General Paz 2

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 Río de la Plata.