the current location of plaça de catalunya was the place chosen to build in 1863 the "ferrocarril de sarrià" terminus station. at this moment, the current square didn't exist and the city rampart had been recently destroyed. ferrocarril de sarrià a barcelona, popularly known as "tren de sarrià", created a line from this station to gràcia, sant gervasi and sarrià neighbourhoods, which were separated municipalities from barcelona. between 1924 and 1929 it was built a temporary terminus station on balmes street, between ronda universitat and gran via while the new underground station was being constructed. in 1929 was opened the new "ferrocarril de sarrià" terminus station which was underground and it was located under pelai and bergara streets. originally, the station had two tracks and one "nave" with platforms 1 and 2. in 1959 a second nave was opened, with platforms 3 and 4, and some years later, a third nave with platforms 5 and 6.