This image shows a bend in the Trans-Canada highway as it approaches the shore of Lake Superior and turns back inland.
Alutone Reproductions by E. S. & A. Robinson (Canada) Limited, Leaside, Ontario
The description states:
CANADIAN LAKE SUPERIOR POST CARD SERIES
Trans Canada highway North of Sault Ste. Marie, Ontario
–The highway runs all the way from Victoria, on Vancouver Island, to St. John’s, Newfoundland.
This image likely dates from the 1950s.