The U4 is a line of the

Hamburg U-Bahn The Hamburg U-Bahn is a rapid transit system serving the cities of Hamburg, Norderstedt and Ahrensburg in Germany. Although referred to by the term U-Bahn (the "U" commonly being understood as standing for "underground"), most of the system's ...

, which opened in 2012, serving 12 stations. It is the shortest line of the network, with a length of and from Jungfernstieg to Billstedt it shares tracks with the U2.

Route

The U4 is the newest line of the

and the first line that is to form as a branch of an older, existing line. It shares the U2's tracks from

Billstedt Billstedt () is a quarter in the borough Hamburg-Mitte, in the eastern part of Hamburg, Germany. In 2020, the population was 71,077, it was the second-most populous quarter. History Schifbeck, Öjendorf, Steinbeck and Schlem are the old settlemen ...

to the major transfer station

Jungfernstieg The Jungfernstieg () is an urban promenade in Hamburg, Germany. It is the city's foremost boulevard. Location Jungfernstieg mostly lies within the quarter of Neustadt; however at its easternmost it stretches as far as Hamburg-Altstadt. In to ...

, located in the city center, branching off 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 . The following station, HafenCity Universität lies about to the east in the Elbtorquartier. On 7 December 2018 the line was extended eastward, to a new terminus at Elbbrücken, allowing for a future

S-Bahn The S-Bahn is the name of hybrid urban- suburban rail systems serving a metropolitan region in German-speaking countries. Some of the larger S-Bahn systems provide service similar to rapid transit systems, while smaller ones often resemble co ...

connection with lines S3/S31. The line runs almost entirely underground, only surfacing at Elbbrücken and

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 The Hamburg S-Bahn is a suburban commuter railway network in the Hamburg Metropolitan Region. Together, the S-Bahn, the Hamburg U-Bahn, the AKN railway and the regional railway form the backbone of railway public transport in the city and the s ...

. In April 2015, the construction works for the extension of the U4 started."Construction To Start For U4's New Station At the Elbe Bridges"
/ref> The new station at Elbbrücken opened on 7 December 2018.

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 Jenfeld () is a quarter of Hamburg, Germany in the Wandsbek borough. Geography Jenfeld borders the quarters of Billstedt, Rahlstedt, Tonndorf, and Marienthal. It also borders the town Barsbüttel in Schleswig-Holstein Schleswig-Holstein (; ...

. 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.

Gallery

File:Elbbrücken U-Bahnhof 3267.jpg, Elbbrücken File:U4 HafenCity Universität (pink).JPG, HafenCity Universität File:U-Bahnhof Überseequartier Bahnsteig.jpg, Überseequartier File:Öffentliche Vorstellung des DT5.JPG, Jungfernstieg File:U-Bahnhof Billstedt 5.jpg, Billstedt (shared with U2)

References

External links

Hochbahn: U4
Hamburg U-Bahn lines Railway lines opened in 2012 2012 establishments in Germany {{Hamburg-UBahn-stub