> That mean in very clear terms that if you can't do the overtaking in a timely fashion without blocking other drivers, then you should not enter the left lane.

> That mean in very clear terms that if you can't do the overtaking in a timely fashion without blocking other drivers, then you should not enter the left lane. And then there are the drivers who are in the centre/right lane who, when you try to pass on their left, speed up to try to prevent you from passing them.