Index: /trunk/src/org/openstreetmap/josm/data/osm/visitor/MapPaintVisitor.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/osm/visitor/MapPaintVisitor.java	(revision 1550)
+++ /trunk/src/org/openstreetmap/josm/data/osm/visitor/MapPaintVisitor.java	(revision 1551)
@@ -267,4 +267,18 @@
             int tmpWidth = (int) (100 /  (float) (circum / realWidth));
             if (tmpWidth > width) width = tmpWidth;
+            
+            /* if we have a "width" tag, try use it */
+            /* (this might be slow and could be improved by caching the value in the Way, on the other hand only used if "real width" is enabled) */
+            String widthTag = w.get("width");
+            if(widthTag == null) {
+                widthTag = w.get("est_width");
+            }
+            if(widthTag != null) {
+                try {
+                    width = Integer.parseInt(widthTag);
+                }
+                catch(NumberFormatException nfe) {
+                }
+            }
         }