Hailed vehicle (4)
I believe the answer is:
taxi
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hailed vehicle</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 taxi that I've seen before include "run along the ground" , "(Of a plane) move slowly on the ground" , "Hackney carriage" , "people carrier?" , "Rank occupant" .)