U4 (Hamburg U-Bahn) URL: https://knowledge.ivjn.us/en/concepts/ubahn-hamburg-u4.html At 11.9 km in length and with 12 stations, the U4 is the shortest and youngest line of the Hamburg U-Bahn; it was opened in 2012 and runs from Elbbrücken via Jungfernstieg and Hauptbahnhof Nord to Billstedt. ## Overview Line U4 is the youngest and, at 11.9 kilometres and 12 stations, the shortest line of the Hamburg U-Bahn. It runs from Elbbrücken via HafenCity and the city centre (Jungfernstieg, Hauptbahnhof Nord) to Billstedt, where it shares the tracks of the U2 between Jungfernstieg and Billstedt. The line was opened on 29 November 2012 and extended by one station to Elbbrücken on 7 December 2018. Its recognition colour is turquoise. ## Operator The operator is the [Hamburger Hochbahn AG](https://knowledge.ivjn.us/en/organizations/hamburger-hochbahn.html). ## History The U4 was opened in 2012 as the youngest line of the network between Billstedt and HafenCity Universität and is the first line to be established as a branch of an existing line; between Jungfernstieg and Billstedt it shares the tracks with the U2. From Jungfernstieg, a dedicated route leads in a wide 180-degree arc across the Neustadt to the Überseequartier opened in 2012 and on to HafenCity Universität. On 7 December 2018 the line was extended by 1.3 kilometres to the new terminus Elbbrücken, where a connection to the S-Bahn (S3/S5) will be established in the future. ## Stations Stations in operating direction (from Elbbrücken to Billstedt): - Elbbrücken - HafenCity Universität - Überseequartier - Jungfernstieg - Hauptbahnhof Nord - Berliner Tor - Burgstraße - Hammer Kirche - Rauhes Haus - Horner Rennbahn - Legienstraße - Billstedt Updated: 2026-10-28 Tags: - 地铁 https://knowledge.ivjn.us/en/tags/metro.html Mentioned in: - Hamburg (Free and Hanseatic City of Hamburg) https://knowledge.ivjn.us/en/places/de-hamburg.html - Hamburg Hauptbahnhof https://knowledge.ivjn.us/en/places/de-hamburg-hbf.html - Jungfernstieg station https://knowledge.ivjn.us/en/places/de-jungfernstieg.html Sources: - U-Bahn-Linie U4 (Hamburg) — Wikipedia https://de.wikipedia.org/wiki/U-Bahn-Linie_U4_(Hamburg) Abschnitte Verlauf und Stationen; abgerufen 2026-10-28