A serious traffic jam exceeding 17 kilometers has formed on the A1 highway near Phalempin, Northern France, due to a collision between two trucks early on November 21. The accident occurred around 3:15 AM, blocking the right and middle lanes and causing delays of over 3 hours and 30 minutes for drivers heading toward Lille. Two individuals sustained minor injuries, with one requiring extraction from his cab by firefighters. The incident also affected traffic on the A21 around Dourges.