code: @Pure
  	public Iterable<RoadSegment> roadSegments() {
  		return new Iterable<RoadSegment>() {
  			@Override
  			public Iterator<RoadSegment> iterator() {
  				return roadSegmentsIterator();
  			}
  		};
  	}
docs: Replies the list of the road segments of the bus itinerary.
  
  @return a list of road segments