Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 15169)
+++ trunk/data/validator/combinations.mapcss	(revision 15190)
@@ -118,4 +118,5 @@
 
 /* {0.tag} without {1.key} (warning level) */
+node[traffic_sign=maxspeed][!maxspeed],
 node[actuator=manual][!handle],
 node[emergency=fire_hydrant][!fire_hydrant:type],