code: public static RoadSegment readRoadSegment(Element element, PathBuilder pathBuilder,
  			XMLResources resources) throws IOException {
  		return readRoadPolyline(element, pathBuilder, resources);
  	}
docs: Read a road from the XML description.
  
  @param element is the XML node to read.
  @param pathBuilder is the tool to make paths absolute.
  @param resources is the tool that permits to gather the resources.
  @return the road.
  @throws IOException in case of error.