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Complete closure of the A559: Long diversions starting this weekend!
Current information on the full closure of the A559 in Cologne-Porz: Construction work on a new bridge from June 27th to 30th, 2025. Diversions set up.
Complete closure of the A559: Long diversions starting this weekend!
The anticipation of the long weekend is clouded for many drivers in the Cologne region. The A559 motorway will be completely closed from Friday evening, June 27th at 9pm until Monday morning, June 30th at 5am. These measures are necessary because work continues on the new bridge over the A559. According to current developments, the girders for the bridge superstructure are being assembled, so travelers have to be prepared for a diversion. WDR reports that ...
The closed sections include both the road in the direction of Cologne between the Cologne-Porz triangle and the Cologne-Gremberg intersection and the route in the direction of Bonn between the Cologne-Gremberg intersection and Gremberghoven. The connections from the A4 to the A559 to Bonn and from the A59 to the A559 to Cologne will also be closed, making the traffic situation even more difficult.
Diversions and alternatives
Wide-area diversions were put in place to maintain traffic flow. Drivers traveling towards Bonn should take the A3 to the Bonn-Siegburg intersection and then take the A560 to Bonn. For those who want to go to Cologne, take the A59 to the Heumar triangle and then continue on the A3 to Kreuz-Ost. Travelers heading towards Aachen are recommended to drive to the Köln-Ost junction and then turn onto the A4 to Olpe and head towards Aachen. These road changes are necessary because the old bridge was demolished in February 2024 after stress corrosion cracking was discovered.
In addition, the construction work is not just limited to this weekend. Construction will continue until August 22, 2025, according to previous reports. Stau.info reports on...
Traffic situation on the A559
Even before the announced full closure, there were several traffic jams and traffic disruptions on the A559 last week. Especially on June 26th, it was reported several times that reports of traffic jams and dangers were received between the Cologne-Gremberg intersection and Cologne-Gremberghoven. However, passers-by were able to prepare for the evacuation of accident scenes, which was carried out promptly.
In total, the German road network covers more than 830,000 kilometers and is therefore extremely extensive. Among the federal highways and their numerous bridges, the A559 plays an important role in the transport network, even if it has currently become a construction site. BMV informs about...
Drivers should get through this time with patience and planning. It is hoped that the work on the bridge will be completed on schedule so that the A559 can be used to its full extent again in autumn 2025.