National highways of India

thumb|Renumbered National Highways map of India (schematic)|300px

The national highways in India are a network of limited access roads owned by the Ministry of Road Transport and Highways. National highways have flyover access or some controlled-access, where entrance and exit is through the side of the flyover. At each highway intersection, flyovers are provided to bypass the traffic on the city, town, or village. These highways are designed for speeds of 100 km/h. Some national highways have interchanges in between, but do not have total controlled-access throughout the highways. The highways are constructed and managed by the Central Public Works Department (CPWD), the National Highways and Infrastructure Development Corporation Limited (NHIDCL), and the public works departments (PWD) of state governments. Currently, the longest national highway in India is National Highway 44 at 4,112 km (2,555 mi). India started to increase the number of lanes of major national highways to 4 or more with the National Highway Development Project (NHDP). India has approximately 35,000 km of four-lane National highways.

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. Both operate under the Ministry of Road Transport and Highways. The National Highways Development Project (NHDP) is a major effort to expand and upgrade the network of highways. NHAI often uses a public–private partnership model for highway maintenance, and toll-collection. NHIDCL uses the Engineering, Procurement, and Construction (EPC) model to build, develop and maintain strategic roads in international borders of the country.

In India, National Highways are at-grade roads, whereas expressways are controlled-access highways where entrance and exit is controlled by the use ramps that are incorporated into the design of the expressway. National Highways follows standards set by Indian Roads Congress and Bureau of Indian Standards.

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Characteristics

thumb|Entrance of [[National Highway 44 (India)|National Highway 44, the longest National Highway in India (from Srinagar to Kanyakumari)]]

thumb|[[National Highway 27 (India)|National Highway 27 in Gujarat]]

thumb|A section of [[National Highway 24 (India)|National Highway 24 in Bareilly, Uttar Pradesh]]

India has of national highways as of March 2022 compared to 101,011 km in FY 2013–14. In July 2023, Union Road Transport and Highways Minister Nitin Gadkari claimed total length of the national highways in the country increased by about 59% in the span of the last nine years. In 2016, the government vowed to double the highway length from 101,011 to 200,000 km.

The majority of existing highways are now four-lane roads (two lanes in each direction), though much of this is being expanded to six or more lanes. Some sections of the network are toll roads. Only a few highways are built with concrete. Bypasses have been constructed around larger towns and cities to provide uninterrupted passage for highway traffic. Some existing roads have been reclassified as national highways.

History

The National Highways Act, 1956 provided for public i.e. state investment in the building and maintenance of the highways.

The National Highways Authority of India was established by the National Highways Authority of India Act, 1988. Section 16(1) of the Act states that the function of NHAI is to develop, maintain, and manage the National Highways and any other highways vested in, or entrusted to, it by the Government of India.

In 1998 India launched a massive program of highway upgrades, called the National Highways Development Project (NHDP), in which the main north–south and east–west corridors and highways connecting the four metropolitan cities (Delhi, Mumbai, Chennai and Kolkata) have been fully paved and widened into four-lane highways. Some of the busier National Highway sectors in India were also converted to four- or six-lane limited-access highways.

The National Highways and Infrastructure Development Corporation Limited started functioning as of 18 July 2014. It is a fully owned company of the Government of India, under the administrative control of the Ministry of Road Transport and Highways, and was created to develop, maintain and manage the national highways, strategic roads and other infrastructure of India. It was dedicated to the task of promoting regional connectivity in parts of the country which share international boundaries. It is responsible for the development, maintenance and management of National Highways in hilly terrain of North-East part of India, Andaman & Nicobar Islands, Himachal Pradesh, Jammu & Kashmir, Ladakh and Uttarakhand. It works as a specialised agency in high altitude areas and border areas. Apart from highways, NHIDCL is constructing logictic hubs and transport related infrastructure e.g. multimodal transport hubs such as bus ports, container depots, automated multilevel car parking etc.

The Ministry of Road Transport and Highways adopted a new systematic numbering of National Highways in April 2010. It is a systematic numbering scheme based on the orientation and the geographic location of the highway. The new system indicates the direction of National Highways whether they are east–west (odd numbers) or north–south (even numbers). It also indicates the geographical region where they are with even numbers increasing from east to west starting from NH2 and odd numbers increasing from north to south starting from NH1.

