History of Secondary Highway 517:
Secondary Highway 517 was a local highway in the Counties of Hastings and Renfrew which connected the Boulter Road to Highway 62 in Combermere. The history of
Highway 517 dates back to 1956, when the Department of Highways of Ontario (DHO) designated the Craigmont Road as a new Secondary Highway. Preliminary Route Plans
were prepared in April 1956, which showed the proposed assumption of the Craigmont Road as part of a new Secondary Highway. The highway was first designated as
Secondary Highway 517 by virtue of an Order-in-Council dated May 9, 1956. A primed bituminous surface was constructed along Highway 517 during 1956, with paving
completed in 1968. The route of Highway 517 essentially remained unchanged throughout its period of provincial ownership. In the late 1990s, jurisdiction over
Highway 517 was transferred from the province to the Counties of Hastings and Renfrew. The highway transfer took place on January 1, 1998. Unless posted otherwise,
the speed limit on Highway 517 is 80 km/h (50 mph). There are no services available along this highway.
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