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How do trains and expressways connect Buenos Aires with its suburbs?

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Panoramic aerial view of Buenos Aires, Argentina, featuring the Obelisk monument, wide avenues lined with trees, and dense city buildings under a blue sky. — Buenos Aires Aerial view of the city center, including the obelisk (center), Buenos Aires.

Buenos Aires is connected to its suburbs through a comprehensive network of rail and road infrastructure designed to facilitate the movement of commuters and goods.

Railway Connections

Buenos Aires serves as the terminus for every major railway line in Argentina. The city’s rail system, which historically expanded with foreign capital, remains a vital link for the metropolitan area. Specifically, electric suburban lines provide direct transportation between the city center and outlying towns such as Tigre and Moreno.12

Expressway and Road Connections

The city’s highway system features several expressways that radiate outward from the center in a spokelike pattern, connecting the urban core with the Avenida General Paz, a major thoroughfare that circles most of the city. These expressways also provide essential links to key infrastructure located outside the city limits, including the international airport at Ezeiza. Additionally, as industrial and residential development has spread into the northern and western counties of Greater Buenos Aires, new public transportation routes and highways have become central to supporting the growth of offices, gated communities, and shopping centers in these suburban areas.13