Twice today I got beeped at. 

One clearly expected me to somehow brake hard from 20mph and wait rather than go round a parked car, so despite me looking back and giving him plenty of notice he accelerated hard and honked when I moved out to go round.
Another one expected me to be in the bike lane while doing 25mph. A bike lane on the edge of the road, with the shit from the trees, the drains, only half tarmaced and trees overgrowing it (no footpath, on edge of countryside).
It's the same while running, while some drivers are patient and give space while running on the road, others seem to be allergic to the brake pedal and will nip past at 40mph in a 30.