Traffic tangle (5)
I believe the answer is:
snarl
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">traffic tangle</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 snarl that I've seen before include "(Make an) aggressive noise" , "A vicious angry growl" , "Tangle; growl" , "Growl in a threatening manner" , "Growl aggressively" .)