ISO TS 5255-1:2022 pdf download – Intelligent transport systems — Low- speed automated driving system (LSADS) service — Part 1: Role and functional model. 7 Role and functional model 7.1 Objective This clause describes a generic role and functional model for the provision of ITS service applications for LSADS services. It explains the general concept of role and functional model operations. It also provides a definition for the role and functional model and the elaboration of the model at a conceptual level. 7.2 National variations The definition of what comprises an ITS service application is an issue for national decision...