The consequences would be the same if they were stopped by a police officer. The question is whether the police could set up checkpoints for all sorts of vehicles in a rural setting. There are also all kinds of vehicles in Toronto. Police officers can set up checkpoints almost anywhere. On the road I use regularly in Ontario—Highway 17 between Marathon et Wawa—there aren't many towns and villages.
Evidence of meeting #25 for Public Safety and National Security in the 42nd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was part.
A recording is available from Parliament.