At the northern terminus of Highway 553 at
Bull Lake, the roadway continues as tertiary
Highway 810. The route of Highway 810 was part of Highway 553 prior to 1976, but was downgraded to tertiary highway status in that year because of its more limited traffic usage.
Secondary Highway 607, commonly referred to as Highway 607, is a
provincially maintained highway in the
Canadian province of
Ontario, near
French River Provincial Park. It links
Highway 64 to
Highway 69, and mainly serves as a bypass of the intersection of Highways 64 and 69. Its total length is approximately 9.5 kilometres (5.9 mi). Its northern terminus is Highway 64, and its southern terminus is at Highway 69, near Bigwood.
Secondary Highway 607A, commonly referred to as Highway 607A, is a
provincially maintained highway in the
Canadian province of
Ontario, in
French River Provincial Park. The route connects
Highway 607 to
Bon Air and French River Provincial Park. Its total length is approximately 2.6 kilometres (1.6 mi). The northern terminus of the highway is Highway 607, while the southern terminus is in French River Provincial Park, 0.5 kilometres past Bon Air.
Secondary Highway661 commonly referred to as Highway661, is a
provincially maintained secondary highway in the
Sudbury District of the
Canadian province of
Ontario. It is a highway spur that measures 4.6 kilometres (2.9 mi) in length and connects the town of
Gogama with
Highway 144. It is the only provincial highway of any class that intersects Highway144 apart from its termini and the route of
Highway 560. Highway was firsst assumed by the Department of Highways, predecessor to the modern
Ministry of Transportation on January11, 1968.[2]
It connected to the eastern terminus of Highway560. That route travelled south to
Westree along the alignment of what is now Highway144, which was under construction at the time.[3]
^
abOntario Department of Highways (March 31, 1968). "Appendix No. 21 – Schedule of Designations and Re-Designations of Portions of the King's Highway, Secondary Highway and Tertiary Road Systems for the Fiscal Year Ending March 31, 1968".
Annual Report (Report). p. 336. Retrieved February 8, 2021.
^Ontario Road Map (Map). Cartography by Photogrammetry Division. Ontario Department of Highways. 1968. § H12.