After you have saved a route, you can make changes as needed.
1. Select (Menu >) Tools > Manage My Data > Routes.
2. Select View Routes.
3. Select a route and select Edit.
4. Use the following options to make changes:
Rename-renames the route.
Edit/Review Points-adds, deletes, or rearranges the points in the route.
Route Preference-sets Faster Time or Shorter Distance as the route calculation preference.
Delete-deletes the route.