Half-width metro/light rail diagonal crossing in tunnel
<a href="//commons.wikimedia.org/wiki/User:Useddenim" title="User:Useddenim">Useddenim</a>
2023-03-01
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_udKRXu-.svg" title="File:BSicon udKRXu-.svg">BSicon udKRXu-.svg</a>