As illustrated in the video https://m.youtube.com/watch?v=V1kOLhhSjl8 https://m.youtube.com/watch?v=V1kOLhhSjl8 it is hard to solve transportation by patching p

As illustrated in the video https://m.youtube.com/watch?v=V1kOLhhSjl8 https://m.youtube.com/watch?v=V1kOLhhSjl8 it is hard to solve transportation by patching part of it. How people go to work, get health care, buy groceries, go to school, get entertainment, etc all require transportation. The denser the city, the better it is suited to do transportation right. London is notorious for its traffic, but given its size and population, I think it is doing very decently. I wonder how many transport improvements is coming from an US centric hammer, i.e. a better, environmental friendlier car