Highway 7

Highway 7 is a provincially maintained highway in Ontario, Canada, commonly called King's Highway 7.

Highway 7 is a provincially maintained highway in Ontario, Canada, officially named King's Highway 7. It exists as two separate segments: a western stretch from north of London to Georgetown, and an eastern stretch from Markham to Ottawa.

What it is

Highway 7 is a provincial highway in Ontario that spans about 535.7 km in its current form. It is split into two discontiguous parts: the western segment runs from Highway 4 north of London to Georgetown, and the eastern segment runs from Donald Cousens Parkway in Markham to Highway 417 in Ottawa. At its historical peak, the route was a continuous 716 km road stretching from near Sarnia to west of Ottawa.

Why it matters

Highway 7 is an important east-west corridor through central and eastern Ontario. Some sections serve as alternatives to major highways like the 401, and parts of the eastern segment are part of the Trans-Canada Highway network. For Canadian readers, it connects communities across southwestern, central, and eastern Ontario, intersecting broader provincial and national travel routes.

Key details

The highway is provincially maintained, but conditions vary by segment. There is no single speed limit or construction status for the entire route. Historical transfers to local jurisdiction left the present disconnected western and eastern sections. Total current length is 535.7 km, down from the peak length of 716 km.