Connected vehicles refer to vehicles that can communicate with each other, as well as with infrastructure such as traffic signals and road signs, through wireless communication technologies. This allows vehicles to share real-time information about their speed, location, and intended maneuvers, enabling safer and more efficient driving. Research in this area focuses on developing technologies that allow vehicles to communicate effectively with each other and with infrastructure, as well as on exploring the potential benefits of connected vehicles in terms of reducing traffic congestion, improving road safety, and reducing fuel consumption and emissions. Key areas of research include developing communication protocols, designing intelligent transportation systems, and designing algorithms that allow vehicles to make decisions based on information received from other vehicles and infrastructure. Additionally, researchers are working on addressing challenges such as data privacy and cybersecurity concerns related to the use of connected vehicle technologies.