Map of the Cairo and Helwan tramways
<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Maximilian Dörrbecker</a> (<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Chumwa</a>)
CC BY-SA 2.5
<p><span class="int-own-work" lang="en">Own work</span>, using OpenStreetMap data for the background.
</p><p>Information is taken from these sources:
</p>
<ul><li>Martin Pabst: Tram &amp; Trolley in Africa, Röhr Verlag, Krefeld 1989 (<a href="//commons.wikimedia.org/wiki/Special:BookSources/3-88490-132-X" title="Special:BookSources/3-88490-132-X">ISBN 3-88490-132-X</a>) with maps showing the 1910 and 1973 situation</li>
<li><a rel="nofollow" class="external text" href="http://www.egy.com/landmarks/97-05-01.2.php">Heliopolis 1913 map</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Egypt_and_the_S%C3%BBd%C3%A2n;_handbook_for_travellers_(1914)_(14781591394).jpg" title="File:Egypt and the Sûdân; handbook for travellers (1914) (14781591394).jpg">Baedeker 1914 map</a> (<a rel="nofollow" class="external text" href="http://4c0hlb15jjvu5uede42153y1.wpengine.netdna-cdn.com/wp-content/uploads/2011/02/Map-of-Cairo.jpg">map detail</a>)</li>
<li><a rel="nofollow" class="external text" href="https://islamicana.files.wordpress.com/2012/03/egypt1916cairomap-e1332513846271.jpg">Macmillan 1916 map</a> and <a rel="nofollow" class="external text" href="https://islamicana.files.wordpress.com/2012/03/egypt1916cairobridgemap1.jpg">Macmillan 1916 map of the Nile bridges of Cairo</a></li>
<li><a rel="nofollow" class="external text" href="https://www.loc.gov/item/2009580102">Survey of Egypt 1920 map</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Cairo_map1933_Nicohosoff.jpg" title="File:Cairo map1933 Nicohosoff.jpg">Alexander Nicohosoff 1933 map</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Cairo_in_Brockhaus.jpg" title="File:Cairo in Brockhaus.jpg">Brockhaus 1937 map</a></li>
<li>US Army Cairo <a rel="nofollow" class="external text" href="http://www.lib.utexas.edu/maps/world_cities/txu-oclc-47175049-cairo1-1958.jpg">1</a>, <a rel="nofollow" class="external text" href="http://www.lib.utexas.edu/maps/world_cities/txu-oclc-47175049-cairo2-1958.jpg">2</a>, and <a rel="nofollow" class="external text" href="http://www.lib.utexas.edu/maps/world_cities/txu-oclc-47175049-cairo3-1958.jpg">3</a> maps from 1958</li>
<li><a href="//commons.wikimedia.org/wiki/File:StrassenbahnNetzplanKairo1996.png" title="File:StrassenbahnNetzplanKairo1996.png">1996 map</a> (corresponding <a href="//commons.wikimedia.org/wiki/File:StrassenbahnGleisplanKairo1996.png" title="File:StrassenbahnGleisplanKairo1996.png">track layout map</a>)</li>
<li><a rel="nofollow" class="external text" href="http://web1591.fge1.5hosting.com/lfr-wp1/wp-content/uploads/2014/03/cta2000.png">Heliopolis 2000</a> and <a rel="nofollow" class="external text" href="http://web1591.fge1.5hosting.com/lfr-wp1/wp-content/uploads/2014/03/cta20131.jpg">Heliopolis 2013</a> maps by M. Farid from <a rel="nofollow" class="external text" href="http://web1591.fge1.5hosting.com/lfr-wp1/?cat=3">tramway.com</a></li></ul>