Jena: Traffic restrictions due to bicycle demonstration on Tuesday
Due to a registered demonstration by the ‘Critical Mass’ initiative, traffic disruptions are expected in Jena’s city center on Tuesday, September 1, 2026.
Traffic
Jena Construction Report: New Closures and Major Projects
The city of Jena has published its construction report for the 36th calendar week (August 31 to September 6, 2026). Road users and residents should prepare for new restrictions and ongoing major projects.
A4: Lobdeburg-Tunnel in Jena partially closed
Jena, August 26, 2026 – Motorists on the A4 motorway should prepare for traffic disruptions. Routine maintenance work is taking place in the Lobdeburg-Tunnel, leading to partial lane closures.
Jena: Track construction at Paradiesbrücke delayed
Jena, 21.08.2026 – Ongoing track construction work at the Paradiesbrücke in Jena cannot be completed as scheduled. The reason for this is newly discovered damage to the underlying structure, which necessitates a multi-week extension of the construction period.
Construction Sites in Jena: New Closures from Calendar Week 35
Jena, August 21, 2026 – The Jena municipal administration has announced new traffic restrictions for the 35th calendar week (August 24 to August 30, 2026), particularly affecting Camburger Straße and Rautal. Simultaneously, several renovation projects have been successfully completed.
Jena in Action: Kick-off with a focus on safe routes to school
On the first day of school after the summer break, Jena’s Deputy Mayor Benjamin Koppe and the police monitored school routes near the Lobdeburgschule, marking the start of the new ‘Jena in Action’ initiative.
OBI-Tunnel Jena: Provisional passage from August 17
Starting Monday, August 17, 2026, the pedestrian connection through the OBI-Tunnel will be reopened as a provisional path.
Jena: Changed Right-of-Way in Mühltal
The city of Jena has adjusted the traffic regulations at the intersection of Mühltal and Münchenrodaer Grund to improve road safety following an analysis of accident statistics.
Hermsdorfer Kreuz: Closure and Diversion from August 3rd
Jena, July 31, 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.
Jena: Construction Site Report for the 32nd Calendar Week of 2026
The City of Jena has published its construction site report for the 32nd calendar week (August 3 to August 9, 2026). New full road closures are being implemented across the city, while several long-term major projects continue to affect key commuter routes.