The northern approach from Munich within Germany is the Grafing-Rosenheim-Kufstein route. The Brenner Nordzulauf (Brenner northern link) project aims to construct a high-speed line for speeds of up to 230 km/h (143 mph) between Grafing and Brannenburg in addition to the existing line, adapting the route's capacity to the projected increase as a result of the BBT. The project has reached in-depth planning stages but suffers from lacking support by locals. A more direct route between Munich and Innsbruck, for example, via Garmisch-Partenkirchen, Mittenwald and Seefeld was not pursued, though it could have shortened the Munich Innsbruck line to .