Website or url tags are a good idea, in fact I have used them in some cases but I don't know if it would be better to write the link in the Departures_board tag in case any station has a website to not duplicate the website tag.
Thanks for the link to https://lists.openstreetmap.org/listinfo/tagging Andy.
_______________________________________________ dev mailing list dev@openstreetmap.org https://lists.openstreetmap.org/listinfo/dev