Imagine how this would disempower landlords if you could commute to either of those cities from anywhere between them.
Car dependency is about power, it's about keeping workers vulnerable and reliant on constant employment to participate in society. The one thing the US and Canada has over other imperial powers is the obscene amount of space each state has at its disposal within the metropole with which to construct what really is an exceptional form of oppression. It's important to recognize that when you're talking about ending car dependency, this is an existential threat to either power, and they will treat it in kind.
There is convenience in the ineptitude of neoliberal politics in state-planning and infrastructure, which most people attribute as the cause of this development, but it's crucial to remember that suburban sprawl and car dependency were state projects by the US and Canada in very much they same way neoliberal privatization is.