M-6
... that during the "Southbelt Shuffle" event on M-6 south of Grand Rapids, Michigan, horses were ridden on the partially completed freeway?
... that during the "Southbelt Shuffle" event on <b id="mwJA"><a href="./M-6_(Michigan_highway)" id="mwJQ" rel="mw:WikiLink" title="M-6 (Michigan highway)">M-6</a></b> south of <a href="./Grand_Rapids,_Michigan" id="mwJg" rel="mw:WikiLink" title="Grand Rapids, Michigan">Grand Rapids, Michigan</a>, horses were ridden on the partially completed freeway?