By Vanesa Ruperez Line 4 Eases the Commute to Millions in São Paulo. The São Paulo Metropolitan Region encompasses 39 municipalities with a total population of 19 million people. The region contains 10 percent of the Brazilian population and is the fifth largest urban area in the world. [youtube https://youtu.be/4O2FAfiZZ5g?rel=0&w=480&h] Home to more than 11 million … [Lee más...] about Fighting Epic Traffic Jams
