The Fréjus Tunnel is a major road and rail tunnel that connects France and Italy, running beneath the Alps. Opened in 1980 for vehicles and in 1871 for trains, it spans approximately 13 kilometers (8 miles) in length. The tunnel plays a crucial role in facilitating transportation and trade between the two countries, significantly reducing travel time across the mountainous region. The tunnel is part of the Fréjus Pass, a historic route that has been used for centuries. It is an essential infrastructure project that enhances connectivity and supports economic activities in the surrounding areas. The Fréjus Tunnel is also known for its engineering significance, showcasing advancements in tunneling technology.