"Berlin Subway • Trackmap"(PDF). Gleisplanweb.de (in German and English). Kranenburg: Christian Stade. 11 December 2022. Archived from the original(PDF) on 7 April 2023. Retrieved 11 June 2023.
web.archive.org
"Berlin Subway • Trackmap"(PDF). Gleisplanweb.de (in German and English). Kranenburg: Christian Stade. 11 December 2022. Archived from the original(PDF) on 7 April 2023. Retrieved 11 June 2023.