This sounds like Italian driving. If you haven't driven in Italy, expect zero braking during merges. I really do mean zero. Trucks will move over (at speed),

This sounds like Italian driving. If you haven't driven in Italy, expect zero braking during merges. I really do mean zero. Trucks will move over (at speed), cars will move over (at speed). The "zipper" action is seamless and fluid, even when the vehicles are temporarily extremely close to each other. Just look down the road, see a merge may happen. If you are a truck move over, if you are a car you may need to accelerate to move over. The first time you experience this it looks and feels scary, especially as people merge with only 50cm-1m between vehicles. But once you're used to it you realise that you virtually never slow down and merges are really quick and easy.