Just got home to do some work in peace and quiet, but before I start I'll relate what just happened on the way home.
Riding up towards a roundabout (Queens Road/Northampton Street), looked, signalled, picked right hand lane, and approached to turn right. A car continued really very fast behind me, swerved in to the left lane, came along side, and the driver yelled at me to 'move over'. I didn't have anywhere to go as she pulled right towards me, making contact sufficient almost to take me off the bike. Had another car come on to the roundabout coming the other way, I'd probably have faced a combined 40mph head on collision or, worse, have been jammed between the two vehicles.
I caught her up twice (you always catch up - they're never going to gain anything by their driving, ever, the roads are always too congested for that) and demanded that she stop - she'd hit me, checking over both myself and my bike before she drove off to ensure no damage is reasonable. She didn't - on the second occasion she sat in her car, gave me the 'watching you' stare (both fingers pointing at her eyes, then at me). I challenged her to phone the police, but frankly by now I was terrified of an old lady empowered to act in a violent way by being in her car.
I don't take a helmet camera with me every day. Are we at the point where road assault is so common that we need to film every last moment on our roads? As I didn't have my camera, I've got nothing to take to the police.
Now, she was probably terrified of me - she was an older lady, and having swerved her car in to me and seen me still there in her mirror, I can understand why at that point she's got no interest in stopping and exchanging details. I guess once the cyclist is no longer directly in your sights he's no longer such an easy target. I was both terrified and furious - as you might imagine. But without video evidence I wanted her to stop to make sure no damage was done, and I'd yell at her about that again.
I've often said that Cambridge is both the best and worst place to ride. Here's a good example of the latter.