ETCS in Poland in February 2021.
Based on <a href="//commons.wikimedia.org/wiki/File:Poland_rail_map.svg" title="File:Poland rail map.svg">File:Poland rail map.svg</a> and <a rel="nofollow" class="external text" href="https://www.rynek-kolejowy.pl/mobile/interpelacja-poslanki-matysiak-czyli-wszystko-co-chcialbys-wiedziec-o-etcs-100930.html">1</a>.
<a href="//commons.wikimedia.org/wiki/User:Macpach1234" title="User:Macpach1234">Macpach1234</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>