Knittlingen is a town in the Enz district in Baden-Württemberg in southern Germany. It lies at the eastern edge of the Kraichgau in the centre of a rectangle that is formed by Heidelberg, Karlsruhe, Heilbronn, and Stuttgart. From Wikipedia
The Mannheim-Stuttgart line shuts down tonight for seven weeks, while the Ruhrgebiet faces four-week disruptions starting April 25, with significant impacts on passenger and freight services.