The M6 motorway has been closed near Warrington following a serious multi-vehicle collision on Monday evening. National Highways confirmed that the northbound carriageway is shut between junctions 21 and 21A due to the incident. The crash, involving two cars, was reported to Cheshire police at approximately 17:30. Emergency services, including police, fire, and ambulance teams, were dispatched to the scene and are currently in attendance. Motorists are facing significant delays, with traffic congestion extending back to the M56 turnoff. The National Highways traffic map indicates that the situation is worsening, with tailbacks expected to increase as the closure remains in effect. As emergency services work to clear the scene, drivers are advised to seek alternative routes. The ongoing situation has led to gridlocked traffic and long delays for those travelling northbound on the M6. National Highways has been providing updates on the situation, stating, "The #M6 is CLOSED northbound between J21 and J21A near #Warrington due to a multi-vehicle collision. Emergency services are on scene. More info to follow." The public is encouraged to stay informed through live updates as the situation develops. Traffic chaos continues to unfold on the M6, and motorists are urged to exercise caution and patience as they navigate the affected areas.