Broad tree-lined street (6)
I believe the answer is:
avenue
(Other definitions for avenue that I've seen before include "Wide and handsome street" , "Road lined with trees" , "Wide (tree-lined) street" , "Wide, straight road" , "Drive" .)
I believe the answer is:
avenue
(Other definitions for avenue that I've seen before include "Wide and handsome street" , "Road lined with trees" , "Wide (tree-lined) street" , "Wide, straight road" , "Drive" .)