for (List<Relationship> partToMerge : roadPartsToMerge) {
LinkedHashSet<Coordinate> coordinates = new LinkedHashSet<Coordinate>();
String wayName = null;
OsmRelation wayRelation = null;
for (int i = 0; i < partToMerge.size(); i++) {
Relationship chunk = partToMerge.get(i);
//Create Coordinate objects for the nodes. Sequence matters!