Bitterfeld is a town in the district of Anhalt-Bitterfeld, Saxony-Anhalt, Germany. Since 1 July 2007 it has been part of the town of Bitterfeld-Wolfen. It is situated approximately 25 km south of Dessau, and 30 km northeast of Halle. From Wikipedia
The overhaul renews switches with extensive track work to raise capacity toward a future half-hourly Berlin–Munich service.