ontario highway commonly referred highway maintained highway canadian province ontario travelled north highway new county road hamilton road outskirts london kilometre long assumed province september aside paving construction interchange remained generally unchanged decades decommissioned transferred road redesignated road road route description highway began intersection highway community midway city west town east crossed thomas eastern railway north highway curving cross west creek alongside immediately north community route curved north straight remainder route highway continued entering village canadian pacific railway line north crossed boundary south north north county line highway continued community shortly crossed exit highway ended north highway intersection middlesex county road hamilton road history highway established designated predecessor section assumed august section assumed week later september originally gravel road route paved northern terminus remainder route paved route remained generally unchanged decades march decommissioned entirety transferred known road middlesex county road major intersections following table lists major junctions highway noted
Ontario Highway 74