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We propose a novelty system to manage Traffic Priority at city intersections by means of our Mobility-Hub (M-Hub), a next-generation Traffic Light Controller that leverages the power of cloud-edge continuum computing, Digital Twin, and Cellular Vehicle-to-Everything (C-V2X) technologies to transform traffic management into a dynamic and intelligent system. M-Hub acts as an open-edge computing platform, enabling real-time data processing, 3rd parties containerized applications and decision-making at the network edge. COGNIT is an open-source cloud-edge continuum framework, that offers many improvements for next-generation Intelligent Transportation Systems (ITS). The continuum allows for the integration of diverse data sources, including vehicular data from C-V2X communication, real-time traffic information from detectors or cameras, and other environmental data, to seamlessly generate Digital Twins in the ACISA smart mobility platform, SATURNO. By combining this data with advanced traffic optimization algorithms implemented in the COGNIT infrastructure, M-Hub can dynamically adjust traffic signal timings, optimize traffic flow, and reduce congestion with optimal use of computational resources. M-Hub has the potential to revolutionize urban mobility, enhancing safety, improving efficiency, and reducing environmental impact.