Bharatmala, a centrally-sponsored and funded road and highways project of the Government of India with a target of constructing of new highways, was started in 2018. Phase I of the Bharatmala project involves the construction of 34,800 km of highways (including the remaining projects under NHDP) at an estimated cost of by 2021–22.

List of national highways in India

Expanding National Highway Network

The average speed of NH construction has also seen a significant increase, from a baseline of 12.1 km/day in 2014 rising to 28.3 km/day (143%).

The speed of highway construction reached 37 km per day in 2020-21, a record for fastest highway construction in India.

Network length

{| class="wikitable sortable"

|+National Highways in India, by state and union territories and maintaining agency

!State / union territory

!State PWD

!NHAI

!NHIDCL

!Total length as on 31.03.2019 (km)

| Andaman and Nicobar Islands

| align="right" |87|| align="right"|331

| Andhra Pradesh

||| align="right" |6,912

| Arunachal Pradesh

| align="right" |1,035|| align="right" |2,537

| Assam

| align="right" |1,010|| align="right" |3,909

| Bihar

||| align="right" |5,358

| Chandigarh

||| align="right" |15

| Chhattisgarh

||| align="right" |3,605

| Dadra and Nagar Haveli

||| align="right" |31

| Daman and Diu

||| align="right" |22

| Delhi

||| align="right" |157

| Goa

||| align="right" |293

| Gujarat

||| align="right" |6,635

| Haryana

||| align="right" |3,166

| Himachal Pradesh

| align="right" |320|| align="right" |2,607

| Jammu & Kashmir

| align="right" |436|| align="right" |2,423

| Jharkhand

||| align="right" |3,367

| Karnataka

||| align="right" |7,335

| Kerala

||| align="right" |1,782

| Lakshadweep

||| align="right" |0

| Madhya Pradesh

||| align="right" |8,772

| Maharashtra

||| align="right" |17,757

| Manipur

| align="right" |1,751|| align="right" |1,750

| Meghalaya

| align="right" |823|| align="right" |1,156

| Mizoram

| align="right" |372|| align="right" |1,422.5

| Nagaland

| align="right" |324|| align="right" |1,548

| Odisha

||| align="right" |5,762

| Puducherry

||| align="right" |27

| Punjab

||| align="right" |3,274

| Rajasthan

||| align="right" |10,342

| Sikkim

| align="right" |595|| align="right" |463

| Tamil Nadu

||| align="right" |6,742

| Telangana

||| align="right" |3,795

| Tripura

|align="right" |573|| align="right" |854

| Uttarakhand

| align="right" |660|| align="right" |2,949

| Uttar Pradesh

||| align="right" |11,737

| West Bengal

| align="right" |4|| align="right" |3,664

| India total

| align="right" | 48,590

| align="right" |7,990

| align="right" |132,500

Year wise national highways in India, by state and union territory

As at end-March and length in kms.

Source: Ministry of Road Transport and Highways, Government of India.

{| class="wikitable sortable"

