Route diagram icon: parallel path from right to centre over canal from left to right
Wiebevl
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_vuSTRr-KRZo.svg" class="mw-redirect" title="File:BSicon vuSTRr-KRZo.svg">BSicon vuSTRr-KRZo.svg</a>