>Similarly, I have noticed that a difference between American subways and European subways is that when you stop at a station in Europe, the interlocks allow th

>Similarly, I have noticed that a difference between American subways and European subways is that when you stop at a station in Europe, the interlocks allow the automatic doors to open as soon as the train is slower than maybe 1–2 km/h No, this must only happen with older rolling stock. Newer rolling stock both from European and Asian manufacturers operates like your "American" example