A few days ago comrade /u/InevitableSwing posted an astounding graph of automobile deaths per capita in different countries.
Obviously America was number one by far 
but what was amazing to me was that Canada's rate is nearly three times lower.
The countries are not that different in many ways 
.
Certainly things like aggressive driving and speed limits of course play a role, but I think the key is probably something a lot more simple: public fucking transit usage.
Example A:
USA
- Own car/drive: 85%
- Public transit: 12%
- Bike: 11%
Example B:
Canada
- Own car/drive: 67%
- Public transit: 23%
- Bike: 11%
So overall 18% fewer Canadians drive, and nearly twice as many take pubic transit.
A lot of our population is centred around the major cities that have decent public transit, and even some of the medium sized cities have decent bus systems too.
- Toronto
- Montreal
- Vancouver
I mean, did Canada have a significant ethnic minority that people were afraid of the same extend that white america feared black/brown america? A lot harder to do white flight if the people who remain in the cities are also white. The only real ethnic conflict in Canada in the immediate post war period was between the French Canadians and the majority Anglo Canadians, and even the palest englishman is not really all that afraid of a french guy.
Obviously not correcting you, just wondering if my explanation makes sense, since Canadian history isn't really a thing that people can passively pick up for the most part.