US Patent 10434935 Interactive external vehicle-user communication

Interactive external vehicle-user communication may include identifying operational environment information representing a current operational environment for an AV; identifying a target external user based on the current operational environment for the AV, the target external user is identified based on sensor information from a sensor of the AV; controlling the AV to output, for the target external user, a first semiotic representation of a control information of the AV related to the operational environment information; receiving an acknowledgement of the first semiotic representation from the target external user; and in response to the acknowledgement, controlling the AV to traverse the portion of the vehicle transportation network, such that controlling the AV to traverse the portion of the vehicle transportation network includes controlling the AV to output a second semiotic representation based on the acknowledgement from the target external user.