lass="op">&lt;-</span> <span class="va">flowlines_sf</span><span class="op">[</span><span class="fl">2</span><span class="op">:</span><span class="fl">4</span>, <span class="op">]</span></span></span>
<span class="r-in"><span><span class="va">p</span> <span class="op">&lt;-</span> <span class="va">destinations_sf</span></span></span>
<span class="r-in"><span><span class="va">lv</span> <span class="op">&lt;-</span> <span class="fu">line_via</span><span class="op">(</span><span class="va">l</span>, <span clas