Highway 17 | ||||
|---|---|---|---|---|
| Trans-Canada Highway | ||||
 | ||||
| Route information | ||||
| Maintained by Ministry of Transportation of Ontario | ||||
| Length | 1,964.0 km (1,220.4 mi) | |||
| Existed | February 26, 1920–present | |||
| Tourist routes |  Lake Superior Circle Tour | |||
| Major junctions | ||||
| West end |  PTH 1 (TCH) towards Winnipeg | |||
 Highway 71 – Kenora Highway 61 – Thunder Bay Highway 11 – Nipigon Highway 101 – Wawa To I-75 in Sault Ste. Marie Highway 6 – McKerrow Highway 69 – Sudbury Highway 11 – North Bay Highway 41 – Pembroke Highway 60 – Renfrew | ||||
| East end |  Highway 417 near Arnprior | |||
| Location | ||||
| Country | Canada | |||
| Province | Ontario | |||
| Major cities | Kenora, Dryden, Ignace, Thunder Bay, Wawa, Sault Ste. Marie, Sudbury, North Bay, Mattawa, Petawawa, Pembroke, Arnprior | |||
| Highway system | ||||
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Ontario Highway 17 is a provincial highway in Ontario, Canada. It is 1,964 kilometres (1,220 miles) long. This makes it Ontario's longest highway. It starts on the border with Manitoba, near Kenora. It ends near Arnprior where the highway merges with Ontario Highway 417.
Highway 17 forms the Ontario part of the Trans-Canada Highway.
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