadrilateral & North-South Corridor; (c) Akbarpur-Kanpur: Golden Quadrilateral & East-West Corridor; (d) Udaipur-Chittorgarh: Golden Quadrilateral & East-West Corridor. ....Read more