Jena, 31.07.2026 – Motorists on the A4 should expect traffic disruptions at the Hermsdorfer Kreuz next week. Due to inspection work, the connection from the A4 coming from the direction of Dresden to the A9 in the direction of Berlin will be closed.
- Period: Monday, August 3, to Friday, August 7, 2026
- Affected route: A4 (from Dresden) to A9 (direction Berlin)
- Diversion: Via the Hermsdorf-Ost junction
Details on the diversion
The closure requires a specific route adjustment for affected commuters. To reach the A9 in the direction of Berlin, road users should follow this diversion:
- Stay on the A4 in the direction of Dresden.
- Exit the motorway at the Hermsdorf-Ost junction.
- Turn around at the junction.
- Then proceed on the A4 in the direction of Frankfurt am Main to merge onto the A9 in the direction of Berlin from there.
The current construction site report also provides an overview of further traffic restrictions in the Jena city area.
Recommended traffic jam alerts for commuters
With these apps and devices, you can keep track of construction sites and traffic jams on the A4 and A9 at all times.
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Source:
Hermsdorfer Kreuz: Diversion towards Berlin
Transparency note: This article was created automatically, editorially reviewed, and expanded with AI support.