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14 Unknown Facts About Indian National Highway System

A road trip is always fantastic in India with family and friends. Check out the top 10 unknown facts about the Indian National Highway system in this article.

Unknown Facts About Indian National Highway System
Unknown Facts About Indian National Highway System

Driving at high speed on a smooth Indian National Highway is always fun. It always adds some memories to life. There are many Dhaba and restaurant side by Indian National Highway, which make a more romantic and memorable road trip. The National Highways Authority of India (NHAI) and the National Highways and Infrastructure Development Corporation Limited (NHIDCL) are the nodal agencies responsible for building, upgrading, and maintaining most of the National Highways network.

The National Highways Authority of India was established by the National Highways Authority of India Act 1988. National Highways and Infrastructure Development Corporation Limited started functioning w.e.f. 18 July 2014.

List of 14 Unknown Facts About the Indian National Highway System

1. The longest national highway in India is NH 44(previously NH7), which is 4,112 km long. The highway starts from Jammu and Kashmir and ends at Kanyakumari. It passes states like Himachal Pradesh, Punjab, Haryana, Delhi, Uttar Pradesh, Madhya Pradesh, Maharashtra, Telangana, Andhra Pradesh, and Karnataka, and ends in Tamil Nadu.

2. The shortest national highway in India is NH 966 B, previously known as NH 47A. It is the shortest national highway in India which covers the distance of 8 km between Kundanoor and Willingdon Island in Kochi, Kerala.

3. National Highways constituted 3.5% of India’s total road network but carried about 45% of road traffic.

4. The total length of the National Highway in India is 1,70,650 km till June 2023.

5. State-wise, Maharashtra has the maximum length of National Highway in India of 18776 km.

6. India has the second largest road network in the world, which comprises 40% of national highways.

7. On average, every day, 12 km of Indian National Highway are built.

8. State-wise, Goa has the minimum length of National Highway in India of 295 km.

9. Union Territory wise, Andaman and Nicobar Islands has the maximum length of National Highway in India of 335 km.

10. Union Territory-wise, Lakshadweep has the minimum length of National Highway in India of 0 km.

11. World’s second-highest motorable highway is the Leh-Manali highway which connects Shimla to Leh in Ladakh. It is the world’s second-highest motorable highway.

12. The National Highways Authority of India is responsible for building and maintenance of the national highway network.

13. Yellow and white colour milestones on the road proved that it was a National Highway.

14. Liquor shops and bars are not allowed to run along any Indian National Highway.

State-wise length of Indian National Highway

Andaman and Nicobar Islands331
Andhra Pradesh7340
Arunachal Pradesh2537
Assam3936
Bihar5421
Chandigarh15
Chhattisgarh3620
Delhi157
Goa299
Gujarat7744
Haryana3237
Himachal Pradesh2607
Jammu and Kashmir2423
Jharkhand3367
Karnataka7412
Kerala1782
Madhya Pradesh8941
Maharashtra17931
Manipur1750
Meghalaya1156
Mizoram1423
Nagaland1548
Odisha5897
Puducherry64
Punjab4099
Rajasthan10350
Sikkim709
Tamil Nadu6858
Telangana3974
Tripura854
Uttar Pradesh11831
Uttarakhand3106
West Bengal3665

Top 10 Longest Indian National Highway

S.NoLongest National Highways in India 2023Distance (in km)Start Point and End Point
1NH 44(Old NH 7)3,745Srinagar to Kanyakumari
2NH 273,507Porbandar in Gujarat to Silchar in Assam
3NH 48(Old NH 8)2,807Delhi to Chennai
4NH 522,317Sangrur, Punjab to Ankola, Karnataka
5NH 30(Old NH 221)2,040Sitarganj in Uttarakhand to Ibrahimpatnam in Andhra Pradesh.
6NH 61,873Jorabat in Meghalaya and terminatesat Selling in Mizoram
7NH 531,781Hajira in Gujarat andPradip port in Odisha
8NH 16(Old NH 5)1,711East coast of West Bengalto Chennai in Tamil Nadu
9NH 66(Old NH 17)1,622Panvel and terminatesat Kanyakumari
10NH 19(Old NH 20)1,435Delhi to Kolkata

How Indian National Highway Are Named?

  • North-South highways will carry even numbers.
  • East-West highways will carry odd numbers.
  • Single-digit or double-digit numbers will be given to all major highways.
  • North-South highways will increase from east to west in number.
  • Three-digit numbers high waves are secondary roots of the main highway.
  • Suffixes like A, B, C, or D are added to 3-digit sub-highways to indicate small spin-off stretches of sub-highways.

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