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Today’s life has been simplified by the advent of IoT technology. Smart Homes and Smart Cities tend to be the most frequent subject of study, on this field of science. This work is concentrated on the design and implementation of an IoT network, over smart roads. Car accidents’ rate gets higher over the years. A smart road network might offer very useful data for the construction of a real-time accident and traffic preventer. Hardware implementations are also included. The architecture, security and privacy preservation of the network are highlighted. Cryptography could be the tool to the creation of a safe and useful IoT application. A concluding solution to the Road Tragedy phenomenon may be offered by the Academic study and research. Safe and effective smart networks’ research and development may simplify daily life and eliminate fundamental issues. All these solutions may be applied to the human society, as very useful and trustworthy approaches.