docs: protected void setupRoadInterior(ZoomableGraphicsContext gc, RoadPolyline element) {
  		final Color color;
  		if (isSelected(element)) {
  			color = gc.rgb(SELECTED_ROAD_COLOR);
  		} else {
  			color = gc.rgb(ROAD_COLOR);
  		}
  		gc.setStroke(color);
  		if (element.isWidePolyline()) {
  			gc.setLineWidthInMeters(element.getWidth());
  		} else {
  			gc.setLineWidthInPixels(1);
  		}
  	}