On 19 July 2007, it was announced by the Federal Government, the State of Baden-Württemberg and DB that the project had been approved. Identified funding sources are: DB (€1,115 million), the State of Baden-Württemberg (€685 million), and the Federal Government (€500 million). The agreement also made provision for possible increases over the €2.8 billion estimate of up to €1 billion, with Baden-Württemberg agreeing to fund up to €780 million and DB agreeing to fund up to €220 million. According to the statement, €2 billion would also be invested in the railway to Ulm, with the total budget amounting to €4.8 billion.