King's Highway 400, commonly referred to as Highway 400, historically as the Toronto–Barrie Highway, and colloquially as the four hundred, is a 400-series highway in the Canadian province of Ontario l
Interchange of Highway 400 and 401, looking towards the south. The exit ramp to Highway 401 westbound is often congested.
Twinning through the "Wahta Gap" in 2007
Widening work in King Township in 2020
Nobel Bypass under construction north of Parry Sound in 2009
ONroute LP is a Canadian service company which has a 50-year concession to operate highway rest areas along Highway 400 and Highway 401 in the province of Ontario until 2060. The company was founded a
ONroute Port Hope
Canadian Tire gas station at ONroute Cambridge South
ONroute Cambridge North with limited seating and mandatory masks for patrons during the COVID-19 pandemic