diff --git a/plugins/tiddlywiki/railroad/doc/readme.tid b/plugins/tiddlywiki/railroad/doc/readme.tid
index e7642b2d1..05a22aeb4 100644
--- a/plugins/tiddlywiki/railroad/doc/readme.tid
+++ b/plugins/tiddlywiki/railroad/doc/readme.tid
@@ -1,5 +1,5 @@
 created: 20150102163222184
-modified: 20150119220023000
+modified: 20150119231005000
 title: $:/plugins/tiddlywiki/railroad/readme
 
 This plugin provides a `<$railroad>` widget for generating railroad diagrams as SVG images.
@@ -17,4 +17,11 @@ The content of the `<$railroad>` widget is ignored.
 |end |Style of the endpoint: `single`, `double`, `none` |`single` |
 |debug |If set to `yes`, the diagram displays its parse tree |`no` |
 
-These options can also be specified via pragmas in the diagram notation.
+These options can also be specified via pragmas in the diagram notation, or globally via a dictionary tiddler called `$:/config/railroad`:
+
+```
+arrow: yes
+start: single
+end: single
+debug: no
+```
diff --git a/plugins/tiddlywiki/railroad/wrapper.js b/plugins/tiddlywiki/railroad/wrapper.js
index af8bd42eb..89806b24c 100644
--- a/plugins/tiddlywiki/railroad/wrapper.js
+++ b/plugins/tiddlywiki/railroad/wrapper.js
@@ -19,6 +19,8 @@ var RailroadWidget = function(parseTreeNode,options) {
 	this.initialise(parseTreeNode,options);
 };
 
+var RAILROAD_OPTIONS = "$:/config/railroad";
+
 /*
 Inherit from the base widget class
 */
@@ -37,12 +39,13 @@ RailroadWidget.prototype.render = function(parent,nextSibling) {
 	// Create a div to contain the SVG or error message
 	var div = this.document.createElement("div");
 	try {
-		// Initialise options from widget attributes
+		// Initialise options from the config tiddler or widget attributes
+		var config = $tw.wiki.getTiddlerData(RAILROAD_OPTIONS,{});
 		var options = {
-			arrow: this.getAttribute("arrow","yes") === "yes",
-			debug: this.getAttribute("debug","no") === "yes",
-			start: this.getAttribute("start","single"),
-			end: this.getAttribute("end","single")
+			arrow: this.getAttribute("arrow", config.arrow || "yes") === "yes",
+			debug: this.getAttribute("debug", config.debug || "no") === "yes",
+			start: this.getAttribute("start", config.start || "single"),
+			end: this.getAttribute("end", config.end || "single")
 		};
 		// Parse the source
 		var parser = new Parser(this,source,options);