Index: trunk/src/atmsdriver/model/Highways.java
===================================================================
--- trunk/src/atmsdriver/model/Highways.java	(revision 176)
+++ trunk/src/atmsdriver/model/Highways.java	(revision 180)
@@ -109,5 +109,70 @@
         return highways;
     }
-    
+        /**
+     * Applies specified color to the specified highway stretch. Route number and
+     * direction specify the highway. Postmile and range specify the stretch of
+     * specified highway. Dot color is the color to be applied to the stretch.
+     * 
+     * @param routeNumber highway route number
+     * @param direction highway direction
+     * @param postmile origin postmile value
+     * @param range range from origin postmile
+     * @param dotColor the color to be applied to specified highway stretch
+     */
+    public void applyColorToHighwayStretch(Integer routeNumber, Station.DIRECTION direction, 
+            Double postmile, Double range, LoopDetector.DOTCOLOR dotColor) {
+        System.out.println("Applying " + dotColor.name() + " dots to highway " 
+                + routeNumber + " " + direction.name() + " at postmile " 
+                + postmile + " with a range of " + range + " miles...");
+        
+        // Get the highway by route number
+        Highway highway = getHighwayByRouteNumber(routeNumber);
+        
+        // start value for highway section, and end value for highway section
+        // by postmile
+        Double startPost;
+        Double endPost;
+        
+        // postmiles increase from s to n and w to e
+        
+        // if the direction is south or west
+        if(direction.equals(Station.DIRECTION.SOUTH) || direction.equals(Station.DIRECTION.WEST))
+        {
+            // add range value to startPost to get
+            // the end postmile value of the highway section
+            startPost = postmile;
+            endPost = postmile + range;
+            
+            // iterate through the stations, if within the specified highway
+            // stretch, update the station by direction and apply dot color
+            for(Station station : highway.stations)
+            {
+                if(station.postmile >= startPost && station.postmile <= endPost)
+                {
+                    station.updateByDirection(direction, dotColor);
+                }
+            }
+        }
+        // if the direction is north or east 
+        else
+        {
+            //subtract range value from startPost
+            // to get the end postmile value of the highway section
+            startPost = postmile;
+            endPost = postmile - range;
+            
+            // iterate through the stations, if within the specified highway
+            // section, update the station by direction and apply dot color
+            for(Station station : highway.stations)
+            {
+                if(station.postmile <= startPost && station.postmile >= endPost)
+                {
+                    station.updateByDirection(direction, dotColor);
+                }
+            }
+        }
+        System.out.println("");
+    }
+
     /*
      private ArrayList<FEPLine> loadLines(String highwayMetaFileName) {