The A21 Road is a major road in England that connects London to the coastal town of Hastings. It runs through several towns and cities, including Sevenoaks and Tunbridge Wells, and is an important route for both local and long-distance traffic. The road is approximately 70 miles long and is primarily a dual carriageway, allowing for faster travel. The A21 serves as a key link for commuters and tourists alike, facilitating access to the Kent countryside and the South East region. It also plays a significant role in the transport of goods and services, contributing to the local economy and connectivity.