Index: trunk/src/org/openstreetmap/josm/data/validation/tests/Lanes.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/Lanes.java	(revision 7886)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/Lanes.java	(revision 7888)
@@ -5,4 +5,5 @@
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
@@ -24,4 +25,11 @@
 public class Lanes extends Test.TagTest {
 
+    private static final String[] BLACKLIST = {
+        "source:lanes",
+        "note:lanes",
+        "proposed:lanes",
+        "piste:lanes",
+    };
+
     /**
      * Constructs a new {@code Lanes} test.
@@ -38,5 +46,5 @@
         final Collection<String> keysForPattern = new ArrayList<>(Utils.filter(p.keySet(),
                 Predicates.stringContainsPattern(Pattern.compile(":" + lanesKey + "$"))));
-        keysForPattern.remove("source:lanes");
+        keysForPattern.removeAll(Arrays.asList(BLACKLIST));
         if (keysForPattern.size() < 1) {
             // nothing to check