Traffic markers (5)
I believe the answer is:
cones
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">traffic markers</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 cones that I've seen before include "Shapes with circular base and tapering sides" , "Round shapes with tapering sides" , "They taper from a circular base to a point" , "Dry fruits of evergreen trees" , "Ice-cream holders or fruits of pine trees" .)