Sub Element Usage Card Type Description Note
  SiteConnection expected 1..1 unknown   SiteConnection are used only in the main file and not in timetable files.
+ WalkTransferDuration mandatory 1..1 unknown    
++ DefaultDuration mandatory 1..1 unknown    
+ BothWays mandatory 1..1 unknown    
+ From mandatory 1..1 unknown   Could also refer to a Quay or a different SiteElement. Currently we only transfer StopPlaceRefs.
++ StopPlaceRef mandatory 1..1 unknown    
+ To mandatory 1..1 unknown   Could also refer to a Quay or a different SiteElement. Currently we only transfer StopPlaceRefs.