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Vehicular Ad-hoc Network (VANET) has wide application in developed/developing nations, for the effective management of vehicular traffic, and inter vehicular communication. In vehicular communication, the data includes traffic alert and safety warning. In most of the previous research achieved better quality in VANET routing. In some research, the researchers also proposed the security model for the secure transmission of these data. Instead of giving importance to the security of these data, trust ability of data and data transmitter is essential in VANET communication. In this paper a new protocol called Virtual Trust-ability Data transmission (VTD) is proposed for the effective handling of VANET. In the proposed protocol, three stages are used in the first stage a virtual topology is crated using a simple clustering technique. Then in the second stage the trust ability of every node or vehicle is analysed. In the last stage, the data are transmitted via the trusted vehicle and remove the false data from the communication. Then the performance of the proposed VTD protocol is analysed based on packet failure rate, bandwidth utilization and network scalability. The proposed VTD provided 94% of packet delivery ratio with 6% of the average packet failure. Similarly, the other performance also improved as compared to the conventional technique. So, it is clearly proving that the proposed VTD protocol can become a better alternate for the trust aware routing in VANET.

VTD Protocol: A Cluster based Trust Model for Secure Communication in VANET