Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 9414)
+++ trunk/data/validator/combinations.mapcss	(revision 9415)
@@ -242,5 +242,5 @@
 *[psv     ][!highway][!railway][!waterway][amenity !~ /^parking.*/],
 *[width   ][!highway][!railway][!waterway][!aeroway][!cycleway][!footway][!barrier][!man_made][!entrance],
-*[maxspeed][!highway][!railway][traffic_sign !~ /^(.*;)?maxspeed(;.*)?$/][type != enforcement][waterway !~ /^(river|canal|lock)$/][!traffic_calming],
+*[maxspeed][!highway][!railway][traffic_sign !~ /^((.*;)?maxspeed(;.*)?|[A-Z][A-Z]:.+)$/][type != enforcement][waterway !~ /^(river|canal|lock)$/][!traffic_calming],
 *[lit     ][!highway][!railway][!piste:type][!amenity][public_transport!=platform][advertising!=billboard][!leisure][!tourism] {
   throwWarning: tr("{0} on suspicious object", "{0.key}");