Winter precipitation is causing significant traffic delays in the central and southern Netherlands. The ANWB reports heavy congestion during the evening rush hour due to hail and wet snow, with 550 kilometers of traffic jams reported. Despite initial expectations, the KNMI warns that slippery conditions may persist into the evening. Wind gusts and additional snow are forecasted, leading to further hazards on the roads. Travelers are advised to take caution as temperatures drop below zero overnight, increasing the risk of ice.