Answer the following question: Information: - Buenos Aires ("Provincia de Buenos Aires"; English: "good airs") is the largest and most populous Argentinian province. It takes the name from the city of Buenos Aires, which used to be the provincial capital until it was federalized in 1880. The current capital of the province is the city of La Plata, founded in 1882. - Buenos Aires is the capital and most populous city of Argentina. The city is located on the western shore of the estuary of the Rio de la Plata, on the South American continent's southeastern coast. "Buenos aires" can be translated as "fair winds" or "good airs", but the first one was the meaning intended by the founders in the 16th century, by the use of the original name "Real de Nuestra Senora Santa Maria del Buen Ayre". The Greater Buenos Aires conurbation, which also includes several Buenos Aires Province districts, constitutes the fourth-most populous metropolitan area in the Americas, with a population of around 17 million. - Avenida General Paz (official name Ruta Nacional A001 - National Route A001) is a beltway freeway surrounding the city of Buenos Aires. Roughly following the boundary between the city and Buenos Aires Province, it is one of the few motorways in Argentina that is toll-free. It carries three lanes of traffic in each direction during most of its length, and five lanes between the Pan-American Highway and the Rio de la Plata. There are feeder roads in both directions and there are service areas along its length, usually with a gas station and fast food restaurants. - The Pan-American Highway is a network of roads measuring about in total length. Except for a rainforest break of approximately , called the Darien Gap, the road links almost all of the mainland countries of the Americas in a connected highway system. According to "Guinness World Records", the Pan-American Highway is the world's longest "motorable road". However, because of the Darien Gap, it is not possible to cross between South America and Central America. - National Route A002 Autopista Teniente General Pablo Riccheri connects Avenida General Paz with Ministro Pistarini International Airport ( Ezeiza ) . - The Rio de la Plata ("River of Silver") rendered River Plate in British English and the Commonwealth and La Plata River (occasionally Plata River) in other English-speaking countries is the river and estuary formed by the confluence of the Uruguay and the Parana rivers. It empties into the Atlantic Ocean, forming a funnel-shaped indentation on the southeastern coastline of South America. What entity does 'national route a002 ' has the relation 'instance of' with?
Answer:
road