With a lot of advancement in technology, there is an improvement in transportation so as to make the humans comfortable with driving. The idea behind this is the development of Autonomous cars also called as Self driving cars in which driving is similar to humans. The challenges faced in the Autonomous cars are to provide cooperative driving among themselves and collision avoidance between neighbor cars. The Autonomous cars communicate and gather the road information from the Road Side Units (RSU) that is placed along the road. Hence in this paper an efficient data dissemination model is proposed such that instead of making each and every car to communicate with the RSU’s which increases the travel time the autonomous cars moving on the road are formed as clusters based on certain distance limit and the car which is nearer to the RSU is identified as Cluster head. The Cluster head gathers the information from RSU and relays the information to all the other cars in its cluster. As the road information is broadcasted to all the other cars by the cluster head data dissemination becomes faster and travel time of the vehicles can also be reduced to a greater extent. The Cluster head apart from relaying the information of RSU’s can also transmit the information of object detection and traffic signal information to other cars in the cluster.
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