Is San Fran really known for its public transport system? New York, sure. Everyone's heard of their subway. The first time I'd ever heard of BART was when I

Is San Fran really known for its public transport system? New York, sure. Everyone's heard of their subway. The first time I'd ever heard of BART was when I visited briefly, and in doing so I learnt 2 things: 1) BART is pretty bad: noisy and a small network 2) Talking to people during my short stay made it pretty clear San-Fran and the bay area was considered 99% car territory, and traffic/congestion/commuting around SF was a significant problem commensurate with that fact. Edit: understand this is a genuine question asked as a foreigner who has only formed an impression from short visits.