U2 (Hamburg U-Bahn) · Versions URL: https://knowledge.ivjn.us/en/concepts/ubahn-hamburg-u2/versions.html The U2 is a 24.5 km long line of the Hamburg U-Bahn with 25 stations; its first section was opened on 21 October 1913, and it runs from Niendorf Nord via the city centre to Mümmelmannsberg. - rev 5 (2026-10-28) : 当前版本 https://knowledge.ivjn.us/en/concepts/ubahn-hamburg-u2/at/5.html Page 1 / 1, 1 total