code: public boolean removeBusStop(BusStop busStop) {
  		final int index = this.busStops.indexOf(busStop);
  		if (index >= 0) {
  			this.busStops.remove(index);
  			busStop.removeBusHub(this);
  			resetBoundingBox();
  			firePrimitiveChanged(new BusChangeEvent(this,
  					BusChangeEventType.STOP_REMOVED,
  					busStop,
  					index,
  					null,
  					null,
  					null));
  			checkPrimitiveValidity();
  			return true;
  		}
  		return false;
  	}
docs: Remove a bus stop from this hub.
  
  @param busStop is the bus stop to remove.
  @return <code>true</code> if the bus stop was successfully removed, otherwise <code>false</code>