2016 – Line 5 extension from Brooklin to Chácara Klabin. 7 stations. 2015 – Line 5 extenson from Adolfo Pinheiro to Brooklin. 3 stations. 25 Jan 2014 – Line 5 extension from Largo Treze to Adolfo Pinheiro. 1 station. 2014 – Line 15 monorail. New line, 23.8 km, 17 stations.
A diversity of geometrical forms were chosen for the underground stations [metro.sp.gov.br]. There's a collection of contemporary sculptures, installations and large murals in 30 of the 52 stations.
Photo [metro.sp.gov.br]: The mezzanine level of Brás station boasts 25 curved steel and polyurethane plates (2.2 m x 1 m each) which form the art installation 'Kaleidoscope' from 1999 by Amélia Toledo.
Tours of the metro system, guided by experts. For dates and reservation contact the tour operator or check their website.
There's a program called "Conheça seu metrô" ("Know your metro"), which occurs always on Saturdays (in Portuguese). Two stations are selected for each Saturday. Email to firstname.lastname@example.org to show interest. The number of participants is limited. The tour begins with a lecture about the São Paulo Metro, its history and technologies, some data and precautions while you are inside the system. Then, the group will be shown around the supervision centre for lines 1, 2 and 3 near Vergueiro station and travel some metro section inside a train cab. Tour operator: Metro SP.