Index: trunk/src/atmsdriver/model/Highway.java
===================================================================
--- trunk/src/atmsdriver/model/Highway.java	(revision 103)
+++ trunk/src/atmsdriver/model/Highway.java	(revision 212)
@@ -2,4 +2,5 @@
 
 import java.util.ArrayList;
+import java.util.List;
 
 /**
@@ -15,5 +16,5 @@
     public final Integer routeNumber;
     /** The ordered list of stations (lane detector stations) on this highway */
-    public final ArrayList<Station> stations;
+    public final List<Station> stations;
 
     /** Construct a highway