Brenner Autobahn Eastern Alps; this favourable location was therefore suitable for building the first motorway crossing among the Alpine main chains. Unlike other higher passes across the Alps, the Brenner Pass remains open all-year round and through the winter months. Construction of the motorway began in 1959 and the "Brenner Autobahn", including the Bridge of Europe (Europe's highest motorway bridge then), was partially open in 1963. The A13 begins in the south of Innsbruck from the east-west motorway A12 Inntal Autobahn ("Inn Valley Motorway"), which links Bregenz in western Austria to Kufstein near the border of Bavaria in Germany. At above sea,
Duran Pass km, with a maximum gradient of 14%. Duran Pass The Duran Pass () (el. 1601 m.) is a high mountain pass in the Dolomites in the province of Belluno in Italy. It is situated between the municipality of La Valle Agordina and Zoldo Alto; it connects Agordo in the Cordevole valley and Pralongo in the Zoldo valley. The pass road is SS 347. There are two restaurants and a little church at the summit. The pass is regularly used on the Giro d'Italia, with the last edition to climb the Duran being the 2012 Giro. Climbing from the classic Agordo