Lift system comprising a plurality of cars, a shaft system enabling a circulation operation of the cars, at least one drive system, and a safety system having a plurality of safety nodes, which is designed to transfer the lift system into a safe operating state when an operating state of the lift system deviating from the normal operation is established, wherein the cars, the shaft system and the at least one drive system each form a functional unit in this, and wherein the at least one drive system is designed operable in a shaft section, such that the cars can travel independently of each other in defined section of the shaft system, each of the defined section being a functional unit of the drive system, characterized in that at least one of the safety nodes is assigned to each one of the functional units (2, 4, 8, 9), and wherein the safety nodes are each connected to at least one of the other safety nodes via at least one interface for transmission of data, the safety nodes each comprise at least one sensor (12, 15, 19) for detecting an operating parameter of the corresponding assigned functional unit (2, 4, 8, 9) and the safety nodes each comprise at least one control unit, which is designed to evaluate the operating parameter detected by the at least one sensor (12, 15, 19) of the respective safety node and to make a determination regarding an operating state deviating from the normal operation based on the data transmitted from the at least one other safety node. a plurality of cars, a shaft system enabling a circulation operation of the cars, at least one drive system, and a safety system having a plurality of safety nodes, which is designed to transfer the lift system into a safe operating state when an operating state of the lift system deviating from the normal operation is established, wherein the cars, the shaft system and the at least one drive system each form a functional unit in this, and wherein the at least one drive system is designed operable in a shaft section, such that the cars can travel independently of each other in defined section of the shaft system, each of the defined section being a functional unit of the drive system, characterized in that at least one of the safety nodes is assigned to each one of the functional units (2, 4, 8, 9), and wherein the safety nodes are each connected to at least one of the other safety nodes via at least one interface for transmission of data, the safety nodes each comprise at least one sensor (12, 15, 19) for detecting an operating parameter of the corresponding assigned functional unit (2, 4, 8, 9) and the safety nodes each comprise at least one control unit, which is designed to evaluate the operating parameter detected by the at least one sensor (12, 15, 19) of the respective safety node and to make a determination regarding an operating state deviating from the normal operation based on the data transmitted from the at least one other safety node. which is designed to evaluate the operating parameter detected by the at least one sensor (12, 15, 19) of the respective safety node and to make a determination regarding an operating state deviating from the normal operation based on the data transmitted from the at least one other safety node.