In the last year, I've been through over a dozen cities and used public transport in all of them. It is wild just how confusing and complex buying a ticket can be. While some cities obviously take a user-centred approach to ticketing, others appear to take a Kafkaesque delight in a bureaucratic maze of zones, apps, and intricate restrictions. One of the seminal texts in computer systems design…
According to what happened in Tallinn it didn’t decrease the car usage. It increased the number of people taking the public transport, but the people who started to ride more was the people that were walking. And after this initial bump, it flat out. Car usage kept around the same levels.