The planners of the city always faced a challenge in the commuting department, never having enough resources or political leverage to build a better metropolitan system of transportation.
By 2040, AI buses and trains help the oversaturated arteries of the city, carrying people in the car-free avenues such as Celso Garcia Avenue and 9th of July Avenue and relieving the ever-growing traffic of the New Marginal.
The rivers Tiête and Pinheiros have enjoyed a revival for fifteen years, and their waterfronts have become high-demand real-estate areas, both commercially and residentially. Many dams and underground pools are being built on the Tiête in order to better control the water influx and turn it into a navigable river like the Pinheiros.
The Metrô now reaches as far as Campinas, Santos, Sorocaba and São José dos Campos. Due to the conurbation of all those cities in the Greater Metropolitan Capital, 2020's and 2030's Regional Lines are becoming regular Suburban Lines with very short intervals.