at 10.3% (2011). Important branches of industry in Tyrol are the food industry, wood processing and mechanical engineering. The industry in Tyrol consists mostly of small and medium-sized companies. The craft still plays a special role throughout the region. A large part of these craft businesses are still partially small-structured and family businesses. From an economic point of view, the energy sector is important in the secondary sector. Much of the electricity produced is generated by hydropower. Tertiary sector The most important sector in Tyrol is the tertiary sector. Especially tourism has a special position in this region. Due to the connection of the areas by the railway in the 19th century, many villages in Tyrol developed into popular tourism locations. The construction of the Brenner motorway in the 1960s gave the region in the 20th century a renewed upswing in the tourism branch. Today, Merano, Kitzbühel, Cortina or Riva del Garda are among the most important tourism destinations in the Alpine region. In 2013, the Euroregion counted over 80 million overnight stays in the Tyrolean region (to compare - Province of Rome in 2011: 25.8 million overnight stays). Also important for Tyrol is the trade. Among other things, the Exhibition of Bolzano has been a meeting point for Italian and German economy already for centuries. As a transit route country, more than 2.25 million trucks (2017) drove over the Brenner Pass. This means that two times more trucks travel on the Brenner Route than in all four Alpine crossing roads in Switzerland together. Transport Tyrol is known as a transit route. The most important route between northern and southern Europe, the Brenner route, traverses the entire region. At 1370 m above the Adriatic, the Brenner Pass is the lowest pass crossing of the main chain of the Alps. Due to the linguistic diversity and the climatic transition from temperate climate (alpine climate) to mediterranean climate, the area is regarded as a bridge between the Italian and German speaking countries. Airports The most important airport in Tyrol is Innsbruck Airport. With over one million passengers, it is the third largest airport in Austria. Other airports in the region are in Bolzano and Trento. These do not offer regular scheduled flights and the Bolzano Airport currently offers charter flights. There are other small airfields in Toblach, Kufstein, St. Johann in Tirol, Reutte and Cortina. The airfield in Cortina was closed in