Icon for railway diagram, see <a href="https://en.wikipedia.org/wiki/Wikipedia:Route_diagram_template" class="extiw" title="w:Wikipedia:Route diagram template">Route diagram template</a>. Horizontal tunnel.
<ul><li><a href="//commons.wikimedia.org/wiki/File:BSicon_TUNNEL1q.svg" title="File:BSicon TUNNEL1q.svg">BSicon TUNNEL1q.svg</a>: <i><a href="//commons.wikimedia.org/wiki/User:Mattbuck" title="User:Mattbuck">mattbuck</a></i> / derivative work: <a href="//commons.wikimedia.org/wiki/User:Akhristov" title="User:Akhristov">Akhristov</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Akhristov" title="User talk:Akhristov">Akhristov</a>)</li></ul>
2010-12-27
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_TUNNEL1q.svg" title="File:BSicon TUNNEL1q.svg">BSicon TUNNEL1q.svg</a>