IIRC the Lusitania Express was re-routed via Salamanca for a while a few
years back.
There was a threat last year that the border crossing from ES to PT at
Tui (on the Vigo to Porto route) was to be closed. Clearly a pair of EU
countries that really are being (slowly) separated apart rail wise.
--
Phil Richards
<
http://www.flickr.com/photos/philstephenrichards>