# Automated Evaluation of C-ITS Message Content for Enhanced Compliance and Reliability
Finally, [PERSON] et al. [13] presented a classic procedure for evaluating the maximum distance between transmitter and receiver and packet delay in V2V and V2I communication systems. The implementation of Cooperative Intelligent Transport Systems (C-ITSs) has been scrutinized in studies examining its effects on traffic efficiency and safety. [PERSON] et al. [4] evaluated the impacts of C-ITSs during lane closures on highways, finding that C-ITS messages can significantly improve traffic flow and reduce delays. In a similar vein, [PERSON] et al. [14] reported measurable benefits in vehicle travel time and reduced gas emissions from V2I communications. Furthermore, [PERSON] et al. [3] explored the deployment of C-ITSs and automated vehicles within the C-Roads platform, assessing their impacts on transportation infrastructure and defining future directions for their development and implementation. Their study emphasizes the effectiveness of these systems in enhancing cooperative and automated mobility, which could be evaluated through automatic analysis methodologies. Additionally, [PERSON] et al. [15] tested the adaptability of connected vehicles in platoon driving mode, defining criteria such as traffic efficiency, safety, and driver comfort. Their findings indicate that platooning can contribute positively to all these criteria, further supporting the potential of C-ITS in improving overall transportation systems. The challenges posed by implementing cooperative systems have also been addressed in the literature. For example, [PERSON] [16] outlined the benefits of cooperative systems while describing testing methodologies using the sim TD tool. [PERSON] et al. [17] explore the obstacles faced in China, providing valuable insights into the parameters required for V2X communication and detailing the technological comparisons essential for addressing these challenges. [PERSON] et al. [18] contribute to this discussion by investigating key parameters such as the packet error rate, signal-to-noise ratio, range, and latency, along with a proposed testing methodology that includes communication logging during vehicle-to-infrastructure interactions. [PERSON] et al. [19] focused on maintaining reliable V2X communication within tunnels, highlighting the limitations of Global Navigation Satellite System (GNSS) signals and proposing alternative approaches for enhancing traffic safety. Studies comparing different communication technologies, such as [PERSON] et al. [20] and [PERSON] et al. [21], provide insights into the performance metrics of DSRC and LTE technologies. These comparisons highlight the variations in packet delivery success rates depending on environmental factors and the number of vehicles. Additionally, [PERSON] et al. [22] examine the testing of LTE-V and 802.11p communication technologies specifically in intersection areas. Their study contributes to understanding how these technologies perform under conditions relevant to real-world traffic scenarios, further enhancing the comparative analysis of V2X communication systems. From the conducted research, it can be seen that most of the articles focus on the actual technical design of cooperative systems and their parameters such as speed, number of packets, delay, etc. Some articles focus at least partially on cooperative messages, but not in detail, only at a general level (number of received, discarded messages). Thus, the authors are not aware of any studies that have addressed content validation of cooperative messages, both in terms of conformance to standards and in terms of testing the content of messages in the field.