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All types of transportation systems may benefit from the advantages offered by the IoT. IoT solutions promise to make transportation systems more intelligent and better performing by improving safety, the efficiency of their journeys, the maintenance of vehicles and by offering more strategic traffic-management (Alcatel Lucent Enterprise 2018). Communication systems between vehicles and infrastructure (V2I) and communication systems between vehicles (V2V) enhance safety, efficiency and the performance of public and private transport. They also contribute to reducing congestion and improving space management. Drivers of connected cars can benefit from a large number of services such as navigation, real-time traffic and parking information, as well as the integration of smartphones with the dashboard and portable devices (International Electrotechnical Commission 2017). The revolutionizing of the transportation world by applying the IoT in the field of vehicular networks has been possible because of the use of sensor networks and applications for parking management, traffic management, etc. For example, smart roads use sensors to determine the number of cars in each lane and then manage traffic lights based on this information so as to minimize congestion. The effectiveness of this field of application of the IoT can be seen in the implementation of this transformative technology in different projects. For example, the ParkDC project, implemented by the Washington D.C. transport department, uses a surveillance system based on the IoT to alert drivers to parking spots that are available and to calculate the appropriate parking charges based on real-time demand (Njit 2018).