+ Collection<Resource> areConnected = graph.getObjects(interiorNode, DIA.AreConnected);
+ if (areConnected.size() < 2) {
+ // Degenerated route line encountered, most likely due to a bug somewhere else.
+ // Ignoring them because adding them to the RouteGraph structure would cause
+ // problems during rendering.
+ LOGGER.warn("Stray RouteLine found: " + NameUtils.getSafeName(graph, interiorNode));
+ continue;
+ }
+