Building site chaos in Cologne: Calculated on A3 and A4 from July 4th!

Verkehrseinschränkungen in Köln-Merheim: Baustelle A4 vom 4. bis 5. Juli 2025, erhöhte Staugefahr auf A3 und A4.
Traffic restrictions in Cologne-Merheim: Construction site A4 from July 4th to 5th, 2025, increased the risk of traffic jams to A3 and A4. (Symbolbild/MK)

Building site chaos in Cologne: Calculated on A3 and A4 from July 4th!

From tomorrow, July 4, 2025, there will be noticeable traffic restrictions around Cologne on the A3 and A4 motorways. These are built in the area of ​​Cologne-Kalk, specifically between the Cologne-Heumar motorway junction and the Köln-Merheim junction. The street work begins at 7:00 p.m. and is expected to end on July 5 at 5:00 a.m. If you want to go to the streets early in the morning, you should keep the construction site in mind. Loud [news.de] (https://www.news.de/auto/858749356/verkehrsplandt-nw-koeln-zur-verkehrs-wegen-bauste-V ON-04-07-2025-05-07-2025-fabrication-in-traffic northern-Westphalia-stammer-in-lime-A3-A4/1/) If a lane renewal is planned, which means that two right lanes are blocked and traffic is narrowed on a lane.

These restrictions are not the only ones that affect the traffic Situation in Cologne. As reports traffic situation.de, there are several construction sites and bridge work on the A3 around Cologne. This work is also scheduled until the end of 2026 and lead to the traffic is led over the opposite lane. The area between the Hilden Cross and the Stinderhof rest area as well as the route between the Stindertal rest area and the Hilden Cross is particularly affected.

expected traffic jams and diversions

The probability of increased traffic, especially during peak times, is exceptionally high. If you don't want to be patient, you should look for alternatives or, if necessary, consider public transport. The dashboard of [autobahn.de] (https://www.autobahn.de/betrieb-verkehr/aktuelle- traffic situation) provides a current overview of the traffic situation, traffic jams and the number of construction sites on the highways. So you can quickly get an overview and adapt the route if necessary.

The traffic centers monitors permanently the situation on the motorways and have a coordinated strategies for action in advance in order to be able to react to unforeseen disorders. If you plan to drive from Cologne to other regions, you should have this in mind and also find out about possible detours.

summarized

  • Construction site: A4, ad Köln-Heumar (15)-AS Köln-Merheim (17), towards Olpe
  • period: July 4, 2025, 7:00 p.m. to July 5, 2025, 5:00 a.m.
  • road renewal: 2 right lanes blocked, traffic narrowed on a lane
  • Increased traffic volume: Stammfahrrahr in the area
Arrived with this information, drivers can plan better and confidently survive traffic in Cologne. It remains to be hoped that the work will pass quickly and that traffic will soon flow more smoothly again.

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