Diagram of old number sign of <a href="https://en.wikipedia.org/wiki/en:Greek_National_Road_00" class="extiw" title="w:en:Greek National Road 00">Greek National Road 00 (E.O. 00)</a> based upon <a rel="nofollow" class="external text" href="http://blogs.sch.gr/x11k10/files/2009/12/kok2009.pdf">road traffic codex 2009 (KOK 2009)</a>. Format: SVG, transparent.
Christaras A
<span class="int-own-work" lang="en">Own work</span>