Index: trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java	(revision 15518)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java	(revision 15519)
@@ -121,5 +121,6 @@
         @Override
         protected boolean ignoreUnconnectedEndNode(Node n) {
-            return n.hasTag(RAILWAY, "buffer_stop");
+            return n.hasTag(RAILWAY, "buffer_stop")
+                || n.isKeyTrue("noexit");
         }
     }