Traffic jams and closures: construction site chaos on Schleswig-Holstein's roads!
Current construction sites and road closures in Schleswig-Holstein on June 18, 2025: Traffic information and statistics at a glance.

Traffic jams and closures: construction site chaos on Schleswig-Holstein's roads!
The traffic situation in Schleswig-Holstein is currently challenging, with several construction sites and closures affecting the roadways. Anyone traveling on the state's roads today, June 18, 2025, must expect some restrictions. The overview of the various construction sites and closures is updated daily and includes both motorways and federal highways as well as country and district roads, such as kn online reported.
There are a number of closures for drivers on the A1: From June 20th, the south-Hamburg carriageway at the Bargteheide motorway junction will be completely closed for 46 hours. There will also be a closure between Neustadt-Pelzer Haken and Lensahn, which will apply from June 22nd to 24th from 8 p.m. to 5 a.m. in the morning. The two-lane traffic routing in the area of the Bargteheide motorway junction will also be maintained until December 2025, while renovation work between Sereetz and Pansdorf will also run until the end of the year.
Details about other construction sites
The A21 is also affected: the Klein Barkau Ost junction in the direction of Kiel will remain closed until August 2025. The renewal of the road on both sides between Leezen and Bad Oldesloe-Nord will also take until December 2026. Anyone who uses the A23 must expect several closures between Pinneberg-Nord and Halstenbek/Rellingen, which will remain in place from June 23rd to the end of July 2025. Particular attention is being paid to the construction site between Heide-South and Heide-West, which could also cause delays until July 2026.
In addition to the motorways, drivers on the federal highways also have to adapt to sometimes significant restrictions. The B75 will be impacted until September 5, 2025 due to roadway replacements, while the B206 will remain impacted until June 27, 2025. The B404 has a closure at the Klein Barkau Ost junction until August 2025, and at Ahrensbök the B432 will be fully closed until July 11, 2025.
Mobility data statistics
It also emphasizes how important mobility data is for planning and improving transport infrastructure forschungsinformationsysteme.de. They play a crucial role in developing targeted solutions to transport-related issues and support investments in infrastructure. Based on regular traffic counts and surveys, statistics can be compiled that serve as an important source of information for the federal, state and local governments.
With all of these construction sites and traffic disruptions, it is clear: the roads in Schleswig-Holstein currently require a high level of attention. Traffic information users should be warned that they must prepare for longer journey times and detours, especially in the coming weeks. It is important to drive informedly in order to get through the chaos of construction sites as unscathed as possible. Having a cell phone or the current traffic situation app at hand can be helpful.
Also from verkehrslage.de pointed out that the situation is monitored regularly in order to be optimally informed about current dangers and construction sites. The safety of road users remains the top priority in order to avoid accidents and traffic jams.