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 (the Queensway). In the late 19th century and the early 20th century, it was one of the most prestigious addresses in Ottawa being home address of Ottawa's mayor Thomas Birkett (306 Metcalfe, Embassy of the Republic of Hungary in Ottawa), Canada's lumber and railroad baron John Rudolphus Booth (252 Metcalfe, Booth House), inventor Thomas Willson a.k.a. Carbide Willson, and Sir Alexander Campbell, law partner of Sir John A. Macdonald (236 Metcalfe).