Hurontario Street

Hurontario Street is a roadway running in Ontario, Canada between Lake Ontario at Mississauga and Lake Huron's Georgian Bay at Collingwood.

Within the cities of Mississauga and Brampton, it is a major urban thoroughfare. Between Caledon and Orangeville, it is part of busy Highway 10, which leaves the Hurontario Street alignment north of Orangeville to head for Owen Sound. From Orangeville to Glen Huron, it is a hilly, discontinuous concession road. North of there, it is part of former Highway 24 until its terminus in Collingwood.

Within much of the city of Brampton, this road is known as Main Street.

Hurontario is one of the busiest transit corridors in the '905 Region' of the Greater Toronto Area. A light rail transit line is tentatively planned to be built along the street in Mississauga and the southern half of Brampton (see Hurontario-Main Street LRT).

As of November 15, 2009, there is a permanent discontinuity of sorts immediately outside the northern border of Brampton, in Caledon, where Hurontario Street meets Highway 410. The street changes into Valleywood Boulevard at the Highway 410 overpass. Northbound traffic must follow the sign for Highway 10 by turning right to enter the cloverleaf ramp to Highway 410. Southbound Hurontario Street traffic must now take an exit ramp to continue south on Hurontario.