This behaviour makes terminal stations difficult, since stopped trains
will reserve the exit segment and block the line, even if they are
stopped there for a longer period of time.
It is planned to add sort of a "No ARS" switch to trains that can be set
via ATC, and that the Station Rail will automatically utilize. See the forum
The workaround would be to activate ARS only when the train is inside (or very close to) the braking zone.