[Line E Buenos Aires Underground] Retiro is a future station on Line E of the Buenos Aires Underground. Once completed, passengers will be able to transfer to the Retiro Station on Line C, and eventually Retiro Station on Line G and Retiro Station on Line H once they are completed. It will also connect to the Retiro railway station. ... Found on http://en.wikipedia.org/wiki/Retiro_(Line_E_Buenos_Aires_Underground)