Ontario is not a nation, therefore it does not have a "national" highway.
By far the busiest highway in Ontario is Hwy 401, which crosses the Southern portion from Windsor, through Toronto, along the northern shore of Lake Ontario and extends beyond the Quebec border.
Canada's national highway is the Trans Canada Highway, which branches out and follows several different routes as it cuts across the province.
no it isn't in fact it is British Columbia's bird
a national highway system
nh7
what is movement in Ontario
Which National Highway passes through Ladakh?
The National Defense Highway System is usually called the Interstate Highway System or the Eisenhower Highway System.
National Park to Park Highway was created in 1916.
It is approximately 12,200,000.
Lake Superior
National Highway Traffic Safety Administration was created in 1970.
Ottawa
A state highway is a road that is either numbered by its state with a number that is lower than U. S. national highway routes, or a road that is a U. S. national highway route, but is maintained by the state in which it is located.