[aninhumer]

Surely that's mostly a one-off cash injection though? Once all the regular commuters have their cards, you're not going to get much more. There will still be some extra from visitors, and new commuters over time but it doesn't seem like long term you'd see that much revenue increase.

[AndyMcConachie]

Don't forget tourists and other visitors. They buy cards with too much money and then never spend it. It is a constant source of revenue.