It is way more complicated. We need to start again with the fares system. Perhaps study why other countries don't get in such a mess.What makes anybody here think that gateline staff have intimate knowledge of restrictions on tickets unless it is written in black and white? Yes it is complicated and complex. Answer simplify the process. Not that difficult you would think.
== Doublepost prevention - post automatically merged: ==
And this is also absolutely the case.If you don't understand the conditions of tickets, you shouldn't be preventing passengers traversing through the barriers.
Whatever system you have, it is pretty obvious that those who "police" it must understand it, and not just loiter.