Once you modified your template in your design file how do you save back to your library?
Vern
Navigate to the Task Navigation > Civil Tools > Corridor Modeling > Create Template tool.
On the Create Template Dialog, navigate to Tools > Template Library Organizer.
On the Template Library Organizer dialog, find the second Available In pane to the right of the dialog and double click on the Active Design File Corridors folder. These Templates are the Templates in your active design file.
Select the Templates and drag and drop them in the Available In pane to the left side of the dialog.