Sensory observation message and CAM extensions for VRU safety

In the past, Intelligent Transport Systems (ITS) have been successful primarily through equipment of the vehicle and infrastructure. However, for the safety aspect, the vulnerable road user (VRU) still has a 68% share in traffic fatalities. Therefore, more attention should be given to ITS for VRU safety. In current Cooperative-ITS (C-ITS) systems, warnings can only be sent when there is a direct risk of a collision, in which case it can already be too late to prevent. Sharing of infrastructure sensor information and adding destination information to the CAM can be used for preventive measures. This paper shows scenarios in which a Sensory Observation Message (SOM) and destination information in the CAM may increase safety. It will also analyse user acceptance and willingness to provide destination information. Lastly, it will show SOM message and CAM extension design with a technical analysis to link to other ETSI standardized messages like MAP