Roadway (6)
(Other definitions for avenue that I've seen before include "suburban street" , "Way of approach" , "A wide street or access route" , "Drive" , "Tree-lined approach to a house" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">roadway</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that street is a type of roadway)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for street that I've seen before include "- Arab; - light" , "City thoroughfare" , "Public road in a conurbation" , "Tester (anag.)" , "City road" .)