Change lanes erratically (5)
I believe the answer is:
weave
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">change lanes erratically</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for weave that I've seen before include "Interlace strands of material" , "Make material" , "Make (fabrics)" , "Make (basketwork)" , "Combine into a whole" .)