Metcalfe Street is a downtown arterial road in Ottawa, Ontario, Canada. It is named for Charles Theophilus Metcalfe, a nineteenth-century Governor General of the Province of Canada. It is a north-south route, operating one way northbound, providing a key thoroughfare from Highway 417. In the late 19th century and the early 20th century, its homes included those of Ottawa mayor Thomas Birkett, Canada's lumber and railroad baron John Rudolphus Booth, inventor Thomas Willson a.k.a. Carbide Willson, and Alexander Campbell, law partner of John A. Macdonald.