M-64
... that the M-64 highway designation in Michigan was moved twice in two years by exchanging the number with different roads?
... that the <b id="mwEkE"><a href="./M-64_(Michigan_highway)" id="mwEkI" rel="mw:WikiLink" title="M-64 (Michigan highway)">M-64</a></b> highway designation in <a href="./Michigan" id="mwEkM" rel="mw:WikiLink" title="Michigan">Michigan</a> was moved twice in two years by exchanging the number with different roads?