Are bus ticket machines online now, e.g. via 4G? If so, it isn't beyond the wit of man to have an inspection device that can call back to HQ and see if the card was touched in or not. If not, I doubt that being viable will be far off.
It's on the Tube where it's more difficult, though on-board revenue checks on the Tube are rare - I've had it maybe twice in my life if that. Do they even do it at all any more?
They should have more revenue inspectors for sure. I suspect there's a lot of sharing of discounted/free Oyster cards, boarding buses without tapping in, and people travelling beyond their validity and doubling up at gates etc.
It would be naive to think the problem wasn't worse than TfL think it is (hence believing that not gating every entrance to Finsbury Park tube will not have people walking around to avoid paying).
As for a data connection, buses wouldn't even need to send back data regularly. If revenue teams board, they could tap the reader with a special card which triggers the sending of data from the bus, which in turn can then be read on their handheld devices (also connected) within a matter of seconds - allowing them to commence a sweep of the bus.
If they were on the right network, I can't imagine there being any part of London where buses operate being in a coverage blackspot for 2G, 3G or 4G.
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It is obvious in my experience that provincial bus drivers are in general more interested in revenue than London ones. This may well be because up until 10-15 or so years ago many London bus drivers didn't have to deal with revenue at all anyway, as the conductor did that!
Indeed, unless you use a stronger approach to enforcement. Such as have the Police on hand to arrest any "Mickey Mouse" name-givers, and use plain clothes revenue squads in the manner the Germans do.
Exactly this. Out here, bus drivers will chuck people off the bus, refuse to move etc.
In London, drivers are told not to get involved, leave their cab or delay the service (perhaps unless people are getting abusive to other passengers) and that is effectively a green light to further problems.
Indeed, it doesn't take long for people to learn that when you're in a group on a train and there's a lone RPI wanting to see your tickets, being loud and abusive will either mean a call to BTP, or said RPI letting you off 'this time' because conflict avoidance training takes precedent for obvious reasons.
The solution is of course better enforcement, accompanied by BTP, so the chancers find that their odds of being let off are greatly reduced.