Diagram of the Hong Kong MTR, made using a text editor and <a href="//commons.wikimedia.org/wiki/User:Sameboat" title="User:Sameboat">Sameboat</a>'s map tutorial on his user page. Coordinates calculated using Inkscape as a guide, rounded to 2 dp.
<a href="//commons.wikimedia.org/wiki/User:Jc86035" title="User:Jc86035">Jc86035</a>, using <a href="//commons.wikimedia.org/wiki/User:Sameboat" title="User:Sameboat">Sameboat</a>'s SVG examples on his user page
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>