In 2004, ASFINAG, the federal government and the states signed a "Joint Declaration on the Development and Implementation of Environmental Relief Measures" along the A 10 Tauern motorway between Salzburg and Carinthia. A package of around 300 million euros was set up to effectively protect the residents. The housing project in Zederhaus is currently the largest project (investment 67 million euros) realized.
End of August 2013, work began on the construction of a nearly one and a half kilometer long enclosure, which is to protect the residents of Zederhaus from the noise along the A 10 and by summer 2017 should be completed.