code: @Pure
  	public Direction1D getRoadSegmentDirection() {
  		final BusItinerary itinerary = getContainer();
  		if (itinerary != null && this.roadSegmentIndex >= 0 && this.roadSegmentIndex < itinerary.getRoadSegmentCount()) {
  			return itinerary.getRoadSegmentDirection(this.roadSegmentIndex);
  		}
  		return null;
  	}
docs: Replies on which direction the bus halt is located on the road segment.
  
  @return {@link Direction1D#SEGMENT_DIRECTION} or {@link Direction1D#REVERTED_DIRECTION}.