Parallel heavy and light rail lines, light rail line crossing over heavy rail line on a bridge.
<a href="//commons.wikimedia.org/wiki/User:Imperator3733" title="User:Imperator3733">Imperator3733</a>
2013-01-17
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_vKRZu-ABZg%2Br.svg" class="mw-redirect" title="File:BSicon vKRZu-ABZg+r.svg">BSicon vKRZu-ABZg+r.svg</a>  and <a href="//commons.wikimedia.org/w/index.php?title=File:BSicon_vKRZu-ABZg%2Br&amp;action=edit&amp;redlink=1" class="new" title="File:BSicon vKRZu-ABZg+r (page does not exist)">BSicon vKRZu-ABZg+r</a>.