Maintenance work in the Fahrlachtunnel: closures and diversions are pending!

Maintenance work in the Fahrlachtunnel: closures and diversions are pending!

Waiting again! From October 26th to November 9th, 2025, extensive maintenance work will take place in Mannheim's Fahrlachtunnel, which will have a significant impact on traffic volumes in the region. The tunnel will not be completely closed, but road users should be prepared for some restrictions. Loud Rhine Palatinate During this period, both tunnel tubes will be alternately closed, which means that traffic will be routed through the open tube in one lane.

It is particularly important that the tunnel is completely closed from Friday, October 31st, 6 p.m. to Sunday, November 2nd. During this period, comprehensive functional tests will be carried out on the measurement and ventilation technology as well as on the tunnel control system to ensure the operational safety of the tunnel. This test phase is crucial to ensure the long-term safety of pedestrians in the tunnel, as well mannheim24 emphasized.

Details about the maintenance work

The maintenance work includes not only the lighting, but also the ventilation and drainage systems as well as necessary cleaning work. Loud BMV, maintenance measures are essential to increase road safety and meet modern safety standards. These measures are part of a comprehensive program to continuously adapt existing tunnels to the latest safety guidelines.

After the complete closure, the south tube will also be closed for maintenance work from November 2nd to 9th. Here traffic is then routed in one lane through the north tube. The city of Mannheim asks all road users to be patient and to provide timely information about upcoming closures and diversions, which will be signposted throughout working hours.

Safety in the tunnel

The maintenance work is not only a chore, it also actively contributes to the safety of all tunnel users. Accidents in tunnels, particularly fires, have shown the importance of regular maintenance in the past. Therefore, the safety requirements for road tunnels have been continuously reviewed and improved since the turn of the millennium. These measures ensure that tunnels in Germany achieve a high level of safety at an international level.

The Federal Ministry of Transport and Digital Infrastructure has also developed a leaflet that provides information on how users should behave in emergencies. If you would like to find out more about safety devices in the tunnel, you can find further information on the ministry's websites.

For everyone who has to drive through the Fahrlachtunnel: plan your time accordingly and keep yourself up to date on the latest developments! Further information can also be found on the city's homepage at www.mannheim.de under the keyword “Construction measures and traffic restrictions”.