Originally Posted by -Ralph-

Just be careful undertaking trucks that are in lane two. They have a pretty big blind spot where the mirrors give a view straight over the roof of your car towards the back of the trailer, and could easily side swipe you by trying to return to lane 1. If your going to do that be expecting it and be ready to swerve onto the hard shoulder if you need to. Best not to at all TBH as the hard shoulder could disappear for a section, or there could be a broken down vehicle sitting on it, just when you need it as an escape route.