Index: trunk/styles/standard/elemstyles.mapcss
===================================================================
--- trunk/styles/standard/elemstyles.mapcss	(revision 14370)
+++ trunk/styles/standard/elemstyles.mapcss	(revision 14560)
@@ -1884,4 +1884,8 @@
     icon-image: "presets/leisure/billboard.svg";
     set icon_z17;
+}
+way[advertising=billboard] {
+    width: 2;
+    color: advertising#880000;
 }