question: protected void cleanStationsAndNetwork ( ) { log . info ( "Clean Stations and Network..." ) ; cleanSchedule ( ) ; removeNonUsedStopFacilities ( ) ; cleanModes ( ) ; removeNonUsedLinks ( ) ; log . info ( "Clean Stations and Network... done." ) ; }
target:  After all lines created, clean all non-linked stations, all pt-exclusive links (check allowed modes) and all nodes which are non-linked to any link after the above cleaning... Clean also the allowed modes for only the modes, no line-number any more...