Core Insights - The Riyadh Metro is a comprehensive transportation system that integrates metro, buses, private vehicles, and walking, officially launched on December 1, 2022, with six lines totaling 176 kilometers and 85 stations, capable of accommodating up to 3.6 million passengers [3][4] Group 1: Infrastructure and Design - The Riyadh Metro is the world's longest automated transportation system, featuring advanced technology and user-friendly designs, such as energy-efficient cooling systems powered by renewable energy [3][4] - The design of the stations, including the Abdullah King Financial District station, emphasizes aesthetics and energy conservation, with a unique wave-like structure and a white three-dimensional skeletal framework [4] Group 2: Population Growth and Urban Development - The population of Riyadh is projected to grow from 7.5 million to between 15 million and 20 million by 2030, driven by the Vision 2030 initiative, which aims to enhance employment and urban living conditions [3] - The metro system is expected to alleviate traffic congestion and significantly reduce greenhouse gas emissions, playing a crucial role in improving urban public transport efficiency [3] Group 3: Operational Efficiency and Security - Each metro station is equipped with a control room to monitor security and logistics, ensuring rapid response to any incidents, with a central control center capable of taking over operations if necessary [4] - The fare structure is designed to be user-friendly, charging 4 Saudi Riyals for two hours of travel regardless of distance, and allowing credit card payments for international visitors [4] Group 4: Future Expansion Plans - In response to the positive impact and high demand for public transport, Saudi Arabia is considering expanding the metro lines [5]