Simple, traffic is bad because SF is very dense but traffic levels are the only barrier to driving.
Density and walkability do not fix car traffic on their own, nor should that be their goals since easy traffic with no other barriers means more will drive.
Want traffic down? Use congestion prices.
imo the answer here has to do with the political economy of San Francisco. The city has the density to support a much better transit and active transportation network, but a critical chunk of both city government and the electorate is too car-brained. www.sfchronicle.com/sf/article/t...
sfchronicle.com
S.F. is one of America’s most walkable cities. So why is its traffic so bad?
San Francisco is consistently ranked one of the most walkable and transit-friendly cities in the United States. Its congestion is also among the worst.