German rail operator Deutsche Bahn is preparing for potential service disruptions due to the current heatwave. High temperatures can cause tracks to expand and buckle, leading to speed restrictions and cancellations. Despite concerns, the company reports positive developments regarding mitigation efforts. Specific details of these efforts were not provided in the source text. Passengers should anticipate possible delays and are advised to stay informed about their travel plans. The Bahn is actively monitoring the situation and implementing measures to minimize the impact of the heat on rail operations.