A toll advertisement message is received, via a V2X transceiver of a vehicle, defining a metered zone in which tolls are charged. Input data indicative of a current position of the vehicle with respect to the metered zone is determined. A state machine is utilized to determine tolled roadway usage of the vehicle according to the metered zone and the current position. A toll usage message indicative of the tolled roadway usage is provided via the V2X transceiver.