This is supposed to be a speed limit sign in Ontario. It is not however. Someone should make a movie about that...
On a 100km drive from Toronto Pearson to Waterloo, I passed zero people when following the absolutely moronic 100km/h limit on the 401.
The following movie was done a few years ago, and shows the idiocy of an arbitrarily low limit.
You'll never be the dominant industrial power if you drive at that speed! - Clarkson on the 100km/h limit in Japan