Track change to the left, metro/light rail
<ul><li><a href="//commons.wikimedia.org/wiki/File:BSicon_u%C3%9CSTl.svg" title="File:BSicon uÜSTl.svg">BSicon uÜSTl.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Chenxingyu" title="User:Chenxingyu">Chenxingyu</a></li></ul>
derivative work: <a href="//commons.wikimedia.org/wiki/User:Tuvalkin" title="User:Tuvalkin">Tuvalkin</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Tuvalkin" title="User talk:Tuvalkin">Tuvalkin</a>)
2011-06-01
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_u%C3%9CSTl.svg" title="File:BSicon uÜSTl.svg">BSicon uÜSTl.svg</a>