Index: trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java	(revision 6392)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java	(revision 6393)
@@ -333,5 +333,7 @@
     @Override
     public void visit(Way w) {
-        if (w.getNodesCount() > 0) {
+        // Do not consider empty ways and addr:interpolation ways as they are not physical features and most of the time
+        // very near the associated highway, which is perfectly normal, see #9332
+        if (w.getNodesCount() > 0 && !w.hasKey("addr:interpolation")) {
             ways.addAll(getWaySegments(w));
             QuadBuckets<Node> set = endnodes;