numbered route
... that Hartley Road, the shortest numbered route in the city of Kawartha Lakes, is entirely a causeway crossing the man-made Mitchell Lake?
... that Hartley Road, the shortest <b id="mwGoc"><a class="mw-redirect" href="./List_of_numbered_roads_in_Kawartha_Lakes,_Ontario" id="mwGog" rel="mw:WikiLink" title="List of numbered roads in Kawartha Lakes, Ontario">numbered route</a></b> in the city of <a href="./Kawartha_Lakes" id="mwGok" rel="mw:WikiLink" title="Kawartha Lakes">Kawartha Lakes</a>, is entirely a causeway crossing the man-made <a href="./Mitchell_Lake_(Ontario)" id="mwGoo" rel="mw:WikiLink" title="Mitchell Lake (Ontario)">Mitchell Lake</a>?