Construction site chaos in Schleswig-Holstein: This is how you are affected today!
Current construction sites and traffic closures in Schleswig-Holstein on July 1, 2025: Information about the traffic situation on the go.

Construction site chaos in Schleswig-Holstein: This is how you are affected today!
The road infrastructure in Schleswig-Holstein is currently in the spotlight, as numerous construction sites and road closures characterize the region. This applies to motorways as well as federal and country roads. An overview of the current construction work could be of interest to many drivers.
The total length of the road network in Schleswig-Holstein is an impressive 9,874.557 kilometers. How kn online reported, the following motorways and federal highways are particularly affected: the A1, A7, A20, A21, A23 as well as various federal highways such as the B76, B202 and B404.
Current construction sites on the highways
The construction sites on the A1 will last until the end of 2025 and affect the route between Eutin and Scharbeutz. There is also a two-lane traffic system in the area of the Bargteheide motorway junction, which will last until December 2025. The road renovation between Sereetz and Pansdorf will also take until the end of 2025.
The Klein Barkau Ost junction on the A21 is closed until August 2025. In addition, both sides of the roadway between Leezen and Bad Oldesloe-Nord are due to be renewed by December 2026. Anyone traveling on the A23 should be prepared for several closures between Pinneberg-Nord and Halstenbek/Rellingen until the end of July 2025. The on- and off-ramps in Heide-West towards Hamburg are also affected until July 25, 2025.
Difficulties on federal and state highways
The B75 federal highway is also in trouble, as work is underway to renew the road between Stubbendorf and Hamberge until September 5, 2025. The B432 will be completely closed until July 11, 2025. In addition, a full closure near Ahrensbök on the B404 is expected until August 2025.
In the area of the L49 highway, work will be carried out on a new bridge over the A7 by September 1, 2025. At Dreggers, the L83 will be closed until December 18, 2025 for the construction of a new bridge.
Smaller district roads are also partially affected; The K12 in the Herrenmühle area will be completely closed until the beginning of October 2026. A look at the specific closures is essential for commuters and travelers, says the information from verkehrslage.de, especially if you want to avoid delays caused by construction sites and possible detours.
Traffic forecasts and real-time information
The online services like ADAC Maps provide real-time information on traffic flow and indicate short-term disruptions. The tool is particularly useful for those who want to keep an eye on the streets in advance using route planning.
Overall, the traffic situation in Schleswig-Holstein is heavily influenced by these construction sites and closures. Drivers should plan their routes well and regularly check the latest information from road construction sites to avoid unpleasant surprises.