Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 7105)
+++ trunk/data/validator/deprecated.mapcss	(revision 7106)
@@ -206,2 +206,6 @@
   assertMatch: "way access=designated";
 }
+*[access=official] {
+  throwWarning: tr("''{0}'' does not specify the official mode of transportation, use ''{1}'' for example", "access=official", "bicycle=official");
+  assertMatch: "way access=official";
+}