U4 (Hamburg U-Bahn)

The U4 is a line of the Hamburg U-Bahn, which opened in 2012, serving 12 stations. It is the shortest line of the network, with a length of 11.9 kilometres (7.39 mi) and from Jungfernstieg to Billstedt it shares tracks with the U2.[1][2][3]

U4
Overview
Stations12
Service
TypeRapid transit
SystemHamburg U-Bahn
Operator(s)Hamburger Hochbahn
History
Opened2012
Technical
Line length11.9 km (7.4 mi)
Track gauge4 ft 8 1⁄2 in (1,435 mm)
Route map

  
 
to Mümmelmannsberg U 2
Billstedt
Legienstraße
Horner Rennbahn
 Rauhes Haus
 Hammer Kirche
Burgstraße
 Berliner Tor
Hauptbahnhof Nord
Jungfernstieg
 
 
to Niendorf Nord U 2
Überseequartier
 HafenCity Universität
Elbbrücken
¹  shares tracks with   

Route

The U4 is the newest line of the Hamburg U-Bahn and the first line that is to form as a branch of an older, existing line. It shares the U2's tracks from Billstedt to the major transfer station Jungfernstieg, located in the city center, branching off 165 meters before the station and stopping at the outer tracks of the four-platform station. It then traverses under the Neustadt in a far-swinging 180° bend and reaches the newly built Überseequartier station in HafenCity after about 3 kilometers. The following station, HafenCity Universität lies about 650 meters to the east in the Elbtorquartier. In December 7, 2018, the line was extended 1.3 km eastward, to a new terminus at Elbbrücken, allowing for a future S-Bahn connection with lines S3/S31.[4]

The line runs almost entirely underground, only surfacing at Elbbrücken and Billstedt at both ends. There is also a short uncovered section east of Burgstraße.

Projected extensions

Elbbrücken

In January 2013, the government of Hamburg decided to build the U4 one more station to Elbbrücken. At Elbbrücken, the U4 will have connections to the Hamburg S-Bahn.[5] In April 2015, the construction works for the extension of the U4 started.[6][7] The new station at Elbbrücken opened on December 7, 2018.[4]

Eastern extension from Horner Rennbahn to Dannerallee

At Horner Rennbahn, the U4 is planned to branch off of the U2 and continue east under the Manshardtstraße. Two new stations are planned along this extension: Stoltenstraße, east of the existing bus stop with the same name, and Dannerallee, west of the bus station with the same name in the area of a local shopping center. Following the two stations, the construction of a two-track storage facility is also planned, which is to be built in such a way as to allow a later extension of the line towards Jenfeld. Overall, the extension to Dannerallee is expected to connect the households of around 13,000 people to the metro network. By 2030 the Hochbahn expects 13,600 daily passengers on the line.

  • Elbbrücken
  • HafenCity Universität
  • Überseequartier
  • Jungfernstieg
  • Billstedt (shared with U2)

References
  1. T Turner (August 24, 2015). Hamburg Travel Guide 2015: Have an Adventure!. T Turner. pp. 21–. GGKEY:AFQH4H7ZEJG.
  2. DK Eyewitness Travel Guide: Hamburg. Dorling Kindersley Limited. April 1, 2014. pp. 238–. ISBN 978-1-4093-5137-5.
  3. Ralf Heinsohn (October 2, 2013). Schnellbahnen in Hamburg: Die Geschichte von S-Bahn und U-Bahn, 1907–2007 (in German). Books on Demand. pp. 155–. ISBN 978-3-7322-5204-6.
  4. "U4-Verlängerung zu den Elbbrücken" [U4 extension to Elbbrücken] (in German). Hamburger Hochbahn AG. May 22, 2018. Retrieved October 10, 2018.
  5. "Verlängerung bis Elbbrücken beschlossen" auf hamburg.de
  6. "Feierlicher Spatenstich für die Verlängerung der U4" In: Hamburger Abendblatt vom 21. Juni 2013
  7. "Construction To Start For U4's New Station At the Elbe Bridges"


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