Abstract Acacias

They're more predictable. You still have to pay attention, for sure, but once you get used to it, I think it's safer. Parked cars give a false sense of security. (I'm usually in a situation where I bike between vehicles without having a separate bike lane--or any lane for that matter--and I worry much less since the driver a moving vehicle is generally noting its surroundings more carefully than the person swinging his door wide after stopping.)