World Library  
Flag as Inappropriate
Email this Article


National Highways Authority of India

India National Highways Map
Abbreviation NHAI
Formation 1988[1]
Type Autonomous Government Agency
Legal status Active
Purpose/focus Development and maintenance of National Highways
Headquarters G 5&6
Location Sector-10, Dwarka New Delhi-110075

Coordinates: 28°35′01″N 77°03′28″E / 28.583689°N 77.057886°E / 28.583689; 77.057886

Region served India
Official languages Hindi
Chairman Rajinder Pal Singh
Main organ Board of directors[2]
Parent organization Ministry of Road Transport and Highways

The National Highways Authority of India (NHAI) is an autonomous agency of the Government of India, responsible for management of a network of over 70,000 km of National Highways in India.[3] It is a nodal agency of the Ministry of Road Transport and Highways. The current chairman of the NHAI is Rajinder Pal Singh.[4]


The NHAI was created through the promulgation of the National Highways Authority of India Act, 1988. In February 1995, the Authority was formally made an autonomous body.[1]
It is responsible for the development, maintenance, management and operation of National Highways, totaling over 71,772 km (44,597 mi) in length.[5]

National Highways in Length and Indian Road Network

Indian Road Network[6]
Class Length (km)
Expressways 1,000 km (620 mi)
Total National Highways 76,818 km (47,732 mi)
National Highways (Already 4/6 laned) 16,000 km (9,900 mi)
National Highways which are being 4 or 6 laned (India) 25,000 km (16,000 mi)
State Highways 154,522 km (96,016 mi)
Major and other district roads 2,577,396 km (1,601,520 mi)
Rural & other roads 1,433,577 km (890,783 mi)
Total (approx) 4,245,429 km (2,637,987 mi)


The NHAI has the mandate to implement the National Highway Development Project (NHDP). The NHDP is under implementation in Phases.[5]

  • Phase I: Approved in December 2000, at an estimated cost of INR 300 Billion, it included the Golden Quadrilateral (GQ), portions of the NS-EW Corridors, and connectivity of major ports to National Highways.
  • Phase II: Approved in December 2003, at an estimated cost of INR 343 Billion, it included the completion of the NS-EW corridors and another 486 km (302 mi) of highways.
  • Phase IIIA: This phase was approved in March 2005, at an estimated cost of INR 222 Billion, it includes an upgrade to 4-lanes of 4,035 km (2,507 mi)of National Highways.
  • Phase IIIB: This was approved in April 2006, at an estimated cost of INR 543 Billion, it includes an upgrade to 4-lanes of 8,074 km (5,017 mi) of National Highways.
  • Phase V: Approved in October 2006, it includes upgrades to 6-lanes for 6,500 km (4,000 mi), of which 5,700 km (3,500 mi) is on the GQ. This phase is entirely on a DBFO basis.
  • Phase VI: This phase, approved in November 2006, will develop 1,000 km (620 mi) of expressways at an estimated cost of INR 167 Billion.
  • Phase VII: This phase, approved in December 2007, will develop ring-roads, bypasses and flyovers to avoid traffic bottlenecks on selected stretches at a cost of INR 167 Billion.

The progress of the NHDP can be tracked from the NHAI official website, which updates maps on regular basis.

NHAI helps in implementing Special Accelerated Road Development Programme for North Eastern Region (SARDP-NE); a project to upgrade National Highways connecting state capitals to 2 lane or 4 lane in north eastern region.[7]

See also


This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.