Considered as a fact in urban reality, the ex-railway belt territories of Santiago appear, as they disappear. That is to say, that its presence in the city, is mainly one of a residual infrastructure, in different conditions of disappearance; and as such, it is experienced by the inhabitants.Como hecho material concreto en la realidad urbana, los territorios de la ex circunvalación ferroviaria de Santiago aparecen, en la medida que desaparecen. Esto es, que su presencia actual en la ciudad, es mayormente la de una infraestructura residual, en distintos estados de desaparición; y como tal, se ofrece a la experiencia del habitante.