The A4 Highway is a major road in Italy that connects the northern city of Turin to the eastern city of Trieste. It spans approximately 600 kilometers and serves as a vital transportation route for both commercial and personal travel. The highway passes through several important regions, including Lombardy and Veneto. Constructed in the mid-20th century, the A4 Highway is part of the European route E70, facilitating trade and tourism across the country. It features multiple toll booths and rest areas, providing services for travelers. The highway is known for its scenic views, particularly as it approaches the Alps.