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C-Roads: Elements of C-ITS Service Evaluation to Reach Interoperability in Europe within a Wide Stakeholder Network: Validation Steps and Comparative Elements Used in a Living Lab Environment in Austria

Validation of C-ITS applications is currently viewed differently in every country in Europe and in other regions of the world. The Elements of C-ITS service which are agreed between infrastructure operators/authorities and vehicle manufacturers for I2V and V2I C-ITS have not only to focus on functionality within a single pilot but also have to be interoperable with other pilots of public and private entities. A major concern of the evaluation process is the interoperability of the services in the different countries. The C-Roads platform in Europe works for interoperable C-ITS in Europe. One of the aspects discussed to achieve interoperability is the evaluation of C-ITS services in the single country to achieve interoperable C-ITS for Europe. Austria is one of the countries with an existing active operating pilot site for C-ITS and is involved in C-Roads, and the experience of C-ITS validation is used as one contribution for this EU wide process. After looking at the different messages and services used in C-ITS, this paper describes the different steps undertaken in the living lab environment in Vienna to ensure interoperability and system functionality in a wide network of independent stakeholders as participants. The open aspects for the current evaluation of C-ITS interoperability and the method are currently discussed and defined within C-Roads platform.