Símbolo de la línea 3a (Lutxana-Sondika) de Euskotren
<a href="//commons.wikimedia.org/wiki/User:Santi2222" title="User:Santi2222">Santi2222</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>, based on <a href="//commons.wikimedia.org/wiki/File:Euskotren_E3.svg" title="File:Euskotren E3.svg">File:Euskotren E3.svg</a> by <a href="//commons.wikimedia.org/w/index.php?title=User:Laukatu&amp;action=edit&amp;redlink=1" class="new" title="User:Laukatu (page does not exist)">Laukatu</a> and <a href="//commons.wikimedia.org/wiki/User:Andreuvv" title="User:Andreuvv">Andreuvv</a>