India is the seventh largest nation in the world in terms of area. which has an area of 3.287 million km². The most part of this area is land and desert. To connect such a large country for traveling can only be achieved by roads. To make traveling possible through the country. Indian Government has constructed 92,851.05 km of roads and this number is growing day by day. Indian national highway system connects each and every major city with each other.
National highways are numbered to take track of them. This highway network is very large and complex, hence need maintenance time to time. this maintenance work is carried out by the National Highway Authority Of India (NHAI), which works under the Ministry of Road Transport and Highways.
1. NH 44
NH 44 which was previously called as NH 7 is the longest National Highway in India. It has a length of 3,745 kilometers and it connects many important cities with each other. This Highway was made by Central Public Works Department and still, it is maintained by the same department. It starts from North India, particularly speaking in Srinagar in Jammu and Kashmir and ends in Kanyakumari in Tamil Nadu which is also called the southmost point of the Indian peninsula. This highway in India runs through 12 states which include states of Jammu & Kashmir, Punjab, Haryana, Delhi, Uttar Pradesh, Madhya Pradesh, Maharashtra, Telangana, Andhra Pradesh, Karnataka, and Tamil Nadu.
2. NH 27
NH 27 is spanned over a distance of 3,507 km, which makes it the second longest highway in India. While NH 44 runs from North to South it runs from west to east. It starts from Porbandar which is in Gujarat and goes to Silchar in Assam. The NH 27 runs through seven states which include Gujarat, Rajasthan, Maharashtra, Chhattisgarh, Orissa, Jharkhand, West Bengal and, Assam. Some major cities connected by National Highway 27 are Surat, Amravati, Nagpur, Bhandara, Durg, Raipur, Mahasamund, Sambalpur, Kharagpur, and Kolkata.
3. NH 48
NH 48 is another large Indian highway which has a distance of 2,807 km making it the third longest in India. It also connects north to south. It connects two major cities with each other. It starts from New Delhi and terminates in Chennai. It was previously known as NH 4 and NH 8. Currently, Delhi-Gurugram expressway, Jaipur-Kishangarh expressway, and the Western Expressway are its parts. It runs from seven states and connects Delhi, Haryana, Rajasthan, Gujarat, Maharashtra, Karnataka, and Tamil Nadu. Some other major cities in its path are Jaipur, Ajmer, Kishangarh, Chittorgarh, Udaipur, Ahmedabad, Vadodara, Vapi, Ankleshwar, Surat, Mumbai, Thane, Pune, Satara, Kolhapur, Belgaum, Bengaluru, and Vellore.
4. NH 52
NH 52 is 2,317 km long making it the fourth longest in India. It also runs from North to South. It begins from Sangrur, which is a city in Punjab and ends at Ankola, which is located in Karnataka. This highway is connected to NH 7 and NH 66. This national highway runs through six states that include Punjab, Haryana, Rajasthan, Madhya Pradesh, Maharashtra, and Karnataka. Some major cities that are connected by NH 52 are Jaipur, Tonk, Bundi, Talera, Kota, Jhalawar, Aklera, Rajgarh, Biora, Dewas, Indore, Chalisgaon, Aurangabad, Osmanabad, Bijapur, Hubli, and Ankola.
5. NH 30
Nh 30 was previously known by the name of NH 221. It has a length of 2,040 km making it the fifth-longest national highway in India. It starts from Sitarganj, which is a town in Uttarakhand and terminates at Ibrahimpatnam, which is located in Andhra Pradesh. It is connected with NH 9 and 65. It connects 8 states in its way, which are Uttarakhand, Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Andhra Pradesh, and Telangana. Some major cities falling in its way are Lucknow, Raebareli, Paryagraj, Rewa, Katni, Jabalpur, Mandla, Raipur, Dhamtari, Keskal, Jagdalpur, Konta, Bhadrachalam, Kottagudem, Tiravuru, Mailavaram, and Kondapalle.
6. NH 6
NH 6 is 1,873 km long and is the sixth longest national highway in India. It runs in North-East India and is also called as the backbone of Northeast. It is connected with NH 44, NH 37, NH 2, NH 54, NH 53, NH 40, and NH 154. It connects three states of the northeast with each other, which are Meghalaya, Assam, and Mizoram. Some major cities coming in its way are Jorabat, Shillong, Badarpur, Panchgram, Kolasib, Aizawl, and Seling. This highway offers a very beautiful view of northeastern mountains.
7. NH 53
National highway 53 is 1,781 km making it the seventh-longest highway in India. It begins from Hajira in Gujarat and ends in Paradip which is a port in Odisha. It is also a part of Asian Highway 46. It connects the states of Gujarat, Maharashtra, Chhattisgarh, and Odisha. The cities that it connects include Surat, Uchchhal, Dhule, Jalgaon, Nashirabad, Bhusawal, Akola, Amravati, Nagpur, Raipur, Arang, Saraipali, Bargarh, Sambalpur, Deogarh, Dubri, Chandhikhol, Haridaspur, and Paradip Port.
8. NH 16
NH 16 has a length of 1,711 km. It connects east to south and biggins from Kolkata in the east and terminates in Chennai in the south. It was previously called as NH 5 and was a part of “Golden Quadrilateral” project. But now it is under “National Highways Development Project”. It passes through four states West Bengal, Odisha, Andhra Pradesh, and Tamil Nadu. except for Chennai and Kolkata, some major cities connected to it are Kharagpur, Baleshwar, Cuttack, Bhubaneshwar, Berhampur, Vishakhapatnam, Vijayawada, and Guntur.
9. NH 66
NH 66 was previously known as National Highway 17. It runs in South India and connects 1,622 kilometers. It starts from Panvel, which is located in Maharashtra and terminates in Kanyakumari, which is the southernmost point of the Indian peninsula. It runs from 5 states, which are Maharashtra, Goa, Karnataka, Kerala, and Tamil Nadu. There are numerous cities on its way some of them are Kasaragod, Taliparambu, Kannur, Thalassery, Vatakara, Payyoli, Koyilandi, Kozhikode, Feroke, Ramanattukara, Tirurangadi, Kottakkal, Valanchery, Ponnani, Chavakkad, Kodungallur, North Paravur, and Kochin. This national highway offers magnificent views of the Arabian Sea and the Western Ghats.
10. NH 19
NH 19 was previously called as National Highway 2. It has a total length of 1,435 km. It connects Delhi to Kolkata. It runs from states of Delhi(Union territory), Haryana, Uttar Pradesh, Bihar, Jharkhand, and West Bengal. Some major cities on its way are Faridabad, Palwal, Mathura, Agra, Firozabad, Etawah, Babarpur Ajitmal, Auraiya, Kanpur, Fatehpur, Allahabad, Varanasi, Mughalsarai, and Aurangabad. It is also a part of the Asian Highway Network.