North–South and East–West Corridor
The North–South and East–West Corridor is a network of national highways connecting major cities of India. It consists of two highway systems – the North–South highway extending 4,000 km (2,500 mi) from Srinagar in the north to Kanyakumari in the south with a spur to Kochi and the East–West highway extending 3,300 km (2,100 mi) from Silchar in the east to Porbandar in the west.
Source: Wikipedia — North–South and East–West Corridor (CC BY-SA 4.0)