- Status: In Service
- Years in Existence: 1920-Present
- Location: Eastern & Northern Ontario
- Western Terminus (1997): Ontario-Manitoba Boundary
- Eastern Terminus (1997): Hwy 417 - East of Hawkesbury
- Length in 1997: 2129.7 km / 1322.8 miles
- Western Terminus (2005): Ontario-Manitoba Boundary
- Eastern Terminus (2005): Hwy 417 & Old Hwy 15 - Arnprior
- Length in 2005: 1965.3 km / 1220.7 miles
- Highest AADT: 25,700 (Seymour St to Hwy 17B, North Bay)
- Lowest AADT: 1,700 (Old Woman River to Mission Rd, Wawa)
Modern King's Highway 17 Sign
