Index: trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java	(revision 15406)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java	(revision 15407)
@@ -541,5 +541,5 @@
             BBox bbox = new BBox(endnode.getCoor(), x.getCoor());
             for (Way nearbyWay: ds.searchWays(bbox)) {
-                if (nearbyWay != w && nearbyWay.hasTag("barrier") && !endnode.getParentWays().contains(nearbyWay)) {
+                if (nearbyWay != w && nearbyWay.isUsable() && nearbyWay.hasTag("barrier") && !endnode.getParentWays().contains(nearbyWay)) {
                     //make sure that the barrier is really between the two nodes, not just close to them
                     Way directWay = new Way();