evidence: Antrim Coast Road: A beauty and a beast - Published [...] The Antrim Coast Road, or A2 to give it its functional title, runs from Larne to the Giant's Causeway taking in a series of seaside villages that nestle by the shore where the glens slope to the sea. [...] ``There are a number of issues and they all relates to the varying geology around the coast road. It relates to rock faces where you've rock falls and landslides.