There's no excuse for this level of twattery. If you want to turn left, do it from the left lane. If you wanna use this lane, go straight on and turn around up ahead if you have to. Don't put yourself in danger through impatience
Vauxhall Zafira driving at an absolute snails pace on the A6. One of those pricks who once level with traffic lights that turn amber, they jam on because they want to stop at all the lights.