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In this paper, we propose STCM, a context-aware secure traffic control model to manage competing traffic flows at a given intersection by using secure messages with real-time traffic information. The vehicle is modeled as a virtual sensor which reports the traffic state, such as its speed and location, to a traffic light controller through a secure and computationally lightweight protocol. During the reporting process, a vehicle's identity and location are kept anonymous to any other vehicle indoi:10.1155/2018/4251701 fatcat:qlpc5wbllrelbb3k6hzedo7ay4