M20 is a major motorway in the United Kingdom that connects London to Dover. It spans approximately 50 miles and serves as a key route for both local and international traffic, particularly for those traveling to France via the Channel Tunnel. The motorway is known for its strategic importance in facilitating trade and travel. It features several service areas and connects with other major roads, enhancing accessibility to various regions. M20 plays a crucial role in the UK's transport infrastructure, supporting economic activities and tourism.