India has one of the largest road networks in the world (48 lakh km approx). It consists of National highways, State highways; major/other district roads and rural roads.
- NH 44 (3745 km) is the longest highway of India.
- NH 548, 118 is the smallest highway of India.(Length 5-5 km)
- The North-South and East-West Corridor (NS-EW) is the largest ongoing expressway project in India. It is the second phase of the National Highways Development Project (NHDP) and involves building 7300 km of six lane expressway connecting Srinagar, Kanyakumari, Porbandar and Silchar.
- NS-EW Corridor intersect at Jhansi.
- Maharashtra has the maximum length of surface roads in India.
| NH | Connects |
| NH1 | New Delhi-Ambala-Jalandhar- Amritsar |
| NH 1 A | Leh to Kashmir through Zozila Pass. |
| NH 2 | Delhi-Mathura-Agra-Kanpur-Allahabad-Varanasi-Kolkata |
| NH 3 | Agra-Gwalior-Nasik-Mumbai |
| NH 4 | Thane and Chennai via Pune and Bengaluru |
| NH 5 | Kolkata-Chennai |
| NH 6 | Kolkata-Dhule |
| NH 7 | Varanasi-Kanyakumari (2369 km) |
| NH 8 | Delhi-Mumbai (via Jaipur, Vadodra and Ahmedabad) |
| NH 9 | Mumbai-Vijaywada |
| NH 10 | Delhi-Fazilka |
| NH 24 | Delhi-Lucknow |
| NH 26 | Jhansi-Lakhnadon |