Index: trunk/data/validator/relation.mapcss
===================================================================
--- trunk/data/validator/relation.mapcss	(revision 8522)
+++ trunk/data/validator/relation.mapcss	(revision 8523)
@@ -11,5 +11,5 @@
 relation[type=route][!route],
 relation[type=route_master][!route_master],
-relation[type=restriction][!restriction],
+relation[type=restriction][!/^restriction/], /* see #11586 */
 relation[type=boundary][!boundary],
 relation[type=public_transport][!public_transport],