Ontario Highway 133 (#1) History - The King's Highways of Ontario

Ontario has had two routes known as King's Highway 133. The first Highway 133 route served as the western bypass of Peterborough in the latter half of the 1950s. A Preliminary Route Plan was prepared by the Department of Highways of Ontario (DHO) in May 1956, which showed the proposed King's Highway between the Highway 7A & Highway 28 Junction at Five Mile Corners and the Highway 7 Junction at Fowlers Corners. The DHO assumed the road as King's Highway 133 on December 28, 1956. The new highway was approximately 6 miles (9 km) in length. The highway was initially gravel-surfaced for its entire length, but the route was paved in 1960. 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.