The lines of different gauges as used by the Bradford Model Engineering Society in Northcliffe Woods, Shipley, West Yorkshire. The small structure on the left controls the colour lights and points.
<a href="//commons.wikimedia.org/wiki/User:The_joy_of_all_things" title="User:The joy of all things">The joy of all things</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>