(17 Feb 2021, 7:47 pm)BoroLad wrote I definitely think the "tap off" element is solvable. To give an example - the Go Ahead operation in the Thames Valley (Oxford Buses/Thames Travel/Carousel) seem to have a full tap on tap off system which they call Freeflow. While some services are flat fare, there are quite a few "intercity" services like the X40 which have a wide range of fares.

That said, even the most expensive singles seem to be fairly cheap down there, so there's not too much of an issue if you accidentally get charged a maximum fare (the biggest gap I can find is £2.00 vs £4.20 depending on whether you're making a short hop within Oxford or a long journey to somewhere like Reading).

Oh, I'm not saying it's a terribly hard thing to solve, if anything it's just a case of installing the readers because they're using the same ticket machines.

And presumably it just works the same as if the driver had selected a destination on the ticket machine, and it caches the card details until it's either tapped back off, or enough time has lapsed for it to default to the maximum fare.

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