we see Longest National Highways in india, the information about the most significant state highways in India and also Golden Quadrilateral Project – LONGEST NATIONAL HIGHWAYS IN INDIA has been explained in detail and in a simple way. National highways 44, 27, 48, 52, 30, 6, 53, 16, 66, and 19 have been given information about the length of each highway and the state through which the highway passes. 

Advantages and Disadvantages Longest National Highway in india

Advantage of highways

  1. Less investment
  2. Door-to-door service
  3. Accessibility to rural area
  4. Suitable for short-distance
  5. Two or more states are easy to connect
  6. Easy to transport and travel
  7. Flexible service
  8. Laser risk of damage

Disadvantage of Highway

  1. Vulnerability to season and weather
  2. Breakdown and accident – prone
  3. Heavy Cargo and not suitable for long-distance
  4. Slow
  5. Organization and lack of structure


National Highway (NH 4) in india

NH 4

-The length of this National Highway 4 is 1235 km.

-The Highway connects two highways namely Mumbai and Chennai.

-This highway passes through four states in total.

The following states are namely

  1. Maharashtra – 371 km
  2. Karnataka – 658 km
  3.  Andhra Pradesh – 83 km
  4.  Tamil Nadu – 133 km

-This highway is a highway made up of the most significant and most smaller highways.

-This highway starts from Mumbai Maharashtra to Chennai Tamil Nadu and ends.

-This highway passes through Mumbai Pune Kolhapur Belgaum Hubli Bangalore Chennai.

National Highway (NH44 ) in india


-National Highway 44 is a highway from Srinagar to Kanyakumari.

– National Highway is the largest national highway in India.

–  The length of the National Highway is about 3745 km.

-This National Highway passes through a total of 11 states.

-This National Highway passes through the following eleven states.

  1.   Jammu and Kashmir
  2. Punjab
  3.  Haryana,
  4. Delhi,
  5. Uttar Pradesh,
  6. Madhya Pradesh
  7. Maharashtra
  8. Telangana,
  9. Andhra Pradesh
  10.  Karnataka
  11. Tamil Nadu.

– National Highway 44 was more popularly known as National Highway Seven.

– National Highway 44 is combined with small 7 highways.

– Eg- NH7,NH26,NH75,NH3,NH2,NH1,NH1A.

National Highway (NH27) in india


-National Highway 27 runs from Purandar in Gujarat to Silchar in Assam.

-The length of National Highway 27 is approximately 3507 km.

– National Highway 27 is the second largest highway in India.

-This National Highway passes through seven states in total.

The seven states are following

  1. Gujarat
  2. Rajasthan
  3. Madhya Pradesh
  4. Bihar
  5. West Bengal
  6. Uttar Pradesh
  7.  Assam.

National Highway (NH48) in india


-National Highway 48 is a highway from Delhi to Chennai.

–  This National Highway is important in the country.

-National Highway 48 passes through Khantabi Ghat.

–  There is a ghat between Pune and Satara in Maharashtra through which the National Highway passes.

–  National Highway 48 is a six-lane highway with three inner lanes and three outer lanes.  -This National Highway is very dangerous as it passes through Ghat.

– The length of this National Highway is 2807 km.

National Highway (NH52) in india


-National Highway 52 starts from Highway and ends at Akola.

–  National Highway 52 is a major national highway in India.

-The length of this National Highway is 2317 km.

-This National Highway passes through six states.

– The following states are namely

  1. Madhya Pradesh
  2.  Punjab
  3. Haryana
  4. Rajasthan
  5.  Maharashtra
  6.  Karnataka.

National Highway (NH30) in india


-National Highway 30 is the firstly national highway in India.

-National Highway 30 connects from Sitarganj in Uttarakhand to Ibrahim Pattanaman Vijayawada in Uttarakhand.

Ji-  The length of this National Highway is 10984 km.

– National Highway 30 passes through a total of six states.

The following states are namely

  1.  Uttarakhand
  2. Uttar Pradesh
  3. Madhya Pradesh
  4.  Chhattisgarh
  5. Telangana
  6. Andhra Pradesh.

National Highway ( NH6) in india


-The length of National Highway 6 is 667 km.

-The National Highway is a major highway in the North Eastern region of India.

–  The National Highway passes through three states in total.

-Their names are as follows.

  1.  Assam
  2. Meghalaya
  3. Mizoram

-National Highway 6 is connected to cities like Jowai, Hailakandi, Kolasib, Champai, etc. in Northeast India.

-The national highway Jorawat connects from Assam to the India-Myanmar border Mizoram.

-National Highway constructed and managed by the Central Public Work Department (CPWD)

 National Highway  (NH 16) in india


-National Highway 16 is a major highway in India.

-The total length of this national highway is 1533 km.

-This national highway passes through a total of four states.

– The names of the states are the following

  1. West Bengal –  206 km
  2. Odisha Andhra –  529 km
  3.  Pradesh –  992.25 km
  4. Tamil Nadu –  42.75 km

-The National Highway connects the two metropolitan cities of Kolkata and Chennai.  -The highway is a part of the Golden Quadrilateral project undertaken by the Highways Authority of India.

-This highway runs from Kolkata, West Bengal to Chennai, Tamil Nadu.

-This national highway passes through the main cities of Kolkata Cuttack Bhubaneswar Vizianagaram Visakhapatnam Vijayawada Kutur Chennai.

National Highway (NH35) in india

-The length of National Highway 53 is 795 km.  -This highway has passed through three states in total.

– following states namely

  1. Gujarat
  2. Maharashtra Chhattisgarh
  3.  Odisha.

-This highway starts from Hajira and connects to Paradip Port.

– This National Highway passes through West Gujarat.

National Highway (NH 66) in india


-The length of National Highway 66 is 1740 km.  -This highway runs contiguous to the coast of the Arabian Sea.

-The highway is the only national highway connecting three districts of Konkan.

–  Until 1998, National Highway 66 was the only highway connecting the villages of Konkan to Mumbai before the Konkan Railway started.  -National Highway 66 starts from Panvel and ends at Kanyakumari.

– National Highway 66 passes through four states in total

– Following are states’ name

  1. Maharashtra – 475km
  2. Goa-137 km
  3.  Karnataka -137km
  4. Kerala-678 km
  5.  Tamil Nadu-56km

– This highway passes through Mumbai Panvel Ratnagiri Sindhudurg Panaji Udupi Mangalore Kozhikode Cochin.


The Golden Quadrilateral Project is a vast road network in India that spans a total length of 5,846 kilometers. It traverses 13 states across the country and is divided into four major sections:

SectionStart CityEnd CityTotal Length (KM)States Passed Through
1DelhiKolkata1453Delhi, Haryana, Bihar, Uttar Pradesh, Jharkhand, West Bengal
2KolkataChennai1684West Bengal, Odisha, Andhra Pradesh, Tamil Nadu
3ChennaiMumbai1290Tamil Nadu, Karnataka, Maharashtra, Andhra Pradesh
4MumbaiDelhi1419Maharashtra, Gujarat, Rajasthan, Haryana, Delhi

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