Band on the road? (4)
I believe the answer is:
tyre
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">band on the road?</span>' is the definition.<br/ ><span class="explanation-format__explanation">(band of rubber around a wheel)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tyre that I've seen before include "subject to inflation" , "Wheel-hoop" , "Wheel's rubber tube" , "Travelling band" , "Part of car; old Lebanon port" .)