Traffic chaos on September 2nd: A3 near Mülheim closed to one lane!
Traffic disruptions in Mülheim: On September 2, 2025 due to road construction work on the A3 between Oberhausen and Cologne.

Traffic chaos on September 2nd: A3 near Mülheim closed to one lane!
Drivers in North Rhine-Westphalia will have to prepare for traffic disruptions on the A3 tomorrow. Urgent road construction work will take place on September 2nd, 2025 from 10:00 a.m. to 1:00 p.m., particularly affecting the route between Oberhausen and Cologne. The reason for the work is the replacement of protective railings, which no longer guarantee the required safety standard due to wear and tear. According to News.de, it will become one one-sided closure of a left lane, which narrows the road to two lanes.
Drivers should prepare for slow traffic and possible delays between 10 a.m. and 1 p.m. The impact on traffic should not be underestimated, especially on a working day. Current traffic jam reports on the A3 already confirm that traffic between Duisburg-Wedau and Kreuz Kaiserberg is severely affected. As stau.info reported today, there are numerous traffic jams on the A3, which could also affect the work planned for tomorrow.
Traffic management and congestion warning systems
Traffic control systems are used to control traffic safely and efficiently even during the construction phase. These facilities transmit important information via display boards that indicate traffic jams and danger spots. The use of dynamic traffic signs makes it possible to make speed adjustments depending on traffic volume and to show alternative routes so that traffic flow is optimized, as explained on the Baden-Württemberg page.
This system of mobile traffic jam warning systems is particularly standardized at larger construction sites and at accident hotspots on motorways. This means that drivers are warned in good time so that they can prepare for possible traffic disruptions. As can be seen, North Rhine-Westphalia is also actively working to improve road safety.
So if you're traveling on the A3 tomorrow, you should plan a little more time despite all the warnings. It is important to remain careful and patient because safety on the roads is a top priority. We will keep you updated as the situation develops!