According to google image search, the hard shoulder is still tarmac. it's more like a sort of concrete cobblestone. If you drive over it with a car then the whole car is shaking. got about 12 inches on both sides of the tarmac. tarmac itself is just wide enough for a single car. 2 cars can pass when they both go over that "cobblestone" and in the grass with two wheels.
According to google image search, the hard shoulder is still tarmac. it's more like a sort of concrete cobblestone. If you drive over it with a car then the whole car is shaking. got about 12 inches on both sides of the tarmac. tarmac itself is just wide enough for a single car. 2 cars can pass when they both go over that "cobblestone" and in the grass with two wheels.