The bad externalities of cars are numerous and extend well beyond those things you list, but primarily they create an astoundingly expensive barrier to being pa

The bad externalities of cars are numerous and extend well beyond those things you list, but primarily they create an astoundingly expensive barrier to being part of society and not someone who's left behind. There aren't enough tunnels in the world to dig your way out of traffic problems. The more roads you make the more traffic you get. Toll roads just increase the already staggering cost of owning a car, marginalizing even more people. What about not doing that and instead investing in alternatives?