Hwy 663 Sign Graphic Hwy 663 Title Graphic Hwy 663 Sign Graphic   

Ontario Highway 663 Quick Facts:
  • Years in Existence: 1972-Present
  • Current Status: In Service
  • Location: Northeastern Ontario
  • District Served: Cochrane
  • Towns Served: Calstock
  • Southern Terminus: Hwy 11 - West of Hearst
  • Northern Terminus: CNR Crossing - Calstock
  • Current Length: 5.3 km / 3.3 miles
HWY 663 ROUTE MARKER - © Cameron Bevers
Secondary Highway 663 Sign © Cameron Bevers

History of Secondary Highway 663:

Secondary Highway 663 is a local highway in the District of Cochrane that serves as an access road from Highway 11 to Calstock, located west of Hearst. The Calstock Road was first designated as Highway 663 in the early 1970s. In March 1972, a Preliminary Assumption Plan was prepared by the Ministry of Transportation and Communications (MTC) which showed the planned assumption of the Calstock Road as a new Secondary Highway. The Preliminary Assumption Plan was registered on March 30, 1972, and the entire route from the Highway 11 Junction northerly to Calstock was formally designated as Secondary Highway 663 by an Order-in-Council dated May 3, 1972. Highway 663 is paved for its entire length. Unless posted otherwise, the speed limit on Highway 663 is 80 km/h (50 mph). There are no services available on this highway.

Photographic History of Secondary Highway 663

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