>> ** How to define the "blocking of a track"?** Using a time
>> restricted speed profile with vMax="0" in the
>> speedChange elements?
>
> From my experience, blockings have nothing to do with speed
> restrictions. We should consider a new ‘list of blockings’ in future,
> probably rather in TimeTable subschema. If we mix blockings and speed
> restrictions, it becomes much more difficult here…
We already filed a Trac ticket for this issue in order to clarify it
with some later release: