A_30 is a type of road in the United Kingdom, specifically classified as an A road. It connects various towns and cities, facilitating transportation and commerce. The road is part of the larger network of A roads that serve as major routes for vehicles across the country. The A_30 runs through scenic areas, including parts of Cornwall and Devon. It is known for its picturesque landscapes and is often used by tourists exploring the region. The road plays a crucial role in local economies by providing access to businesses and attractions along its route.