Original sentence: The zone-based approach to ticketing requires little infrastructure at the stations but can be disproportionately expensive for passengers only traveling a few stops and crossing a zone boundary
Edited sentence: Further more the ticketing can be confusing.It can be disproportionately expensive for honest passengers only traveling a few stops and crossing a zone boundary.Many passengers use this fact and always purchase a one zone ticket, believing that if they are caught they can simply claim to have been on their way to zone one.Paying for a five zone ticket is not sufficient fair to ride to zone five, but rather a fair for crossing five zones.The zone-based approach to ticketing requires little infrastructure at the stations, in fact there is so little infrastructure most people don't even pay