I do see more than enough such near misses of this type to believe they're something of a problem, including the most recent one where the nearness of the miss was scarily close for comfort - just joined the M40 when the muppet in front of me decides they want to be in L2
right now, despite there being an Oxford Tube double-decker already passing me... quite impressed by the braking ability of the coach and the reaction speed of its driver, totally
unimpressed by the inability of muppet to spot a huge red-painted coach just a few yards behind and to the right of them before they changed lanes
However, in my experience, the biggest problem (at least on D/Cs and motorways, where I do most of my driving) is impatient/selfish/arrogant drivers believing they have some sort of divine right to stick their vehicle onto any part of the road surface at any time, regardless of whether there might be another road user attempting to use/actually in the process of using that part of the road. In other words, those drivers who know
full well there's another vehicle alongside them/just behind them but choose to pull out/cut in anyway. Forcing another road user to take evasive action because you hadn't bothered to see if they were there first is bad enough, but forcing evasive action from someone when you DO know they're there, and when you DO know what the consequences of your maneouvre will be, is totally unacceptable.
Signalling... what I find particularly frustrating is when someone starts a maneouvre and
then starts indicating - it's as if they're remembering some vague notion about signalling their maneouvres, but haven't quite grasped the concept of indicating intent rather than action.
With regards to near misses/crap driving in general though, has anyone else noticed an obvious increase over the last few weeks? Up till this month, the examples of bad driving I'd see each day on my drive to/from work could always be counted on the fingers of one hand. In the last few weeks though, I seem to be running out of fingers with at least half the journey still to go...