The European Route E4 is a major road in the European road network, part of the International E-road system. It stretches approximately 7,000 kilometers, connecting various countries from the north to the south of Europe. The route begins in Helsinki, Finland, and travels through several countries, including Sweden, Denmark, Germany, and Italy, before ending in Sicily. This route is significant for facilitating trade and travel across Europe. It passes through diverse landscapes and urban areas, providing access to important cities such as Stockholm, Sweden, and Rome, Italy. The E4 plays a crucial role in connecting regions and promoting economic activities across the continent.