History of King's Highway 133 (#1):
Ontario has had two routes known as Highway 133. The first Highway 133 route served as the western bypass of Peterborough in the latter half of the 1950s.
The highway was first commissioned on November 28, 1956, at a length of 9 km. The highway began at Highway 7 at Fowlers Corners, and connected with
Highway 28 west of Peterborough. In an effort to improve highway numbering logic in the area, Highway 133 was renumbered as Highway 7 in 1960. A different,
unrelated Highway 133 existed near Millhaven between 1965 and 1997.
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