The National Highways has 79,116 km. length comprising only 2 per cent of the total length of roads, carries about 40 percent of the total traffic of India. List contains some of the most important National Highways of India connecting important places.
NH 1: Delhi – Ambala – Amritsar – Indo-Pak Border (456 km)
NH 2: Delhi – Agra – Khanpur – Varanasi – Kolkata (1465 km)
NH 3: Agra – Gwalior – Indore – Nasik – Mumbai (1161 km)
NH 4: Junction with NH3 near Thane – Belgaum – Bangaluru – Ranipet – Chennai (1235 km)
NH 7: Varanasi – Jabalpur – Nagpur – Hyderabad – Bangaluru – Madurai – Kanyakumari (2369 km)
NH 8: Delhi – Jaipur – Ahmedabad – Varodara – Mumbai (1375 km)
NH 9: Pune – Solapur – Hyderabad – Vijayawada – Machhilipatnam (841 km)
NH 15: Pathankot – Amritsar – Bhatinda – Ganganagar – Bikaner – Jaisalmer – Barmer – Samakhiali (1526 km)
NH 22: Ambala – Kalka – Shimla – Rampur – Indo-Tibet (China) Border near Shipki-La (459 km)
NH 24: Delhi – Barailly – Lucknow (438 km)
NH 39: Numaligarh – Imphal – Palel – Indo-Myanmar Border (436 km)
NH 44: Nongstoin and connecting Shillong – Passi Badarpur – Agartala – Sabroom (723 km)
NH 47: Salem – Coimbatore – Trichur – Ernakulam – Thiruvanantapuram – Cape Commorin- Kanyakumari (640 km)
NH 48: Bangaluru – Hassan – Mangaluru (328 km)
NH 49: Kochi – Madurai – Dhanushkodi (440 km)
NH 55: Siliguri – Darjeeling (77 km)
NH 80: Mokamah – Rajmahal – Farakka (310 km)
NH 102: Chhapra – Rewaghat – Muzaffarpur (80 km)
NH 205: Ananthpur – Renugunta – Chennai (442 km)
NH 217: Raipur (Chhattisgarh) – Gopalpur (Odisha) (508 km)
NH 229: Tawang – Bomdila – Ziro – Analong – Pasighat (Arunachal Pradesh) (1090 km)
NH 327 Ext.: Bangaon (Bariyahi Bazar) on NH 107 – Supaul – Pipra (106) – Tribeniganj – Bhargama – Araria – Bahadurganj – Raniganj – Thakurganj – Galgalia (225 km)
NH 947: Sarkhej – Virumgaon – Jamnagar – Dwarka – Okha (461)
NH 953: Vyara (NH6) – Netang – Rajpipla – Bodali (190 km)