| This is a documentation subpage for Template:Ref-eu.
It contains usage information, categories and other content that is not part of the original template page.
This template is intended for inclusion in the text pointer to the E-road network route in the form of small plates. It is also a link to Wikipedia page for that route.
How to use:
A second optional parameter allows overriding the name of the Wikipedia article to link to (it can also contain a Wikipedia language prefix).