From Friday, 12 September at 10 p.m. until Monday, 22 September at 5 a.m., the A4 motorway will be closed between the Cologne-West and Cologne-Eifeltor junctions in the direction of Olpe. In addition, only one lane will be open between Köln-Eifeltor and Köln-Süd. Passengers arriving and departing via the A4 motorway are advised to check the traffic situation in advance and allow extra time for their journey.