| The total length of National Highways is 1,40,152 km. (Aug 2021) |
| The total length of road network in India as on 31.03.2021 is 62,15,797 km. (National Highways – 1,36,440, State Highways – 1,76,818 and other roads 59,02,539 km) |
| The road network in India is the second in the world. First position is held by USA. |
| The maximum length of National Highways is in Maharashtra – 18,317 km |
| About 65% of freight and 80% passenger traffic is carried by the roads. |
| North South corridor connects Srinagar to Kanyakumari (including a spur from Salem to Kochi) and has a length of 4000 km. |
| East-West corridor connects Silchar to Porbandar and has a length of 3300 km. |
| Jhansi is the junction of North–South and East–West Corridors. |
| Grand Trunk Road |
| The Grand Trunk road connects Sonargaon in Bangladesh with Kabul in Afghanistan. |
| It was initiated by Mauryan Emperor Chandragupta Maurya and later renovated and extended by Sher Shah Suri. |
| Golden Quadrilateral |
| The Golden Quadrilateral connects the four metro cities, Delhi, Kolkata, Chennai and Mumbai. |
| The total length of the road is 5,846 km. |
| The maximum distance between two metros is between Kolkata and Chennai – 1684 km. |
| The maximum length of the Golden Quadrilateral passes through Andhra Pradesh – 1014 km. |
