I doubt this is why, but... on Hwy 101 near SFO, I see lots of rear-end accidents in the HOV lane. Speeds often go from 65 mph to 0 in seconds (crash), whereas

I doubt this is why, but... on Hwy 101 near SFO, I see lots of rear-end accidents in the HOV lane. Speeds often go from 65 mph to 0 in seconds (crash), whereas the other lanes go from 30 to 0 (hard braking). Granted, if you're alert, the HOV lane can offer some median space to swerve into.