At the beginning of 2007, the construction company Wöhr + Bauer created an underground garage with three levels below the Alexanderstraße, located between the hotel tower and the Elektroindustrie building, which cost 25 million euros to build and provides space for around 700 cars. The opening took place on November 26th, 2010. At the same time, the Senate narrowed Alexanderstraße from almost 100 meters wide to 58 meters wide, thus reducing it to three lanes in each direction. The cost of this amounted to 9.7 million euros.