I worry that by the time you merge back in, a car from the right could take you down. Merging is terrifying as a bicyclist.
Those "shared lanes" are a disaster, and even the non-physically separated bike lanes are dangerous, since you can both get door'd by a parked car from the right, and you can hit on the left by a car.
I've noticed that they've been adding physical separation on Market st, but most of the bike lanes here are still incredibly dangerous.
Why would there be a car on the right? When you are in the go-straight main traffic lane (or the rightmost main traffic non-turn lane) then any car on the right is in the right turn lane, and is therefore, by definition, turning right, away from you. How would that take you down? I think you are misunderstanding the scenario.
Those "shared lanes" are a disaster, and even the non-physically separated bike lanes are dangerous, since you can both get door'd by a parked car from the right, and you can hit on the left by a car.
I've noticed that they've been adding physical separation on Market st, but most of the bike lanes here are still incredibly dangerous.