Paths to source elements is a really big deal in OpenRoads and unfortunately rather few elements allow you to transfer information from one file to another (like if you want to split one corridor into two files because of construction phasing) or to transfer a superelevation section to a replacement alignment, or if you want to delete an existing terrain model and replace it with a new one (for any of several reasons, including units issues) and apply it to all your corridors (including any that have it listed in target aliasing.
As you've observed, Mary, it affects us at this stage as well.
As you've observed, Mary, it affects us at this stage as well.