I thought going faster on the road would reduce the speed differential to cars and make me feel safer riding in the bike lane (aka bike gutter). What I've found is that drivers are so focused on I must pass all cyclists that what really happens is that there is still a 20+MPH speed differential... It's just that now I'm able to do 30MPH while being passed by someone at 50MPH.
There's a stretch of road I take regularly where I always maintain 28+MPH because of the hill leading into it. The speed limit is 30MPH, and it's all double yellow lines. I feel like most of the cars passing me realize about halfway through the maneuver that what they are doing is insane, but they are 100% committed to passing the "slow bicycle". At least there's something about doing 50 down a narrow road that causes them to move waaay over to the left.
(slightly related: Yesterday this didn't happen on one stretch of road with a 25MPH speed limit, so the Varia radar "forgot" about the car that was pacing me and I jumped when I shoulder checked and saw a car)