Carlos Pellegrini is a station on Line B of the Buenos Aires Underground. From here, passengers may transfer to the Diagonal Norte Station on Line C and the 9 de Julio Station on Line D and Metrobus 9 de Julio. The station was opened on 22 July 1931 as the eastern terminus of the extension of the line from Callao. In December 1931, the line was extended further east to Leandro N. Alem.