Hwy 612 #1 Sign Graphic Hwy 612 #1 Title Graphic Hwy 612 #1 Sign Graphic   

Ontario Highway 612 (#1) Quick Facts:
  • Years in Existence: 1956-1958
  • Current Status: Renumbered as King's Highway 108 in 1957-1958
  • Location: Northeastern Ontario
  • District Served: Algoma
  • Towns Served: Elliot Lake
  • Southern Terminus: Hwy 17 - Serpent River
  • Northern Terminus: Quirke Lake
  • Length in 1957: 52.2 km / 32.4 miles
HWY 612 ROUTE MARKER - © Josh Anderchek
Secondary Highway 612 Sign © Josh Anderchek

History of Secondary Highway 612 (#1):

Secondary Highway 612 was a local highway in the District of Algoma which briefly served the uranium mining region around Elliot Lake during the 1950s. Highway 612 was first designated as a Secondary Highway by an Order-in-Council, effective May 9, 1956. The highway began at Serpent River on Highway 17 and extended north for just under 32 1/2 miles (52 km) to Quirke Lake. During 1956 and 1957, major upgrades were made to the route of Highway 612, including substantial realignment and curve straightening. Not only did this reconstruction of Highway 612 drastically improve the alignment of the highway, it also shortened the highway distance between Highway 17 and Quirke Lake by several miles. By the end of 1957, the entire length of the highway had been improved and paved. It was then decided to re-designate Highway 612 as a King's Highway. In December 1957, the changeover in designations began and this continued until January 1958, when the Highway 612 designation had been replaced in its entirety by the new Highway 108 designation. Another, unrelated Highway 612 was established in the Districts of Muskoka and Parry Sound in 1960.



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