A4 blocked! Traffic redirected due to construction work on Sunday

Verkehrsbehinderungen auf der A4 am 22. Juni 2025 wegen Höchstspannungsarbeiten. Umleitungen sind eingerichtet.
Traffic disruptions on the A4 on June 22, 2025 due to maximum voltage work. Detours are set up. (Symbolbild/NAGW)

A4 blocked! Traffic redirected due to construction work on Sunday

On Sunday, June 22nd, the A4 between Merzenich and Düren will be closed for several hours. The closure begins at 6 a.m. and is expected to continue until 11 a.m. The reason for this is necessary work on a maximum voltage line by the network operator Amprion. In these work, which are important as part of the energy transition in Germany, innovative techniques are used, including a helicopter for the installation of bundle spacing holders. For many road users, this means unexpected diversion.

The road users are diverted during the blocking via the B56, the L12 and the L264. Due to the early announcement of the traffic disabilities, drivers can adjust to the situation in good time and plan alternative routes. Unnecessary stress on the highway can be avoided in this way.

background to the work

The work on the maximum voltage line is part of a comprehensive expansion of the transmission network in Germany. Amprion, the company that operates the management, is currently investing 36.4 billion euros in the expansion and conversion of power lines over a length of 9,300 kilometers. Modern technologies such as maximum voltage-voltage current transmission (HGÜ) are used to master the growing requirements in the power grid. This is particularly relevant because the energy transition in Germany and the European electricity trade require an increasing amount of electricity from producer to consumer.

The system management in Brauweiler near Cologne plays a crucial role. It monitors the entire network to ensure that electricity production is in line with consumption. With around 165 switching and transforming systems, Amprion ensures that the transmission network works efficiently and can be quickly remedied. A contact telephone number is available for emergencies: +49 800 490-4000.

The importance of the maximum voltage network

The maximum voltage network of Amprion acts as an essential part of the German and European power grid. It is designed to transport tensions between 220 and 380 kilovolt, which is of great importance for energy supply. The interactive online map of the VDE FNN not only shows the existing and planned high-voltage lines, but also substation and power plants in Germany. This gives the citizens a comprehensive overview of the infrastructure, which bundles and secures our electricity network. If you want to learn more about these cards, you can read the information directly on the [VDE website] (https://www.vde.com/de/fnn/dokumente/karte-deutsches-hoechspannungs network).

The planned work on June 22 not only underline the need for new technologies, but also the continuous efforts to modernize and safety our power grid. Drivers and residents are well advised to adapt to the upcoming changes.

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OrtMerzenich, Deutschland
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