Even Dutch cities like Amsterdam and Utrecht don't ban taxis and other commercial vehicles from the city center because they serve a useful purpose in a tourist

Even Dutch cities like Amsterdam and Utrecht don't ban taxis and other commercial vehicles from the city center because they serve a useful purpose in a tourist city, so I'm not sure why SF would have to. There's a huge amount of possibility-space between "everything is designed exclusively for cars" and "replace all roads with light rail".