Esampa
Esampa is a public transport ticketing system used in the São Paulo metropolitan region of Brazil. It was launched in 2009 to integrate the various public transportation modes within the region, including buses, trains, and metro lines. The system utilizes a rechargeable smart card, often referred to as the "Bilhete Único" (Single Ticket), which allows passengers to pay for their fares electronically.
The primary goal of Esampa was to simplify fare collection and provide a more efficient public transportation
Esampa also aims to gather data on passenger flow and usage patterns to assist in urban planning