Diagram of road sign Number of motorway A52 in <a href="https://en.wikipedia.org/wiki/en:Greece" class="extiw" title="w:en:Greece">Greece</a>.
<a href="//commons.wikimedia.org/w/index.php?title=User:Christaras_A&amp;action=edit&amp;redlink=1" class="new" title="User:Christaras A (page does not exist)">Christaras A</a>
2010-09-28
<span class="int-own-work" lang="en">Own work</span><br><a rel="nofollow" class="external text" href="http://library.tee.gr/digital/books_notee/book_58034/book_58034_chapter8.pdf">Οδηγίες Μελετών Οδικών Εργων - Κατακόρυφη Σήμανση Αυτοκινητοδρόμων (ΟΜΟΕ - ΚΣΑ). Μέρος 1: Πληροφοριακή Σήμανση. Σχήμα Ι: Έμβλημα με τον αριθμό του αυτοκινητοδρόμου. Page 70. Last access 2010-09-28 1400 CEST</a><br>based on <a href="//commons.wikimedia.org/wiki/Category:Autobahn_numbers" title="Category:Autobahn numbers">German motorway numbers</a>, which use a template from the Eleventh Ordinance on the change of the Road Traffic Code of <a href="https://en.wikipedia.org/wiki/1992" class="extiw" title="en:1992">1992</a>-<a href="https://en.wikipedia.org/wiki/March_19" class="extiw" title="en:March 19">03-19</a>, German Law Gazette I 1992, 678, 696.