TRAFFIC CONTROL APPARATUS, TRAFFIC CONTROL SYSTEM, AND TRAFFIC CONTROL METHOD

A traffic control apparatus includes state specifying means for specifying a state of a vehicle based on peripheral information about the vehicle received from the vehicle that can be autonomously driven, state comparison means for comparing a first specified vehicle state, which is a state of the vehicle specified by the state specifying means, with a second specified vehicle state, which is the state of the vehicle received from the vehicle and specified by the vehicle based on the peripheral information, to see whether there is a difference between the first specified vehicle state and the second specified vehicle state, and notification means for outputting a message indicating the difference when there is the difference between the first specified vehicle state and the second specified vehicle state.