"Einsatz Fahrzeugtypen U-Bahn". Berliner Linienchronik (in German). Berlin: Fabian Sawall. 1 January 2023. Archived from the original(PDF) on 11 June 2023. Retrieved 11 June 2023.
"Lückenschluss U5" [Closing the U5 gap] (in German). Berliner Verkehrsbetriebe. Retrieved 2011-05-14.
gleisplanweb.eu
"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.
"Einsatz Fahrzeugtypen U-Bahn". Berliner Linienchronik (in German). Berlin: Fabian Sawall. 1 January 2023. Archived from the original(PDF) on 11 June 2023. Retrieved 11 June 2023.
"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.