Summary
These codes can be scanned with a phone to show advertisements.
The ads will bring extra money to help run the bus service.
Each picture code will be about ten centimetres square.
They will be placed on the rear side of passenger seats.
The extra money is called non‑fare revenue, meaning it doesn't come from tickets.
These codes can be scanned with a phone to show advertisements.
The ads will bring extra money to help run the bus service.
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