A separated bike lane is supposed to have a physical barrier; SF's 2nd street bike lane was just a "buffered" bike lane, which means there's just some extra spa

A separated bike lane is supposed to have a physical barrier; SF's 2nd street bike lane was just a "buffered" bike lane, which means there's just some extra space between motor traffic and the bike lane. Poking around it seems like the city may have recently added some safe-hit posts to improve it a little bit.