!State/union territory

!2005

!2006

!2007

!2008

!2009

!2010

!2011

!2012

!2013

!2014

|Andaman and Nicobar Islands

|300

|Andhra Pradesh

|4472

|4537

|5022

|6590

|Arunachal Pradesh

|392

|1992

|2027

|Assam

|2836

|2940

|3634

|Bihar

|3537

|3642

|4106

|4168

|4467

|Chandigarh

|24

|Chhattisgarh

|2184

|2289

|3031

|Delhi

|72

|80

|Goa

|269

|Gujarat

|2871

|3245

|4032

|3828

|4694

|Haryana

|1468

|1512

|1518

|1633

|2050

|Himachal Pradesh

|1208

|1409

|1506

|2196

|Jammu and Kashmir

|823

|1245

|1695

|2319

|Jharkhand

|1805

|2170

|2374

|2968

|Karnataka

|3843

|4396

|4642

|6177

|Kerala

|1440

|1457

|1700

|Madhya Pradesh

|5200

|4670

|5027

|5064

|5116

|Maharashtra

|4176

|4191

|4257

|4498

|6249

|Manipur

|959

|1317

|1452

|Meghalaya

|810

|1171

|Mizoram

|927

|1027

|122

|Nagaland

|494

|741

|Odisha

|3704

|4416

|4550

|Puducherry

|53

|Punjab

|1557

|1699

|Rajasthan

|5585

|7130

|7180

|7646

|Sikkim

|62

|149

|Tamil Nadu

|4183

|4462

|4832

|4943

|4975

|Telangana

|Tripura

|400

|509

|Uttar Pradesh

|5599

|5874

|6774

|7818

|7986

|Uttarakhand

|1991

|2042

|2282

|West Bengal

|2325

|2377

|2524

|2578

|2681

|2908

|All India

|65569

|66590

|66754

|70548

|70934

|76818

|79116

|91287

State-wise length of National Highways

Note: Yearly data for 2018 and 2020 are not available.

{| class="wikitable sortable"

!State/union territory

!2015

!2016

!2017

!2019

!2021

!2022

!2023

!2024

|Andaman and Nicobar Islands

|331

|Andhra Pradesh

|4670

|5465

|6383

|6912

|7340

|Arunachal Pradesh

|2513

|2537

|Assam

|3784

|3821

|3845

|3909

|3936

|Bihar

|4701

|4839

|5358

|5421

|Chandigarh

|15

|Chhattisgarh

|3079

|3078

|3523

|3605

|3620

|Delhi

|80

|79

|157

|Goa

|262

|293

|299

|Gujarat

|4971

|5456

|6635

|7744

|Haryana

|2307

|2622

|2741

|3166

|3237

|Himachal Pradesh

|2466

|2642

|2643

|2607

|Jammu and Kashmir

|2593

|2601

|2423

|Jharkhand

|2632

|2654

|2661

|3367

|Karnataka

|6432

|6503

|6991

|7335

|7412

|Kerala

|1811

|1812

|1782

|Madhya Pradesh

|5184

|5194

|8053

|8772

|8941

|Maharashtra

|7048

|7435

|16239

|17757

|17931

|Manipur

|1746

|1750

|Meghalaya

|1204

|1203

|1204

|1156

|Mizoram

|1381

|1423

|Nagaland

|1080

|1150

|1547

|1548

|Odisha

|4645

|4838

|5413

|5762

|5897

|Puducherry

|64

|27

|64

|Punjab

|2239

|2769

|3228

|3274

|4099

|Rajasthan

|7886

|7906

|8972

|10342

|10350

|Sikkim

|309

|463

|709

|Tamil Nadu

|5006

|4946

|5918

|6742

|6858

|Telangana

|2687

|2696

|3786

|3795

|3974

|Tripura

|577

|805

|854

|Uttar Pradesh

|8483

|9017

|11737

|11831

|Uttarakhand

|2842

|2714

|2842

|2949

|3106

|West Bengal

|2910

|2956

|3004

|3664

|3665

|All India

|97991

|101011

|120493

|132500

|136440

Funding

National Highways Authority of India has enough funds to increase the pace of road building. At the listing ceremony of the National Highways Infra Trust's (NHAI InVITs) non-convertible debentures, the National Highway Infra Trust issued and listed Non-Convertible Debentures (NCDs) worth Rs 1,500 crore on the Bombay Stock Exchange, with a long-dated maturity of 25 years.

NHAI collected tolls worth Rs 34,742 crore on national highways in FY22. Additionally NHAI toll revenue is expected to rise to Rs. 1.40 lakh crores by 2028.

Future

Brownfield National Highway Projects is an upgrading/widening of existing four lane highways into six lane highways which are not controlled access highways.

Trivia

The longest national highway is NH44, which runs between Srinagar in Jammu and Kashmir and Kanyakumari in Tamil Nadu, covering a distance of .
The shortest national highway is NH766EE, which spans , from Hettikeri to Belekeri port in Karnataka.
The Leh–Manali Highway connecting Leh in Ladakh to Manali in Himachal Pradesh is the second highest-altitude motorable highway in the world.

References and notes

External links

Story of a village by the highways

Characteristics

History

List of national highways in India

Expanding National Highway Network

Network length

Year wise national highways in India, by state and union territory

Funding

Future

Trivia

See also

References and notes

External links