I think trains stopping at Lewes, travelling from Brighton, are stopped too early on the platform as for 8 carriage trains the rear carriages are still under the bridge with plenty of platform left. Is this intended?
The stop marker is in the position as it is in real life. It is in that position so the train is stopped before the signal protecting the junction ahead.
Yeah, I think in these circumstances there'll be announcements telling people to move forward before the station.