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National Highways (England)
National Highways, formerly Highways England, is the government-owned company that manages England's strategic road network, more than 4,500 miles of motorways and major A-roads carrying a third of traffic.
National Highways Authority (Ghana)
The National Highways Authority of Ghana, officially the Ghana Highway Authority (GHA), is the state agency responsible for Ghana's 15,000 km trunk road network, established in 1974.
National Highways Authority of India (राष्ट्रीय राजमार्ग प्राधिकरण)
The National Highways Authority of India (राष्ट्रीय राजमार्ग प्राधिकरण) is an autonomous Government of India agency for the development and maintenance of National Highways, constituted by an Act of Parliament in 1988 and operational since 1995.
National highways of China
The national highways of China, known as Guodao (国道), are the top tier of China's five-level road classification, designated by the central government for national significance.
National highways of India
The national highways of India, also known as the Indian National Highway system, are arterial roads designated by the Central Government under the National Highways Act, 1956, spanning 146,560 km.
National highways of Japan
The national highways of Japan, or ippan kokudō, are the Road Act trunk roads, 55,900 km of numbered routes from 1 to 507 linking major cities nationwide.
National Hydrogen Strategy (Germany)
The National Hydrogen Strategy (Nationale Wasserstoffstrategie) is Germany's federal framework for building a green hydrogen economy, launched in 2020, updated in July 2023, and paired with a hydrogen import strategy.
National identification number
A national identification number, also called a national ID or national identity number, is a unique number a government issues to identify a person, typically assigned once for life.
National identity card (Bangladesh)
The National identity card of Bangladesh (জাতীয় পরিচয়পত্র, NID) is the identity document issued to citizens by the Election Commission, serving as standard proof of identity.
National Informatics Centre
National Informatics Centre, also known as NIC India, is the information technology arm of the Government of India, established in 1976 under MeitY to build systems for government.
National Instant Criminal Background Check System
The National Instant Criminal Background Check System, or NICS, is the FBI-run federal system, launched in 1998 under the Brady Act, that screens firearm and explosive buyers.
National Institute of Informatics
The National Institute of Informatics (国立情報学研究所, NII) is a Japanese inter-university research institute in Tokyo, established in 2000, dedicated to informatics research and operating Japan's SINET academic network.
National Institute of Ocean Technology
The National Institute of Ocean Technology (NIOT) is an autonomous Indian government research institute in Chennai, established in 1993 under the Ministry of Earth Sciences.
National Institute of Standards and Technology
The National Institute of Standards and Technology, formerly the National Bureau of Standards, is a non-regulatory U.S. Commerce Department agency, founded in 1901, that maintains the nation's measurement standards.
National Instruments
National Instruments Corporation, founded in Austin, Texas in 1976, supplied measurement and automation products, most notably the LabVIEW graphical programming environment and the PXI platform.
National Insurance number
A National Insurance number (NINO) is a unique personal account number used throughout life in the United Kingdom to record National Insurance contributions and tax, with format QQ123456B.
National Inventory of Dams
The National Inventory of Dams (NID) is a database documenting over 90,000 dams in the United States, maintained by the U.S. Army Corps of Engineers since 1975.
National Iranian Oil
National Iranian Oil Company is the state-owned oil enterprise of Iran, created in 1951 to nationalize the Anglo-Iranian Oil Company's assets and now a target of US sanctions.
National Knowledge Network
The National Knowledge Network (NKN) is India's multi-gigabit research and education network, operated by the National Informatics Centre and connecting over 1,800 universities, research laboratories, and government institutions for collaborative research.
National Maritime Day
National Maritime Day is a United States observance held each May 22 to honor the merchant marine and maritime industry, commemorating the steamship Savannah's 1819 transatlantic voyage.
National Maritime Historical Society
The National Maritime Historical Society is an American nonprofit founded in 1963 to preserve US maritime heritage, headquartered in Peekskill, New York, and publishing Sea History magazine.
National Maritime Research Institute
The National Maritime Research Institute, also known as Kaijō Gijutsu Anzen Kenkyūjo, is Japan's national maritime research institute in Mitaka, Tokyo, with about 150 researchers and one of the world's largest towing tanks.
National Maximum Speed Law
The National Maximum Speed Law was a US federal policy, in force from 1974 to 1995, that tied federal highway funding to state speed limits of 55 mph.
National Medal of Technology and Innovation
The National Medal of Technology and Innovation (NMTI) is the United States' highest honor for technological achievement, presented by the president and administered by the USPTO since 1985.
National military trainer programmes
A national military trainer program is a country's organized effort to design, build, or procure the aircraft fleet with which it trains its military pilots, from first flight to frontline assignment.
National Motor Vehicle Title Information System
The National Motor Vehicle Title Information System (NMVTIS) is a Department of Justice database of vehicle title, brand, odometer, and salvage information, created in 1992 and operated by AAMVA.
National Museum of the United States Air Force
The National Museum of the United States Air Force (NMUSAF) is the official U.S. Air Force museum at Wright-Patterson Air Force Base near Dayton, Ohio.
National Nuclear Corporation (United Kingdom)
The National Nuclear Corporation (NNC) was a British nuclear engineering company formed in 1973, which designed the UK's second-generation AGR nuclear power stations for the CEGB.
National Nuclear Regulator
The National Nuclear Regulator (NNR) is South Africa's statutory regulator of nuclear and radiation safety, established in 2000 to supersede the Council for Nuclear Safety.
National Nuclear Safety Administration
The National Nuclear Safety Administration (NNSA, 国家核安全局) is China's regulator for nuclear and radiation safety, established in 1984 and operating within the Ministry of Ecology and Environment.