question: public boolean deleteRoadName ( String road ) { if ( ! _roadList . contains ( road ) ) { return false ; } _roadList . remove ( road ) ; log . debug ( "train (" + getName ( ) + ") delete car road " + road ) ; setDirtyAndFirePropertyChange ( ROADS_CHANGED_PROPERTY , _roadList . size ( ) + 1 , _roadList . size ( ) ) ; return true ; }
target:  Delete a road name that the train will either service or exclude. See setRoadOption