Tunnel summit icon for railway diagram (with summit symbol on the left)
<a href="//commons.wikimedia.org/wiki/User:Ellegimark" title="User:Ellegimark">Ellegimark</a> and <a href="//commons.wikimedia.org/wiki/User:Mahir256" title="User:Mahir256">Mahir256</a>
2013-12-01
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_tGIPr.svg" title="File:BSicon tGIPr.svg">BSicon tGIPr.svg</a>