changed tollsEstimate from Float to Double

Route.java

@@ -7,7 +7,7 @@ public class Route {
     private boolean tollsFlag; //stores user setting for whether to avoid tolls
     private boolean hwyFlag; //stores user preference for whether to avoid major highways
     public Vector<Double> timeEstimate; //time estimate in seconds
-    public Vector<Float> tollsAmount; //stores toll amount if toll roads are used
+    public Vector<Double> tollsAmount; //stores toll amount if toll roads are used
     public Destination currentDestination; //uses user-created class Destination
 
     private void updateCurrentLocation() {
@@ -50,7 +50,7 @@ public class Route {
     public float estimateTolls(Vector<String[]> route) {
         float runningTolls = 0;
         for (String[] el : route) {
-            runningTolls += Float.parseFloat(el[3]);
+            runningTolls += Double.parseDouble(el[3]);
         }
         return runningTolls;
     }