Heavy rain problems at the Südbahnhof: start construction work for drainage!

Heavy rain problems at the Südbahnhof: start construction work for drainage!

On January 20, 2025, extensive construction work begins in Mörfelder Landstrasse in Frankfurt to improve road drainage. These measures are urgently necessary because the Frankfurt Südbahnhof and neighboring areas are regularly flooded with heavy rain. In addition to the Mörfelder Landstrasse, the Südbahnhof underground and S-Bahn station are also affected.

The floods are due to the gradient of the street and inadequate drainage systems. In order to address these problems, the Amt for Straßenbau A 28 meter long "concrete-slit carnival". This gutter is connected to the sewer and is intended to enable a new derivation of rainwater.

goals of the construction measure

The construction work primarily aims to reduce the flooding of extreme heavy rain events. These are typically characterized by rainfall of 15 liters per square meter in an hour or 20 liters in six hours. The highest warning level is reached from 40 liters per square meter in one hour, while in extreme cases, precipitation up to 200 liters are possible in a few hours.

In addition to installing the slit channel, the curb between house numbers 46 and 50 is raised, which is intended to further improve the derivation of rainwater. The entire construction period is scheduled until March 28, 2025 and brings with it some traffic changes.

traffic impairments and diversions

During the construction work there will be considerable traffic restrictions. The Mörfelder Landstraße is mutually controlled with a construction site lamp, and part of the large rabbit path becomes a one -way street towards Ossietzkystrasse. The diversions lead via Ossietzkystrasse and Grethenweg.

The bus stop Mörfelder Landstrasse/Südbahnhof is also laid, and the departure of line 45 is moved to the Mörfelder Landstrasse. However, pedestrians can continue to pass the construction site. In order to inform the citizens in good time, you refer to mainziel.de

The challenges in heavy rain events are not new; According to a Study of the German City Day due to climate change. This requires a more intensive examination of the flooding of flooding from the municipalities. The experiences and measures from Frankfurt are part of a broader approach in which cities have to learn to give water in urban rooms more space and to develop adequate strategies for action. Together, cities, business and citizens have to act in order to become more resilient over such extreme weather events.