Narrowing and traffic calming urban roads to where cars cannot pass cyclists would be a very difficult battle in Ontario where full sized fire engines respond to every call including for paramedics, demanding wide roads. Traffic calming has been fought tooth and nail by HOAs and many of the urban roads are stroads which cannot legally be traffic calmed with a 70km+ speed limit.
Sharing traffic between cyclists and motorists has been absolutely deadly and most people will not even attempt to ride a bicycle unless they hahe dedicated infrastructure in Ontario which Ford is trying to make illegal. Even if you follow your proposed vehicular cycling, the proposed legislation makes that more difficult too.
Contact The Biking Lawyer. They'd be all over this case.