The 3rd line through the south is the railway line to Krefeld and Mönchengladbach. This crosses the River Rhine and afterwards splits into the principle line and a branch to Moers and Xanten at Rheinhausen. North of your station, seven tracks run into the River Ruhr crossing (and that is https://weisheitsnews.de/die-rolle-von-sanitatshausern-bei-der-unterstutzung-der-hauslichen-pflege-in-duisburg/