Route 117, the Trans Canada Highway Northern Route, is a provincial highway within the Canadian province of Quebec, running between Montreal and the Quebec/Ontario border where it continues as Highway 66 east of McGarry, Ontario. It is an important road since it is the only direct route between southern Quebec and the Abitibi-Témiscamingue region.

King's Highway 66, commonly referred to as Highway 66, is a provincially-maintained highway in the Canadian province of Ontario. Located in the Timiskaming District, the highway begins at Matachewan near a junction with Highway 65. It extends eastward for 107.0 kilometres (66.5 mi) to the Quebec boundary just east of Kearns. At the provincial boundary, the highway continues eastward as Route 117. From Highway 11 at Kenogami Lake eastwards to the Quebec boundary, Highway 66 is designated as part of the Trans-Canada Highway.