US Highway 33
... that for its first 25 years of existence in Michigan, US Highway 33 did not have an independent routing?
... that for its first 25 years of existence in <a href="./Michigan" id="mwAsw" rel="mw:WikiLink" title="Michigan">Michigan</a>, <b id="mwAs0"><a href="./U.S._Route_33_in_Michigan" id="mwAs4" rel="mw:WikiLink" title="U.S. Route 33 in Michigan">US Highway<span id="mwAs8" typeof="mw:Entity"> </span>33</a></b> did not have an independent routing?