The urban-suburban sprawl situation in the US, which is the focus of this article, is far removed from the EU. Metropolitan areas in the US are characterized b

The urban-suburban sprawl situation in the US, which is the focus of this article, is far removed from the EU. Metropolitan areas in the US are characterized by having hundreds of kilometers of inefficient low density suburbia. In the US, the highways you mentioned are mostly utilized for inefficiently shuttling of people back and forth across the suburban sprawl. As mentioned in the below linked article, in the US metropolitan areas, urban city areas have 2x to 4x less carbon footprint per capita than the suburbs. https://www.brookings.edu/articles/its-not-just-cities-suburbs-and-exurbs-need-to-adopt-and-implement-climate-plans-too/#:~:text=In%20metropolitan%20regions%2C%20suburbs%20emit,up%20to%20twice%20the%20average https://www.brookings.edu/articles/its-not-just-cities-subur....