M-66
... that M-66 is the only state highway that runs the length of the Lower Peninsula of Michigan?
... that <b id="mwBaI"><a href="./M-66_(Michigan_highway)" id="mwBaM" rel="mw:WikiLink" title="M-66 (Michigan highway)">M-66</a></b> is the only <a class="mw-redirect" href="./Michigan_Highway_System" id="mwBaQ" rel="mw:WikiLink" title="Michigan Highway System">state highway</a> that runs the length of the <a href="./Lower_Peninsula_of_Michigan" id="mwBaU" rel="mw:WikiLink" title="Lower Peninsula of Michigan">Lower Peninsula of Michigan</a>?