Method for controlling a train within a train control system, and train control system

The invention relates to a method for controlling a train within a train control system, comprising the following method steps - creating an accident model (AccM), wherein accident classes and accident influence factors are determined; - determining a route reservation (RES) specific to the train, comprising a route reservation region and a route profile; - sending a request (A) for releasing the determined route reservation (RES) to a risk analysis device (MAXd); - carrying out a real-time risk analysis for the route reservation (RES) by means of the risk analysis device (MAXd) for at least some of the determined different accident classes, wherein a risk factor (RF) for the route reservation (RES) is determined, and as an outcome it is determined whether the risk factor (RF) is acceptable; - releasing or rejecting the route reservation (RES) depending on the outcome of the risk analysis. The planning, configuration/project planning and approval can thus be simplified and the route utilization can be optimized at a high safety level (safety integrity level SIL4).