The A20 Road is a major road in the United Kingdom that runs from London to Dover. It serves as an important route for both local and long-distance traffic, connecting various towns and cities along the way. The road is approximately 70 miles long and is part of the larger network of roads that facilitate travel and trade in the region. Along the A20, travelers can find several key locations, including Folkestone and Ashford. The road is also significant for its proximity to the Channel Tunnel, which links the UK to mainland Europe. This makes the A20 a vital corridor for transportation and commerce.