Streetsblog made this illustration of how bike lanes are actually smaller than they might look, because you have to avoid doors. Here’s a good factoid:
According to the SFMTA, dooring is the second most common form of injury collision involving cyclists, behind unsafe speed, though the San Francisco Bicycle Coalition (SFBC) points out that dooring is the highest injury collision type caused by motorists or their passengers.
For goodness’ sake, don’t get doored! I see so many people riding really close to parked cars, traveling at high enough speeds that if a door pops open they’re fucked.
Read on for news about some possible changes coming to SF bike lanes. But the main thing is, stay out of the door zone, for goodness’ sake!