I’ve always wondered why a toilet door train is so wierly designed. I never thought hard enough that it could have been so hard to design a “lock” (from I hacked a train toilet)

"Modern trains in the UK have disabled toilets with power-operated doors. The older models of these toilets had “open”, ”close” and “lock” buttons on the inside, where you had to press “close”, wait for the door to close, and then press ”lock”. There is no separate “unlock” button; pressing the “open” button on the inside automatically unlocks and opens the door."

"Of course, there is a reason for the separation of the clo... willwa.de https://willwa.de/2024/01/29/ive-always-wondered.html