Sistema Único de Boleto Electrónico
The SUBE Card is similar to other solutions implemented in highly concentrated cities, both in Argentina (Rosario, Córdoba, Posadas, Salta or San Miguel de Tucumán, Bahía Blanca) and in the rest of the world (London, Paris, Hong Kong, Seoul, Rio de Janeiro, São Paulo, Bogotá, Santiago de Chile, Asunción, Montevideo or Andalusia).