A recent troubling news has emerged regarding the travel regulations introduced by public transport providers. In several cities, rules have been implemented that prohibit passengers from consuming liquids on vehicles, and those who violate this may face fines. This raises the question of how justified and enforceable these rules are, particularly in situations where a passenger may need hydration due to their health condition or age. Cases reported in the press, such as a man in Debrecen who was fined 3000 forints for drinking his mineral water on the tram, or an elderly woman who was removed from the bus in Miskolc for the same reason, highlight that the enforcement…