Index: /trunk/src/org/openstreetmap/josm/data/validation/Test.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/validation/Test.java	(revision 12863)
+++ /trunk/src/org/openstreetmap/josm/data/validation/Test.java	(revision 12864)
@@ -21,4 +21,5 @@
 import org.openstreetmap.josm.data.osm.Relation;
 import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.data.osm.search.SearchCompiler.InDataSourceArea;
 import org.openstreetmap.josm.data.osm.search.SearchCompiler.NotOutsideDataSourceArea;
 import org.openstreetmap.josm.data.osm.visitor.OsmPrimitiveVisitor;
@@ -41,4 +42,5 @@
 
     protected static final Predicate<OsmPrimitive> IN_DOWNLOADED_AREA = new NotOutsideDataSourceArea();
+    protected static final Predicate<OsmPrimitive> IN_DOWNLOADED_AREA_STRICT = new InDataSourceArea(true);
 
     /** Name of the test */
Index: /trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java	(revision 12863)
+++ /trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java	(revision 12864)
@@ -95,5 +95,6 @@
     public void visit(Way w) {
         if (w.isUsable()) {
-            if (w.isClosed() && w.hasTag(HIGHWAY, CLASSIFIED_HIGHWAYS) && w.hasTag("junction", "roundabout")) {
+            if (w.isClosed() && w.hasTag(HIGHWAY, CLASSIFIED_HIGHWAYS) && w.hasTag("junction", "roundabout")
+                    && IN_DOWNLOADED_AREA_STRICT.test(w)) {
                 // TODO: find out how to handle splitted roundabouts (see #12841)
                 testWrongRoundabout(w);