<edges>
    <edge id="beg">
        <split pos="30" lanes="1" idBefore="beg.begin" idAfter="beg"/>
        <split pos="60" idAfter="beg.end"/>
    </edge>

    <edge id="end">
        <split pos="30" lanes="1" idBefore="end.begin" idAfter="end"/>
        <split pos="60" idAfter="end.end"/>
    </edge>
</edges>
