The A38 is a major road in the United Kingdom that runs from Birmingham in the West Midlands to Exeter in Devon. It spans approximately 292 miles and serves as an important route for both local and long-distance traffic, connecting various towns and cities along the way. The road passes through several key locations, including Bristol and Plymouth, and is known for its scenic views, particularly in the Dartmoor National Park area. The A38 is also a vital link for commercial transport, facilitating the movement of goods across the southwest region of England.